Cheatsheet on Manvendra Rajpoot https://blog.rajpoot.dev/tags/cheatsheet/ Recent content in Cheatsheet on Manvendra Rajpoot Manvendra Rajpoot https://blog.rajpoot.dev/img/personal/cover.png https://blog.rajpoot.dev/img/personal/cover.png Hugo en Manvendra Rajpoot Sun, 17 May 2026 17:50:46 +0530 SQLite Cheatsheet 01 — SQLite Basics https://blog.rajpoot.dev/cheatsheets/sqlite/01-basics-cheatsheet/ Sat, 30 May 2026 06:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlite/01-basics-cheatsheet/ SQLite basics — CLI, types, tables. ClickHouse Cheatsheet 01 — ClickHouse Basics https://blog.rajpoot.dev/cheatsheets/clickhouse/01-basics-cheatsheet/ Fri, 29 May 2026 06:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/clickhouse/01-basics-cheatsheet/ ClickHouse basics — install, MergeTree, queries. MongoDB Cheatsheet 01 — MongoDB Basics https://blog.rajpoot.dev/cheatsheets/mongodb/01-basics-cheatsheet/ Thu, 28 May 2026 06:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/mongodb/01-basics-cheatsheet/ MongoDB basics — install, mongosh, CRUD. Redis Cheatsheet 01 — Redis Basics https://blog.rajpoot.dev/cheatsheets/redis/01-basics-cheatsheet/ Wed, 27 May 2026 06:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/redis/01-basics-cheatsheet/ Redis basics — strings, keys, TTL, persistence. AI/LLM Cheatsheet 01 — LLM Basics https://blog.rajpoot.dev/cheatsheets/ai-llm/01-basics-cheatsheet/ Tue, 26 May 2026 06:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/ai-llm/01-basics-cheatsheet/ LLM basics — OpenAI, Anthropic, prompts, tokens, costs. Linux Cheatsheet 01 — Shell Basics https://blog.rajpoot.dev/cheatsheets/linux/01-shell-cheatsheet/ Mon, 25 May 2026 06:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/linux/01-shell-cheatsheet/ Linux shell basics — bash/zsh, navigation, redirects, pipes. Nginx Cheatsheet 01 — Nginx Basics https://blog.rajpoot.dev/cheatsheets/nginx/01-basics-cheatsheet/ Sun, 24 May 2026 06:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/nginx/01-basics-cheatsheet/ Nginx basics — install, config structure, server blocks, locations. Kubernetes Cheatsheet 01 — Kubernetes Basics https://blog.rajpoot.dev/cheatsheets/kubernetes/01-basics-cheatsheet/ Sat, 23 May 2026 06:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/kubernetes/01-basics-cheatsheet/ Kubernetes basics — pods, kubectl, contexts. Docker Cheatsheet 01 — Docker Basics https://blog.rajpoot.dev/cheatsheets/docker/01-basics-cheatsheet/ Fri, 22 May 2026 06:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/docker/01-basics-cheatsheet/ Docker basics cheatsheet — images, containers, common commands. Django Cheatsheet 01 — Django Basics https://blog.rajpoot.dev/cheatsheets/django/01-basics-cheatsheet/ Thu, 21 May 2026 06:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/django/01-basics-cheatsheet/ Django basics cheatsheet — project, apps, settings, URLs, views. Next.js Cheatsheet 01 — Next.js Basics https://blog.rajpoot.dev/cheatsheets/nextjs/01-basics-cheatsheet/ Wed, 20 May 2026 06:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/nextjs/01-basics-cheatsheet/ Next.js basics cheatsheet — App Router, pages, layouts, navigation. React Cheatsheet 01 — React Basics https://blog.rajpoot.dev/cheatsheets/react/01-basics-cheatsheet/ Tue, 19 May 2026 06:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/react/01-basics-cheatsheet/ React basics cheatsheet — components, JSX, props, state, rendering. TypeScript Cheatsheet 01 — TypeScript Basics https://blog.rajpoot.dev/cheatsheets/typescript/01-basics-cheatsheet/ Mon, 18 May 2026 06:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/typescript/01-basics-cheatsheet/ TypeScript basics cheatsheet — primitives, arrays, objects, functions, narrowing. Python Cheatsheet 01 — asyncio Essentials https://blog.rajpoot.dev/cheatsheets/python/01-asyncio-essentials-cheatsheet/ Sun, 17 May 2026 06:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/python/01-asyncio-essentials-cheatsheet/ asyncio essentials — event loop, tasks, gather, TaskGroup, timeouts. Integration Cheatsheet 01 — Full-Stack Project Skeleton https://blog.rajpoot.dev/cheatsheets/integrations/01-full-stack-skeleton-cheatsheet/ Sat, 16 May 2026 06:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/integrations/01-full-stack-skeleton-cheatsheet/ FastAPI + SQLAlchemy + Pydantic + Alembic project skeleton. Alembic Cheatsheet 01 — Setup and env.py https://blog.rajpoot.dev/cheatsheets/alembic/01-setup-cheatsheet/ Fri, 15 May 2026 06:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/alembic/01-setup-cheatsheet/ Alembic setup cheatsheet — init, env.py for sync/async, target_metadata. Pydantic Cheatsheet 01 — BaseModel Basics https://blog.rajpoot.dev/cheatsheets/pydantic/01-basemodel-cheatsheet/ Thu, 14 May 2026 06:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/pydantic/01-basemodel-cheatsheet/ Pydantic v2 BaseModel cheatsheet — definition, validation, serialization. SQLAlchemy + Postgres Cheatsheet 01 — asyncpg / psycopg Setup https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/01-asyncpg-psycopg-setup-cheatsheet/ Wed, 13 May 2026 06:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/01-asyncpg-psycopg-setup-cheatsheet/ asyncpg vs psycopg setup, connection args, server settings, PgBouncer config. SQLAlchemy Cheatsheet 01 — Engine, Pool, and Connection https://blog.rajpoot.dev/cheatsheets/sqlalchemy/01-engine-pool-cheatsheet/ Tue, 12 May 2026 06:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy/01-engine-pool-cheatsheet/ SQLAlchemy 2.0 engine + connection cheatsheet — URLs, pooling, events, lifespan. FastAPI Cheatsheet 01 — Routing, Path Operations, and Routers https://blog.rajpoot.dev/cheatsheets/fastapi/01-routing-cheatsheet/ Mon, 11 May 2026 06:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/fastapi/01-routing-cheatsheet/ FastAPI routing cheatsheet — path operations, parameter sources, routers, prefixes, mounts, and the request lifecycle in one scannable page. SQLite Cheatsheet 02 — WAL Mode https://blog.rajpoot.dev/cheatsheets/sqlite/02-wal-cheatsheet/ Sat, 30 May 2026 06:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlite/02-wal-cheatsheet/ SQLite WAL — write-ahead log, concurrency. ClickHouse Cheatsheet 02 — MergeTree Engines https://blog.rajpoot.dev/cheatsheets/clickhouse/02-engines-cheatsheet/ Fri, 29 May 2026 06:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/clickhouse/02-engines-cheatsheet/ ClickHouse engines — MergeTree family. MongoDB Cheatsheet 02 — Schema Design https://blog.rajpoot.dev/cheatsheets/mongodb/02-schema-cheatsheet/ Thu, 28 May 2026 06:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/mongodb/02-schema-cheatsheet/ MongoDB schema — embed vs reference, denormalize. Redis Cheatsheet 02 — Data Types https://blog.rajpoot.dev/cheatsheets/redis/02-data-types-cheatsheet/ Wed, 27 May 2026 06:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/redis/02-data-types-cheatsheet/ Redis data types — lists, hashes, sets, sorted sets. AI/LLM Cheatsheet 02 — Prompt Engineering https://blog.rajpoot.dev/cheatsheets/ai-llm/02-prompts-cheatsheet/ Tue, 26 May 2026 06:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/ai-llm/02-prompts-cheatsheet/ Prompt engineering — patterns, structure, few-shot, CoT. Linux Cheatsheet 02 — Files and Permissions https://blog.rajpoot.dev/cheatsheets/linux/02-files-cheatsheet/ Mon, 25 May 2026 06:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/linux/02-files-cheatsheet/ Linux file system — permissions, ownership, ACL, attributes. Nginx Cheatsheet 02 — Reverse Proxy https://blog.rajpoot.dev/cheatsheets/nginx/02-reverse-proxy-cheatsheet/ Sun, 24 May 2026 06:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/nginx/02-reverse-proxy-cheatsheet/ Nginx reverse proxy — proxy_pass, upstreams, headers, buffering. Kubernetes Cheatsheet 02 — Deployments and ReplicaSets https://blog.rajpoot.dev/cheatsheets/kubernetes/02-deployments-cheatsheet/ Sat, 23 May 2026 06:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/kubernetes/02-deployments-cheatsheet/ Kubernetes Deployments — rollouts, scaling, strategy, history. Docker Cheatsheet 02 — Writing Dockerfiles https://blog.rajpoot.dev/cheatsheets/docker/02-dockerfile-cheatsheet/ Fri, 22 May 2026 06:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/docker/02-dockerfile-cheatsheet/ Dockerfile cheatsheet — instructions, multi-stage, BuildKit features. Django Cheatsheet 02 — Django ORM https://blog.rajpoot.dev/cheatsheets/django/02-orm-cheatsheet/ Thu, 21 May 2026 06:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/django/02-orm-cheatsheet/ Django ORM cheatsheet — querysets, filters, joins, aggregations, performance. Next.js Cheatsheet 02 — App Router Routing https://blog.rajpoot.dev/cheatsheets/nextjs/02-routing-cheatsheet/ Wed, 20 May 2026 06:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/nextjs/02-routing-cheatsheet/ Next.js App Router routing — dynamic, catch-all, route groups, parallel routes. React Cheatsheet 02 — Hooks Reference https://blog.rajpoot.dev/cheatsheets/react/02-hooks-cheatsheet/ Tue, 19 May 2026 06:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/react/02-hooks-cheatsheet/ React hooks cheatsheet — useState, useEffect, useMemo, useReducer, useRef. TypeScript Cheatsheet 02 — tsconfig and Compile Targets https://blog.rajpoot.dev/cheatsheets/typescript/02-tsconfig-cheatsheet/ Mon, 18 May 2026 06:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/typescript/02-tsconfig-cheatsheet/ tsconfig cheatsheet — strict flags, module resolution, paths, project references. Python Cheatsheet 02 — Type Hints (Modern) https://blog.rajpoot.dev/cheatsheets/python/02-type-hints-cheatsheet/ Sun, 17 May 2026 06:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/python/02-type-hints-cheatsheet/ Modern Python typing — PEP 604, PEP 695, generics, protocols, TypedDict. Integration Cheatsheet 02 — Full Request Lifecycle https://blog.rajpoot.dev/cheatsheets/integrations/02-request-lifecycle-cheatsheet/ Sat, 16 May 2026 06:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/integrations/02-request-lifecycle-cheatsheet/ Full request lifecycle: FastAPI → Pydantic → SQLAlchemy → response. Alembic Cheatsheet 02 — Commands https://blog.rajpoot.dev/cheatsheets/alembic/02-commands-cheatsheet/ Fri, 15 May 2026 06:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/alembic/02-commands-cheatsheet/ Alembic CLI commands cheatsheet — revision, upgrade, downgrade, stamp, history. Pydantic Cheatsheet 02 — Field and Constraints https://blog.rajpoot.dev/cheatsheets/pydantic/02-fields-constraints-cheatsheet/ Thu, 14 May 2026 06:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/pydantic/02-fields-constraints-cheatsheet/ Pydantic v2 Field cheatsheet — defaults, constraints, descriptions, aliases. SQLAlchemy + Postgres Cheatsheet 02 — JSONB Patterns https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/02-jsonb-cheatsheet/ Wed, 13 May 2026 06:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/02-jsonb-cheatsheet/ JSONB in SQLAlchemy — column declaration, queries, indexing, updates. SQLAlchemy Cheatsheet 02 — Schema, Mapped Columns, and Types https://blog.rajpoot.dev/cheatsheets/sqlalchemy/02-schema-types-cheatsheet/ Tue, 12 May 2026 06:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy/02-schema-types-cheatsheet/ SQLAlchemy 2.0 schema cheatsheet — Mapped, mapped_column, types, defaults, indexes, constraints. FastAPI Cheatsheet 02 — Pydantic Request Validation https://blog.rajpoot.dev/cheatsheets/fastapi/02-pydantic-validation-cheatsheet/ Mon, 11 May 2026 06:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/fastapi/02-pydantic-validation-cheatsheet/ FastAPI request validation cheatsheet — Pydantic v2 models, validators, error handling, recipes. SQLite Cheatsheet 03 — Schema and Indexes https://blog.rajpoot.dev/cheatsheets/sqlite/03-schema-cheatsheet/ Sat, 30 May 2026 06:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlite/03-schema-cheatsheet/ SQLite schema — types, constraints, indexes. ClickHouse Cheatsheet 03 — Materialized Views https://blog.rajpoot.dev/cheatsheets/clickhouse/03-mv-cheatsheet/ Fri, 29 May 2026 06:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/clickhouse/03-mv-cheatsheet/ ClickHouse materialized views — incremental aggregation. MongoDB Cheatsheet 03 — Aggregation Pipeline https://blog.rajpoot.dev/cheatsheets/mongodb/03-aggregation-cheatsheet/ Thu, 28 May 2026 06:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/mongodb/03-aggregation-cheatsheet/ MongoDB aggregation — $match, $group, $lookup. Redis Cheatsheet 03 — Caching Patterns https://blog.rajpoot.dev/cheatsheets/redis/03-caching-patterns-cheatsheet/ Wed, 27 May 2026 06:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/redis/03-caching-patterns-cheatsheet/ Redis caching patterns — cache-aside, write-through, invalidation. AI/LLM Cheatsheet 03 — Tool Use / Function Calling https://blog.rajpoot.dev/cheatsheets/ai-llm/03-tools-cheatsheet/ Tue, 26 May 2026 06:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/ai-llm/03-tools-cheatsheet/ Tool use — OpenAI, Anthropic, parallel calls. Linux Cheatsheet 03 — Process Management https://blog.rajpoot.dev/cheatsheets/linux/03-processes-cheatsheet/ Mon, 25 May 2026 06:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/linux/03-processes-cheatsheet/ Linux processes — ps, top, kill, signals, nice. Nginx Cheatsheet 03 — TLS / HTTPS https://blog.rajpoot.dev/cheatsheets/nginx/03-tls-cheatsheet/ Sun, 24 May 2026 06:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/nginx/03-tls-cheatsheet/ Nginx TLS — certs, Let's Encrypt, HSTS, modern config. Kubernetes Cheatsheet 03 — Services and Networking https://blog.rajpoot.dev/cheatsheets/kubernetes/03-services-cheatsheet/ Sat, 23 May 2026 06:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/kubernetes/03-services-cheatsheet/ Kubernetes Services — ClusterIP, NodePort, LoadBalancer, Headless. Docker Cheatsheet 03 — docker compose https://blog.rajpoot.dev/cheatsheets/docker/03-compose-cheatsheet/ Fri, 22 May 2026 06:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/docker/03-compose-cheatsheet/ docker compose cheatsheet — services, networks, volumes, profiles. Django Cheatsheet 03 — Class-Based Views https://blog.rajpoot.dev/cheatsheets/django/03-cbv-cheatsheet/ Thu, 21 May 2026 06:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/django/03-cbv-cheatsheet/ Django CBV cheatsheet — generic views, mixins, override patterns. Next.js Cheatsheet 03 — Data Fetching and Caching https://blog.rajpoot.dev/cheatsheets/nextjs/03-data-fetching-cheatsheet/ Wed, 20 May 2026 06:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/nextjs/03-data-fetching-cheatsheet/ Next.js data fetching — fetch caching, revalidation, parallel fetches. React Cheatsheet 03 — useEffect Patterns and Pitfalls https://blog.rajpoot.dev/cheatsheets/react/03-useeffect-patterns-cheatsheet/ Tue, 19 May 2026 06:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/react/03-useeffect-patterns-cheatsheet/ useEffect cheatsheet — when (not) to use effects, common patterns, cleanups. TypeScript Cheatsheet 03 — Generics https://blog.rajpoot.dev/cheatsheets/typescript/03-generics-cheatsheet/ Mon, 18 May 2026 06:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/typescript/03-generics-cheatsheet/ TypeScript generics cheatsheet — type parameters, constraints, defaults, inference. Python Cheatsheet 03 — Dataclasses and attrs https://blog.rajpoot.dev/cheatsheets/python/03-dataclasses-attrs-cheatsheet/ Sun, 17 May 2026 06:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/python/03-dataclasses-attrs-cheatsheet/ Python dataclasses vs attrs — when each fits, frozen, slots, post_init. Integration Cheatsheet 03 — Pydantic ↔ SQLAlchemy Mapping https://blog.rajpoot.dev/cheatsheets/integrations/03-pydantic-sqlalchemy-mapping-cheatsheet/ Sat, 16 May 2026 06:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/integrations/03-pydantic-sqlalchemy-mapping-cheatsheet/ Map Pydantic schemas to SQLAlchemy models — Read/Create/Update, from_attributes. Alembic Cheatsheet 03 — Autogenerate https://blog.rajpoot.dev/cheatsheets/alembic/03-autogenerate-cheatsheet/ Fri, 15 May 2026 06:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/alembic/03-autogenerate-cheatsheet/ Alembic autogenerate cheatsheet — what it detects, what it misses, how to fix. Pydantic Cheatsheet 03 — Validators https://blog.rajpoot.dev/cheatsheets/pydantic/03-validators-cheatsheet/ Thu, 14 May 2026 06:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/pydantic/03-validators-cheatsheet/ Pydantic v2 validators — field_validator, model_validator, before/after, Annotated validators. SQLAlchemy + Postgres Cheatsheet 03 — Arrays https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/03-arrays-cheatsheet/ Wed, 13 May 2026 06:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/03-arrays-cheatsheet/ Postgres ARRAY in SQLAlchemy — column, operations, indexing. SQLAlchemy Cheatsheet 03 — Session and Unit of Work https://blog.rajpoot.dev/cheatsheets/sqlalchemy/03-session-cheatsheet/ Tue, 12 May 2026 06:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy/03-session-cheatsheet/ SQLAlchemy 2.0 session cheatsheet — session lifecycle, flush vs commit, identity map, expire. FastAPI Cheatsheet 03 — Response Models, Serialization, and Status Codes https://blog.rajpoot.dev/cheatsheets/fastapi/03-response-models-cheatsheet/ Mon, 11 May 2026 06:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/fastapi/03-response-models-cheatsheet/ FastAPI response cheatsheet — response_model, exclude, status codes, response classes, headers. SQLite Cheatsheet 04 — Query Optimization https://blog.rajpoot.dev/cheatsheets/sqlite/04-query-opt-cheatsheet/ Sat, 30 May 2026 06:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlite/04-query-opt-cheatsheet/ SQLite query opt — EXPLAIN, indexes. ClickHouse Cheatsheet 04 — Query Optimization https://blog.rajpoot.dev/cheatsheets/clickhouse/04-query-cheatsheet/ Fri, 29 May 2026 06:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/clickhouse/04-query-cheatsheet/ ClickHouse query optimization — primary key, projections, sampling. MongoDB Cheatsheet 04 — Indexes https://blog.rajpoot.dev/cheatsheets/mongodb/04-indexes-cheatsheet/ Thu, 28 May 2026 06:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/mongodb/04-indexes-cheatsheet/ MongoDB indexes — types, compound, sparse, text, geo. Redis Cheatsheet 04 — Rate Limiting https://blog.rajpoot.dev/cheatsheets/redis/04-rate-limit-cheatsheet/ Wed, 27 May 2026 06:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/redis/04-rate-limit-cheatsheet/ Redis rate limiting — fixed, sliding, token bucket. AI/LLM Cheatsheet 04 — Embeddings https://blog.rajpoot.dev/cheatsheets/ai-llm/04-embeddings-cheatsheet/ Tue, 26 May 2026 06:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/ai-llm/04-embeddings-cheatsheet/ Embeddings — OpenAI, Cohere, BGE, local. Linux Cheatsheet 04 — Networking https://blog.rajpoot.dev/cheatsheets/linux/04-networking-cheatsheet/ Mon, 25 May 2026 06:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/linux/04-networking-cheatsheet/ Linux networking — ip, ss, netstat, firewall, routes. Nginx Cheatsheet 04 — Caching https://blog.rajpoot.dev/cheatsheets/nginx/04-caching-cheatsheet/ Sun, 24 May 2026 06:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/nginx/04-caching-cheatsheet/ Nginx caching — proxy_cache, microcaching, cache-control. Kubernetes Cheatsheet 04 — Ingress and Gateway API https://blog.rajpoot.dev/cheatsheets/kubernetes/04-ingress-cheatsheet/ Sat, 23 May 2026 06:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/kubernetes/04-ingress-cheatsheet/ Ingress + Gateway API — HTTP routing, TLS, controllers. Docker Cheatsheet 04 — Networking https://blog.rajpoot.dev/cheatsheets/docker/04-networking-cheatsheet/ Fri, 22 May 2026 06:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/docker/04-networking-cheatsheet/ Docker networking cheatsheet — bridge, host, overlay, DNS, port publishing. Django Cheatsheet 04 — Django Forms https://blog.rajpoot.dev/cheatsheets/django/04-forms-cheatsheet/ Thu, 21 May 2026 06:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/django/04-forms-cheatsheet/ Django forms cheatsheet — Form, ModelForm, validation, widgets, formsets. Next.js Cheatsheet 04 — Server Actions https://blog.rajpoot.dev/cheatsheets/nextjs/04-server-actions-cheatsheet/ Wed, 20 May 2026 06:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/nextjs/04-server-actions-cheatsheet/ Next.js server actions cheatsheet — forms, mutations, revalidation. React Cheatsheet 04 — Forms (Controlled, Uncontrolled, React Hook Form) https://blog.rajpoot.dev/cheatsheets/react/04-forms-cheatsheet/ Tue, 19 May 2026 06:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/react/04-forms-cheatsheet/ React forms cheatsheet — controlled inputs, uncontrolled, React Hook Form. TypeScript Cheatsheet 04 — Utility Types https://blog.rajpoot.dev/cheatsheets/typescript/04-utility-types-cheatsheet/ Mon, 18 May 2026 06:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/typescript/04-utility-types-cheatsheet/ TypeScript utility types — Partial, Pick, Omit, Record, Awaited, ReturnType. Python Cheatsheet 04 — Decorators and Context Managers https://blog.rajpoot.dev/cheatsheets/python/04-decorators-context-managers-cheatsheet/ Sun, 17 May 2026 06:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/python/04-decorators-context-managers-cheatsheet/ Python decorators and context managers — sync, async, contextlib. Integration Cheatsheet 04 — Alembic + FastAPI Workflow https://blog.rajpoot.dev/cheatsheets/integrations/04-alembic-fastapi-workflow-cheatsheet/ Sat, 16 May 2026 06:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/integrations/04-alembic-fastapi-workflow-cheatsheet/ Daily workflow: edit model → generate migration → apply → restart FastAPI. Alembic Cheatsheet 04 — op API Reference https://blog.rajpoot.dev/cheatsheets/alembic/04-op-api-cheatsheet/ Fri, 15 May 2026 06:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/alembic/04-op-api-cheatsheet/ Alembic op API cheatsheet — every operation, with examples. Pydantic Cheatsheet 04 — Serialization https://blog.rajpoot.dev/cheatsheets/pydantic/04-serialization-cheatsheet/ Thu, 14 May 2026 06:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/pydantic/04-serialization-cheatsheet/ Pydantic v2 serialization — model_dump, custom serializers, mode. SQLAlchemy + Postgres Cheatsheet 04 — Ranges, INTERVAL, citext, INET https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/04-ranges-intervals-cheatsheet/ Wed, 13 May 2026 06:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/04-ranges-intervals-cheatsheet/ Postgres range types, INTERVAL, citext, INET in SQLAlchemy. SQLAlchemy Cheatsheet 04 — select(), where, joins, aggregates https://blog.rajpoot.dev/cheatsheets/sqlalchemy/04-select-queries-cheatsheet/ Tue, 12 May 2026 06:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy/04-select-queries-cheatsheet/ SQLAlchemy 2.0 select() cheatsheet — filters, joins, aggregates, CTEs, subqueries. FastAPI Cheatsheet 04 — Dependency Injection https://blog.rajpoot.dev/cheatsheets/fastapi/04-dependency-injection-cheatsheet/ Mon, 11 May 2026 06:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/fastapi/04-dependency-injection-cheatsheet/ FastAPI DI cheatsheet — Depends, sub-deps, scopes, overrides, lifespan, security deps. SQLite Cheatsheet 05 — Full-Text Search (FTS5) https://blog.rajpoot.dev/cheatsheets/sqlite/05-fts5-cheatsheet/ Sat, 30 May 2026 06:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlite/05-fts5-cheatsheet/ SQLite FTS5 — full-text search. ClickHouse Cheatsheet 05 — Compression https://blog.rajpoot.dev/cheatsheets/clickhouse/05-compression-cheatsheet/ Fri, 29 May 2026 06:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/clickhouse/05-compression-cheatsheet/ ClickHouse compression — codecs, low-cardinality. MongoDB Cheatsheet 05 — CRUD Advanced https://blog.rajpoot.dev/cheatsheets/mongodb/05-crud-advanced-cheatsheet/ Thu, 28 May 2026 06:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/mongodb/05-crud-advanced-cheatsheet/ MongoDB CRUD advanced — array ops, findAndModify, upsert. Redis Cheatsheet 05 — Session Storage https://blog.rajpoot.dev/cheatsheets/redis/05-sessions-cheatsheet/ Wed, 27 May 2026 06:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/redis/05-sessions-cheatsheet/ Redis for sessions — patterns, security, expiry. AI/LLM Cheatsheet 05 — RAG Patterns https://blog.rajpoot.dev/cheatsheets/ai-llm/05-rag-cheatsheet/ Tue, 26 May 2026 06:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/ai-llm/05-rag-cheatsheet/ RAG — retrieve + generate, hybrid, rerank, citations. Linux Cheatsheet 05 — systemd https://blog.rajpoot.dev/cheatsheets/linux/05-systemd-cheatsheet/ Mon, 25 May 2026 06:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/linux/05-systemd-cheatsheet/ systemd — service files, timers, journalctl, targets. Nginx Cheatsheet 05 — Rate Limiting https://blog.rajpoot.dev/cheatsheets/nginx/05-rate-limiting-cheatsheet/ Sun, 24 May 2026 06:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/nginx/05-rate-limiting-cheatsheet/ Nginx rate limiting — limit_req, limit_conn, dynamic limits. Kubernetes Cheatsheet 05 — ConfigMaps and Secrets https://blog.rajpoot.dev/cheatsheets/kubernetes/05-configmaps-secrets-cheatsheet/ Sat, 23 May 2026 06:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/kubernetes/05-configmaps-secrets-cheatsheet/ Kubernetes ConfigMaps + Secrets — env, files, mount, rotation. Docker Cheatsheet 05 — Volumes and Persistent Data https://blog.rajpoot.dev/cheatsheets/docker/05-volumes-cheatsheet/ Fri, 22 May 2026 06:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/docker/05-volumes-cheatsheet/ Docker volumes cheatsheet — named volumes, bind mounts, tmpfs, backup. Django Cheatsheet 05 — Authentication and Users https://blog.rajpoot.dev/cheatsheets/django/05-auth-cheatsheet/ Thu, 21 May 2026 06:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/django/05-auth-cheatsheet/ Django auth cheatsheet — built-in auth, custom user, permissions. Next.js Cheatsheet 05 — Middleware https://blog.rajpoot.dev/cheatsheets/nextjs/05-middleware-cheatsheet/ Wed, 20 May 2026 06:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/nextjs/05-middleware-cheatsheet/ Next.js middleware cheatsheet — auth, redirects, rewrites, headers. React Cheatsheet 05 — Context https://blog.rajpoot.dev/cheatsheets/react/05-context-cheatsheet/ Tue, 19 May 2026 06:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/react/05-context-cheatsheet/ React context cheatsheet — createContext, useContext, custom hooks, pitfalls. TypeScript Cheatsheet 05 — Type Guards and Narrowing https://blog.rajpoot.dev/cheatsheets/typescript/05-type-guards-cheatsheet/ Mon, 18 May 2026 06:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/typescript/05-type-guards-cheatsheet/ Type guards cheatsheet — typeof, instanceof, in, predicates, assertion functions. Python Cheatsheet 05 — Iterators, Generators, and Comprehensions https://blog.rajpoot.dev/cheatsheets/python/05-iterators-generators-cheatsheet/ Sun, 17 May 2026 06:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/python/05-iterators-generators-cheatsheet/ Python iteration patterns — generators, comprehensions, itertools. Integration Cheatsheet 05 — Auth Stack (Password / JWT / Session) https://blog.rajpoot.dev/cheatsheets/integrations/05-auth-stack-cheatsheet/ Sat, 16 May 2026 06:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/integrations/05-auth-stack-cheatsheet/ End-to-end auth across FastAPI / SQLAlchemy / Pydantic. Alembic Cheatsheet 05 — Online (Zero-Downtime) Schema Changes https://blog.rajpoot.dev/cheatsheets/alembic/05-online-schema-changes-cheatsheet/ Fri, 15 May 2026 06:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/alembic/05-online-schema-changes-cheatsheet/ Zero-downtime migration patterns — expand-contract, CONCURRENTLY, NOT VALID FK, batched backfill. Pydantic Cheatsheet 05 — Discriminated Unions and Generics https://blog.rajpoot.dev/cheatsheets/pydantic/05-discriminated-unions-cheatsheet/ Thu, 14 May 2026 06:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/pydantic/05-discriminated-unions-cheatsheet/ Pydantic v2 discriminated unions, generic models, recursion. SQLAlchemy + Postgres Cheatsheet 05 — Indexes (B-tree, GIN, GiST, BRIN, HASH) https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/05-indexes-cheatsheet/ Wed, 13 May 2026 06:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/05-indexes-cheatsheet/ Postgres index types in SQLAlchemy — B-tree, GIN, GiST, BRIN, HASH, partial, expression, INCLUDE. SQLAlchemy Cheatsheet 05 — Relationships and Loading Strategies https://blog.rajpoot.dev/cheatsheets/sqlalchemy/05-relationships-cheatsheet/ Tue, 12 May 2026 06:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy/05-relationships-cheatsheet/ SQLAlchemy relationships cheatsheet — 1:N, M:N, 1:1, loading strategies, cascade. FastAPI Cheatsheet 05 — Authentication and Authorization https://blog.rajpoot.dev/cheatsheets/fastapi/05-auth-cheatsheet/ Mon, 11 May 2026 06:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/fastapi/05-auth-cheatsheet/ FastAPI auth cheatsheet — password hashing, JWT, OAuth2 / OIDC, sessions, API keys, scopes, RBAC. ClickHouse Cheatsheet 06 — Distributed Cluster https://blog.rajpoot.dev/cheatsheets/clickhouse/06-cluster-cheatsheet/ Fri, 29 May 2026 06:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/clickhouse/06-cluster-cheatsheet/ ClickHouse cluster — shards, replicas, Distributed. MongoDB Cheatsheet 06 — Drivers (Python, Node) https://blog.rajpoot.dev/cheatsheets/mongodb/06-driver-cheatsheet/ Thu, 28 May 2026 06:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/mongodb/06-driver-cheatsheet/ MongoDB drivers — PyMongo, motor, mongoose, node driver. Redis Cheatsheet 06 — Pub/Sub and Streams https://blog.rajpoot.dev/cheatsheets/redis/06-pubsub-streams-cheatsheet/ Wed, 27 May 2026 06:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/redis/06-pubsub-streams-cheatsheet/ Redis pub/sub vs streams — when to use each. AI/LLM Cheatsheet 06 — Agents https://blog.rajpoot.dev/cheatsheets/ai-llm/06-agents-cheatsheet/ Tue, 26 May 2026 06:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/ai-llm/06-agents-cheatsheet/ LLM agents — loops, tools, memory, multi-agent. Linux Cheatsheet 06 — Disk and Filesystems https://blog.rajpoot.dev/cheatsheets/linux/06-disk-cheatsheet/ Mon, 25 May 2026 06:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/linux/06-disk-cheatsheet/ Linux disk — mount, fdisk, lvm, btrfs, zfs. Nginx Cheatsheet 06 — Load Balancing https://blog.rajpoot.dev/cheatsheets/nginx/06-load-balancing-cheatsheet/ Sun, 24 May 2026 06:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/nginx/06-load-balancing-cheatsheet/ Nginx load balancing — algorithms, health checks, sticky sessions. Kubernetes Cheatsheet 06 — Persistent Volumes https://blog.rajpoot.dev/cheatsheets/kubernetes/06-volumes-cheatsheet/ Sat, 23 May 2026 06:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/kubernetes/06-volumes-cheatsheet/ Kubernetes volumes — PV, PVC, StorageClass, EmptyDir, HostPath. Docker Cheatsheet 06 — Docker Security https://blog.rajpoot.dev/cheatsheets/docker/06-security-cheatsheet/ Fri, 22 May 2026 06:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/docker/06-security-cheatsheet/ Docker security cheatsheet — non-root, capabilities, secrets, scanning. Django Cheatsheet 06 — Django Templates https://blog.rajpoot.dev/cheatsheets/django/06-templates-cheatsheet/ Thu, 21 May 2026 06:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/django/06-templates-cheatsheet/ Django templates cheatsheet — tags, filters, inheritance, custom tags. Next.js Cheatsheet 06 — Authentication https://blog.rajpoot.dev/cheatsheets/nextjs/06-auth-cheatsheet/ Wed, 20 May 2026 06:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/nextjs/06-auth-cheatsheet/ Next.js auth cheatsheet — Auth.js, sessions, middleware-based gates. React Cheatsheet 06 — Memoization (memo, useMemo, useCallback) https://blog.rajpoot.dev/cheatsheets/react/06-memoization-cheatsheet/ Tue, 19 May 2026 06:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/react/06-memoization-cheatsheet/ React memoization cheatsheet — when to memo, useMemo, useCallback. TypeScript Cheatsheet 06 — Discriminated Unions and Pattern Matching https://blog.rajpoot.dev/cheatsheets/typescript/06-discriminated-unions-cheatsheet/ Mon, 18 May 2026 06:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/typescript/06-discriminated-unions-cheatsheet/ Discriminated unions in TypeScript — modeling state, results, events. Python Cheatsheet 06 — uv Packaging and Workflow https://blog.rajpoot.dev/cheatsheets/python/06-uv-packaging-cheatsheet/ Sun, 17 May 2026 06:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/python/06-uv-packaging-cheatsheet/ uv cheatsheet — projects, dependencies, lockfile, build, publish. Integration Cheatsheet 06 — Multi-Tenancy Across the Stack https://blog.rajpoot.dev/cheatsheets/integrations/06-multitenancy-stack-cheatsheet/ Sat, 16 May 2026 06:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/integrations/06-multitenancy-stack-cheatsheet/ End-to-end multi-tenancy: FastAPI middleware + SQLAlchemy + Postgres RLS. Alembic Cheatsheet 06 — Branching and Merging https://blog.rajpoot.dev/cheatsheets/alembic/06-branching-merging-cheatsheet/ Fri, 15 May 2026 06:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/alembic/06-branching-merging-cheatsheet/ Alembic branching cheatsheet — multi-head detection, merging, avoiding branches. Pydantic Cheatsheet 06 — Custom Types and TypeAdapter https://blog.rajpoot.dev/cheatsheets/pydantic/06-custom-types-cheatsheet/ Thu, 14 May 2026 06:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/pydantic/06-custom-types-cheatsheet/ Pydantic v2 custom types, TypeAdapter, dataclass integration. SQLAlchemy + Postgres Cheatsheet 06 — Full-Text Search https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/06-fts-cheatsheet/ Wed, 13 May 2026 06:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/06-fts-cheatsheet/ Postgres FTS in SQLAlchemy — tsvector, tsquery, GIN, ranking, websearch. SQLAlchemy Cheatsheet 06 — Transactions and Concurrency https://blog.rajpoot.dev/cheatsheets/sqlalchemy/06-transactions-concurrency-cheatsheet/ Tue, 12 May 2026 06:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy/06-transactions-concurrency-cheatsheet/ SQLAlchemy 2.0 transactions cheatsheet — isolation, savepoints, FOR UPDATE, optimistic locking. FastAPI Cheatsheet 06 — Async, Concurrency, and the Threadpool https://blog.rajpoot.dev/cheatsheets/fastapi/06-async-concurrency-cheatsheet/ Mon, 11 May 2026 06:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/fastapi/06-async-concurrency-cheatsheet/ FastAPI async / concurrency cheatsheet — async vs def handlers, threadpool, AnyIO, TaskGroup, blocking traps. ClickHouse Cheatsheet 07 — Ingest Patterns https://blog.rajpoot.dev/cheatsheets/clickhouse/07-ingest-cheatsheet/ Fri, 29 May 2026 07:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/clickhouse/07-ingest-cheatsheet/ ClickHouse ingest — batching, Kafka, async. MongoDB Cheatsheet 07 — Performance Tuning https://blog.rajpoot.dev/cheatsheets/mongodb/07-perf-cheatsheet/ Thu, 28 May 2026 07:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/mongodb/07-perf-cheatsheet/ MongoDB performance — indexes, explain, slow ops. Redis Cheatsheet 07 — Distributed Locks https://blog.rajpoot.dev/cheatsheets/redis/07-locks-cheatsheet/ Wed, 27 May 2026 07:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/redis/07-locks-cheatsheet/ Redis distributed locks — SET NX, Redlock, fencing. AI/LLM Cheatsheet 07 — LangChain Patterns https://blog.rajpoot.dev/cheatsheets/ai-llm/07-langchain-cheatsheet/ Tue, 26 May 2026 07:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/ai-llm/07-langchain-cheatsheet/ LangChain — LCEL, runnables, memory, retrievers. Linux Cheatsheet 07 — Users and Groups https://blog.rajpoot.dev/cheatsheets/linux/07-users-cheatsheet/ Mon, 25 May 2026 07:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/linux/07-users-cheatsheet/ Linux users — useradd, sudo, ssh, passwd, groups. Nginx Cheatsheet 07 — Logging and Monitoring https://blog.rajpoot.dev/cheatsheets/nginx/07-logging-cheatsheet/ Sun, 24 May 2026 07:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/nginx/07-logging-cheatsheet/ Nginx logging — formats, JSON logs, conditional, monitoring. Kubernetes Cheatsheet 07 — StatefulSets and DaemonSets https://blog.rajpoot.dev/cheatsheets/kubernetes/07-statefulset-daemonset-cheatsheet/ Sat, 23 May 2026 07:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/kubernetes/07-statefulset-daemonset-cheatsheet/ Kubernetes StatefulSets + DaemonSets — stable IDs, ordered start, per-node. Docker Cheatsheet 07 — Buildx and Multi-Arch https://blog.rajpoot.dev/cheatsheets/docker/07-buildx-cheatsheet/ Fri, 22 May 2026 07:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/docker/07-buildx-cheatsheet/ Docker buildx cheatsheet — multi-arch builds, cache, registry push. Django Cheatsheet 07 — DRF Basics https://blog.rajpoot.dev/cheatsheets/django/07-drf-basics-cheatsheet/ Thu, 21 May 2026 07:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/django/07-drf-basics-cheatsheet/ DRF basics — serializers, ViewSets, routers, permissions. Next.js Cheatsheet 07 — Forms with Server Actions https://blog.rajpoot.dev/cheatsheets/nextjs/07-forms-cheatsheet/ Wed, 20 May 2026 07:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/nextjs/07-forms-cheatsheet/ Next.js forms cheatsheet — server actions, Zod validation, RHF integration. React Cheatsheet 07 — Performance Profiling https://blog.rajpoot.dev/cheatsheets/react/07-performance-cheatsheet/ Tue, 19 May 2026 07:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/react/07-performance-cheatsheet/ React performance cheatsheet — profiling, common bottlenecks, optimizations. TypeScript Cheatsheet 07 — Conditional and Mapped Types https://blog.rajpoot.dev/cheatsheets/typescript/07-conditional-types-cheatsheet/ Mon, 18 May 2026 07:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/typescript/07-conditional-types-cheatsheet/ Conditional and mapped types in TypeScript — infer, distribution, key remapping. Python Cheatsheet 07 — pytest Essentials https://blog.rajpoot.dev/cheatsheets/python/07-pytest-cheatsheet/ Sun, 17 May 2026 07:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/python/07-pytest-cheatsheet/ pytest cheatsheet — fixtures, parametrize, marks, plugins, async. Integration Cheatsheet 07 — Background Jobs Across the Stack https://blog.rajpoot.dev/cheatsheets/integrations/07-background-jobs-integration-cheatsheet/ Sat, 16 May 2026 07:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/integrations/07-background-jobs-integration-cheatsheet/ Background jobs across FastAPI / SQLAlchemy / ARQ — DB context, outbox pattern. Alembic Cheatsheet 07 — Multi-Database and Multi-Tenant https://blog.rajpoot.dev/cheatsheets/alembic/07-multi-db-cheatsheet/ Fri, 15 May 2026 07:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/alembic/07-multi-db-cheatsheet/ Alembic with multiple databases or per-tenant schemas. Pydantic Cheatsheet 07 — Strict vs Lax Mode https://blog.rajpoot.dev/cheatsheets/pydantic/07-strict-lax-cheatsheet/ Thu, 14 May 2026 07:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/pydantic/07-strict-lax-cheatsheet/ Pydantic v2 strict / lax mode — coercion rules, per-field strict, per-call strict. SQLAlchemy + Postgres Cheatsheet 07 — Locking, SKIP LOCKED, Advisory Locks https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/07-locking-cheatsheet/ Wed, 13 May 2026 07:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/07-locking-cheatsheet/ Postgres locking via SQLAlchemy — FOR UPDATE, NOWAIT, SKIP LOCKED, advisory locks. SQLAlchemy Cheatsheet 07 — Async Patterns and Streaming https://blog.rajpoot.dev/cheatsheets/sqlalchemy/07-async-patterns-cheatsheet/ Tue, 12 May 2026 07:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy/07-async-patterns-cheatsheet/ SQLAlchemy 2.0 async cheatsheet — AsyncSession, streaming, awaitable_attrs, run_sync. FastAPI Cheatsheet 07 — WebSockets and SSE https://blog.rajpoot.dev/cheatsheets/fastapi/07-websockets-sse-cheatsheet/ Mon, 11 May 2026 07:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/fastapi/07-websockets-sse-cheatsheet/ FastAPI WebSocket + SSE cheatsheet — handlers, auth, fanout, disconnect, multi-process. ClickHouse Cheatsheet 08 — Time-Series Patterns https://blog.rajpoot.dev/cheatsheets/clickhouse/08-timeseries-cheatsheet/ Fri, 29 May 2026 07:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/clickhouse/08-timeseries-cheatsheet/ ClickHouse time-series — bucketing, rollups, retention. MongoDB Cheatsheet 08 — Replication and HA https://blog.rajpoot.dev/cheatsheets/mongodb/08-replication-cheatsheet/ Thu, 28 May 2026 07:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/mongodb/08-replication-cheatsheet/ MongoDB replica set, failover, oplog. Redis Cheatsheet 08 — Persistence https://blog.rajpoot.dev/cheatsheets/redis/08-persistence-cheatsheet/ Wed, 27 May 2026 07:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/redis/08-persistence-cheatsheet/ Redis persistence — RDB, AOF, hybrid. AI/LLM Cheatsheet 08 — Streaming Patterns https://blog.rajpoot.dev/cheatsheets/ai-llm/08-streaming-cheatsheet/ Tue, 26 May 2026 07:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/ai-llm/08-streaming-cheatsheet/ LLM streaming — SSE, token-by-token, frontend handling. Linux Cheatsheet 08 — Logs and journald https://blog.rajpoot.dev/cheatsheets/linux/08-logs-cheatsheet/ Mon, 25 May 2026 07:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/linux/08-logs-cheatsheet/ Linux logs — journalctl, rsyslog, log rotation. Nginx Cheatsheet 08 — Security Headers https://blog.rajpoot.dev/cheatsheets/nginx/08-security-cheatsheet/ Sun, 24 May 2026 07:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/nginx/08-security-cheatsheet/ Nginx security headers — CSP, HSTS, frame, content-type. Kubernetes Cheatsheet 08 — Autoscaling (HPA, VPA, Cluster Autoscaler) https://blog.rajpoot.dev/cheatsheets/kubernetes/08-autoscaling-cheatsheet/ Sat, 23 May 2026 07:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/kubernetes/08-autoscaling-cheatsheet/ Kubernetes autoscaling — HPA, VPA, Cluster Autoscaler, KEDA. Docker Cheatsheet 08 — Image Optimization https://blog.rajpoot.dev/cheatsheets/docker/08-optimization-cheatsheet/ Fri, 22 May 2026 07:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/docker/08-optimization-cheatsheet/ Docker image optimization — small images, layers, caching, distroless. Django Cheatsheet 08 — DRF Advanced https://blog.rajpoot.dev/cheatsheets/django/08-drf-advanced-cheatsheet/ Thu, 21 May 2026 07:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/django/08-drf-advanced-cheatsheet/ DRF advanced cheatsheet — JWT, throttling, schemas, optimization. Next.js Cheatsheet 08 — Route Handlers (API) https://blog.rajpoot.dev/cheatsheets/nextjs/08-route-handlers-cheatsheet/ Wed, 20 May 2026 07:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/nextjs/08-route-handlers-cheatsheet/ Next.js route handlers — REST API with App Router, NextResponse, dynamic. React Cheatsheet 08 — Suspense and Streaming https://blog.rajpoot.dev/cheatsheets/react/08-suspense-cheatsheet/ Tue, 19 May 2026 07:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/react/08-suspense-cheatsheet/ React Suspense cheatsheet — boundaries, fallbacks, streaming, use API. TypeScript Cheatsheet 08 — Modules and ESM/CJS https://blog.rajpoot.dev/cheatsheets/typescript/08-modules-cheatsheet/ Mon, 18 May 2026 07:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/typescript/08-modules-cheatsheet/ TypeScript modules cheatsheet — ESM, CJS, dual packages, package.json exports. Python Cheatsheet 08 — Logging with structlog https://blog.rajpoot.dev/cheatsheets/python/08-structlog-cheatsheet/ Sun, 17 May 2026 07:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/python/08-structlog-cheatsheet/ structlog cheatsheet — structured logging, contextvars, processors. Integration Cheatsheet 08 — Testing the Full Stack https://blog.rajpoot.dev/cheatsheets/integrations/08-testing-stack-cheatsheet/ Sat, 16 May 2026 07:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/integrations/08-testing-stack-cheatsheet/ Test the FastAPI + SQLA + Pydantic + Alembic stack end-to-end. Alembic Cheatsheet 08 — CI Integration https://blog.rajpoot.dev/cheatsheets/alembic/08-ci-integration-cheatsheet/ Fri, 15 May 2026 07:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/alembic/08-ci-integration-cheatsheet/ Alembic in CI — drift detection, round-trip tests, single-head gate. Pydantic Cheatsheet 08 — Aliases (Input/Output Field Names) https://blog.rajpoot.dev/cheatsheets/pydantic/08-aliases-cheatsheet/ Thu, 14 May 2026 07:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/pydantic/08-aliases-cheatsheet/ Pydantic v2 aliases — alias, validation_alias, serialization_alias, AliasChoices, AliasPath. SQLAlchemy + Postgres Cheatsheet 08 — LISTEN / NOTIFY https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/08-listen-notify-cheatsheet/ Wed, 13 May 2026 07:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/08-listen-notify-cheatsheet/ Postgres LISTEN/NOTIFY via asyncpg — real-time pub/sub for SQLAlchemy apps. SQLAlchemy Cheatsheet 08 — Performance, N+1, Bulk Ops, Streaming https://blog.rajpoot.dev/cheatsheets/sqlalchemy/08-performance-cheatsheet/ Tue, 12 May 2026 07:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy/08-performance-cheatsheet/ SQLAlchemy 2.0 performance cheatsheet — N+1 prevention, bulk ops, server-side cursors, query analysis. FastAPI Cheatsheet 08 — Background Tasks and Job Queues https://blog.rajpoot.dev/cheatsheets/fastapi/08-background-tasks-cheatsheet/ Mon, 11 May 2026 07:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/fastapi/08-background-tasks-cheatsheet/ FastAPI background work cheatsheet — BackgroundTasks, ARQ, Celery, Dramatiq integration. ClickHouse Cheatsheet 09 — Window Functions and Analytics https://blog.rajpoot.dev/cheatsheets/clickhouse/09-window-functions-cheatsheet/ Fri, 29 May 2026 07:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/clickhouse/09-window-functions-cheatsheet/ ClickHouse window functions, retention, funnels. MongoDB Cheatsheet 09 — Sharding https://blog.rajpoot.dev/cheatsheets/mongodb/09-sharding-cheatsheet/ Thu, 28 May 2026 07:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/mongodb/09-sharding-cheatsheet/ MongoDB sharding — shard key, mongos, balancer. Redis Cheatsheet 09 — Replication https://blog.rajpoot.dev/cheatsheets/redis/09-replication-cheatsheet/ Wed, 27 May 2026 07:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/redis/09-replication-cheatsheet/ Redis replication — primary/replica, Sentinel, failover. AI/LLM Cheatsheet 09 — Function Calling Patterns https://blog.rajpoot.dev/cheatsheets/ai-llm/09-function-calling-cheatsheet/ Tue, 26 May 2026 07:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/ai-llm/09-function-calling-cheatsheet/ LLM function calling patterns — schemas, validation, parallel. Linux Cheatsheet 09 — Cron and Scheduling https://blog.rajpoot.dev/cheatsheets/linux/09-cron-cheatsheet/ Mon, 25 May 2026 07:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/linux/09-cron-cheatsheet/ Linux scheduling — cron, systemd timers, at. Nginx Cheatsheet 09 — Static Sites and CDN https://blog.rajpoot.dev/cheatsheets/nginx/09-static-cdn-cheatsheet/ Sun, 24 May 2026 07:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/nginx/09-static-cdn-cheatsheet/ Nginx for static sites — cache headers, sendfile, brotli, CDN setup. Kubernetes Cheatsheet 09 — RBAC https://blog.rajpoot.dev/cheatsheets/kubernetes/09-rbac-cheatsheet/ Sat, 23 May 2026 07:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/kubernetes/09-rbac-cheatsheet/ Kubernetes RBAC — Roles, ClusterRoles, ServiceAccounts. Docker Cheatsheet 09 — Healthchecks and Signals https://blog.rajpoot.dev/cheatsheets/docker/09-healthchecks-cheatsheet/ Fri, 22 May 2026 07:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/docker/09-healthchecks-cheatsheet/ Docker healthchecks + signal handling — graceful shutdown, init, tini. Django Cheatsheet 09 — Celery https://blog.rajpoot.dev/cheatsheets/django/09-celery-cheatsheet/ Thu, 21 May 2026 07:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/django/09-celery-cheatsheet/ Celery + Django cheatsheet — tasks, beat, retries, errors. Next.js Cheatsheet 09 — Caching Deep Dive https://blog.rajpoot.dev/cheatsheets/nextjs/09-caching-cheatsheet/ Wed, 20 May 2026 07:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/nextjs/09-caching-cheatsheet/ Next.js caching cheatsheet — fetch cache, router cache, full route cache, data cache. React Cheatsheet 09 — Server Components https://blog.rajpoot.dev/cheatsheets/react/09-server-components-cheatsheet/ Tue, 19 May 2026 07:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/react/09-server-components-cheatsheet/ React Server Components cheatsheet — RSC, server vs client, boundaries. TypeScript Cheatsheet 09 — Declaration Files (.d.ts) https://blog.rajpoot.dev/cheatsheets/typescript/09-declaration-files-cheatsheet/ Mon, 18 May 2026 07:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/typescript/09-declaration-files-cheatsheet/ TypeScript .d.ts cheatsheet — ambient declarations, module augmentation, globals. Python Cheatsheet 09 — Profiling (py-spy, cProfile, scalene) https://blog.rajpoot.dev/cheatsheets/python/09-profiling-cheatsheet/ Sun, 17 May 2026 07:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/python/09-profiling-cheatsheet/ Python profiling cheatsheet — cProfile, py-spy, scalene, memory profiling. Integration Cheatsheet 09 — Deployment Stack (Docker + K8s + Migrations) https://blog.rajpoot.dev/cheatsheets/integrations/09-deployment-stack-cheatsheet/ Sat, 16 May 2026 07:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/integrations/09-deployment-stack-cheatsheet/ Deploy FastAPI + SQLAlchemy + Alembic to K8s — Dockerfile, Helm Job, lifecycle. Alembic Cheatsheet 09 — Production Patterns https://blog.rajpoot.dev/cheatsheets/alembic/09-production-cheatsheet/ Fri, 15 May 2026 07:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/alembic/09-production-cheatsheet/ Alembic production patterns — deploy strategies, recovery, stamp, downgrade discipline. Pydantic Cheatsheet 09 — pydantic-settings https://blog.rajpoot.dev/cheatsheets/pydantic/09-settings-cheatsheet/ Thu, 14 May 2026 07:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/pydantic/09-settings-cheatsheet/ pydantic-settings cheatsheet — env vars, .env, secrets, layered config. SQLAlchemy + Postgres Cheatsheet 09 — Row-Level Security for Multi-Tenancy https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/09-rls-multitenancy-cheatsheet/ Wed, 13 May 2026 07:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/09-rls-multitenancy-cheatsheet/ Postgres RLS in SQLAlchemy — policies, contextvars, app role. SQLAlchemy Cheatsheet 09 — Migrations Integration (Alembic) https://blog.rajpoot.dev/cheatsheets/sqlalchemy/09-migrations-integration-cheatsheet/ Tue, 12 May 2026 07:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy/09-migrations-integration-cheatsheet/ SQLAlchemy + Alembic integration cheatsheet — env.py, autogenerate, naming conventions. FastAPI Cheatsheet 09 — Testing with Pytest, AsyncClient, and testcontainers https://blog.rajpoot.dev/cheatsheets/fastapi/09-testing-cheatsheet/ Mon, 11 May 2026 07:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/fastapi/09-testing-cheatsheet/ FastAPI testing cheatsheet — TestClient, AsyncClient, dependency overrides, real DB tests, factories, CI. ClickHouse Cheatsheet 10 — Backup https://blog.rajpoot.dev/cheatsheets/clickhouse/10-backup-cheatsheet/ Fri, 29 May 2026 07:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/clickhouse/10-backup-cheatsheet/ ClickHouse backup — BACKUP, FREEZE, S3. MongoDB Cheatsheet 10 — Transactions https://blog.rajpoot.dev/cheatsheets/mongodb/10-transactions-cheatsheet/ Thu, 28 May 2026 07:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/mongodb/10-transactions-cheatsheet/ MongoDB transactions — multi-doc ACID. Redis Cheatsheet 10 — Lua Scripting https://blog.rajpoot.dev/cheatsheets/redis/10-lua-cheatsheet/ Wed, 27 May 2026 07:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/redis/10-lua-cheatsheet/ Redis Lua — EVAL, SCRIPT LOAD, atomic operations. AI/LLM Cheatsheet 10 — Evaluation https://blog.rajpoot.dev/cheatsheets/ai-llm/10-eval-cheatsheet/ Tue, 26 May 2026 07:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/ai-llm/10-eval-cheatsheet/ LLM evaluation — datasets, LLM-as-judge, regression tests. Linux Cheatsheet 10 — Package Management https://blog.rajpoot.dev/cheatsheets/linux/10-package-mgmt-cheatsheet/ Mon, 25 May 2026 07:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/linux/10-package-mgmt-cheatsheet/ Linux packages — apt, dnf, pacman, brew, snap. Nginx Cheatsheet 10 — Nginx + PHP-FPM https://blog.rajpoot.dev/cheatsheets/nginx/10-php-fpm-cheatsheet/ Sun, 24 May 2026 07:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/nginx/10-php-fpm-cheatsheet/ Nginx + PHP-FPM — Laravel, WordPress, performance. Kubernetes Cheatsheet 10 — Helm https://blog.rajpoot.dev/cheatsheets/kubernetes/10-helm-cheatsheet/ Sat, 23 May 2026 07:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/kubernetes/10-helm-cheatsheet/ Helm cheatsheet — chart structure, releases, templating, dependencies. Docker Cheatsheet 10 — Logging https://blog.rajpoot.dev/cheatsheets/docker/10-logging-cheatsheet/ Fri, 22 May 2026 07:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/docker/10-logging-cheatsheet/ Docker logging cheatsheet — drivers, JSON, syslog, fluentd, max-size. Django Cheatsheet 10 — Django Async Views https://blog.rajpoot.dev/cheatsheets/django/10-async-views-cheatsheet/ Thu, 21 May 2026 07:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/django/10-async-views-cheatsheet/ Django async views cheatsheet — async views, ORM, middleware. Next.js Cheatsheet 10 — Images and Fonts https://blog.rajpoot.dev/cheatsheets/nextjs/10-images-fonts-cheatsheet/ Wed, 20 May 2026 07:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/nextjs/10-images-fonts-cheatsheet/ Next.js images and fonts — next/image, next/font, optimization, responsive. React Cheatsheet 10 — React Router and TanStack Router https://blog.rajpoot.dev/cheatsheets/react/10-routing-cheatsheet/ Tue, 19 May 2026 07:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/react/10-routing-cheatsheet/ React routing cheatsheet — React Router 7, TanStack Router, basics, loaders. TypeScript Cheatsheet 10 — JSX and React Types https://blog.rajpoot.dev/cheatsheets/typescript/10-react-types-cheatsheet/ Mon, 18 May 2026 07:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/typescript/10-react-types-cheatsheet/ TypeScript + React cheatsheet — props, refs, events, hooks, generics, context. Python Cheatsheet 10 — pathlib (Modern File Paths) https://blog.rajpoot.dev/cheatsheets/python/10-pathlib-cheatsheet/ Sun, 17 May 2026 07:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/python/10-pathlib-cheatsheet/ pathlib cheatsheet — file paths the modern way. Integration Cheatsheet 10 — Observability Stack https://blog.rajpoot.dev/cheatsheets/integrations/10-observability-stack-cheatsheet/ Sat, 16 May 2026 07:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/integrations/10-observability-stack-cheatsheet/ End-to-end observability for FastAPI + SQLAlchemy. Alembic Cheatsheet 10 — Common Migration Recipes https://blog.rajpoot.dev/cheatsheets/alembic/10-recipes-cheatsheet/ Fri, 15 May 2026 07:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/alembic/10-recipes-cheatsheet/ Alembic recipes — common migration patterns: indexes, FKs, enum, JSONB, partitioning. Pydantic Cheatsheet 10 — JSON Schema and OpenAPI https://blog.rajpoot.dev/cheatsheets/pydantic/10-json-schema-cheatsheet/ Thu, 14 May 2026 07:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/pydantic/10-json-schema-cheatsheet/ Pydantic v2 JSON Schema generation — model_json_schema, OpenAPI, LLM tool calling. SQLAlchemy + Postgres Cheatsheet 10 — Upsert, RETURNING, and COPY https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/10-upsert-bulk-cheatsheet/ Wed, 13 May 2026 07:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/10-upsert-bulk-cheatsheet/ Postgres-specific upsert / RETURNING / COPY in SQLAlchemy. SQLAlchemy Cheatsheet 10 — Production Patterns https://blog.rajpoot.dev/cheatsheets/sqlalchemy/10-production-cheatsheet/ Tue, 12 May 2026 07:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy/10-production-cheatsheet/ SQLAlchemy 2.0 production cheatsheet — PgBouncer, read replicas, OTEL, multi-tenancy. FastAPI Cheatsheet 10 — Observability: structlog, OTEL, Prometheus https://blog.rajpoot.dev/cheatsheets/fastapi/10-observability-cheatsheet/ Mon, 11 May 2026 07:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/fastapi/10-observability-cheatsheet/ FastAPI observability cheatsheet — structlog, OpenTelemetry tracing, Prometheus metrics, correlation. ClickHouse Cheatsheet 11 — Settings and Tuning https://blog.rajpoot.dev/cheatsheets/clickhouse/11-settings-cheatsheet/ Fri, 29 May 2026 07:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/clickhouse/11-settings-cheatsheet/ ClickHouse settings — memory, threads, profiles. MongoDB Cheatsheet 11 — Change Streams https://blog.rajpoot.dev/cheatsheets/mongodb/11-change-streams-cheatsheet/ Thu, 28 May 2026 07:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/mongodb/11-change-streams-cheatsheet/ MongoDB change streams — CDC. Redis Cheatsheet 11 — Memory Optimization https://blog.rajpoot.dev/cheatsheets/redis/11-memory-cheatsheet/ Wed, 27 May 2026 07:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/redis/11-memory-cheatsheet/ Redis memory — usage, optimization, encoding. AI/LLM Cheatsheet 11 — Cost Optimization https://blog.rajpoot.dev/cheatsheets/ai-llm/11-costs-cheatsheet/ Tue, 26 May 2026 07:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/ai-llm/11-costs-cheatsheet/ LLM cost optimization — caching, batching, smaller models. Linux Cheatsheet 11 — Text Processing https://blog.rajpoot.dev/cheatsheets/linux/11-text-processing-cheatsheet/ Mon, 25 May 2026 07:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/linux/11-text-processing-cheatsheet/ grep, sed, awk, cut, sort, uniq, jq. Nginx Cheatsheet 11 — Performance Tuning https://blog.rajpoot.dev/cheatsheets/nginx/11-perf-cheatsheet/ Sun, 24 May 2026 07:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/nginx/11-perf-cheatsheet/ Nginx performance — workers, connections, sysctl, profiling. Kubernetes Cheatsheet 11 — Kustomize https://blog.rajpoot.dev/cheatsheets/kubernetes/11-kustomize-cheatsheet/ Sat, 23 May 2026 07:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/kubernetes/11-kustomize-cheatsheet/ Kustomize cheatsheet — base + overlays, patches, generators. Docker Cheatsheet 11 — Resource Limits https://blog.rajpoot.dev/cheatsheets/docker/11-resource-limits-cheatsheet/ Fri, 22 May 2026 07:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/docker/11-resource-limits-cheatsheet/ Docker resource limits — CPU, memory, PIDs, OOM behavior. Django Cheatsheet 11 — Signals https://blog.rajpoot.dev/cheatsheets/django/11-signals-cheatsheet/ Thu, 21 May 2026 07:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/django/11-signals-cheatsheet/ Django signals cheatsheet — built-in signals, custom signals, gotchas. Next.js Cheatsheet 11 — Metadata and SEO https://blog.rajpoot.dev/cheatsheets/nextjs/11-metadata-seo-cheatsheet/ Wed, 20 May 2026 07:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/nextjs/11-metadata-seo-cheatsheet/ Next.js metadata and SEO — title, OG, sitemap, robots, structured data. React Cheatsheet 11 — TanStack Query https://blog.rajpoot.dev/cheatsheets/react/11-tanstack-query-cheatsheet/ Tue, 19 May 2026 07:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/react/11-tanstack-query-cheatsheet/ TanStack Query cheatsheet — useQuery, useMutation, invalidation, optimistic. TypeScript Cheatsheet 11 — Branded Types and Nominal Typing https://blog.rajpoot.dev/cheatsheets/typescript/11-branded-types-cheatsheet/ Mon, 18 May 2026 07:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/typescript/11-branded-types-cheatsheet/ Branded types in TypeScript — nominal typing, smart constructors, ID safety. Python Cheatsheet 11 — datetime, zoneinfo, and Time https://blog.rajpoot.dev/cheatsheets/python/11-datetime-cheatsheet/ Sun, 17 May 2026 07:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/python/11-datetime-cheatsheet/ Python datetime cheatsheet — timezones, parsing, formatting, arithmetic. Pydantic Cheatsheet 11 — Performance https://blog.rajpoot.dev/cheatsheets/pydantic/11-performance-cheatsheet/ Thu, 14 May 2026 07:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/pydantic/11-performance-cheatsheet/ Pydantic v2 performance tips — schema caching, TypeAdapter, validation speed, msgspec comparison. SQLAlchemy + Postgres Cheatsheet 11 — Partitioning https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/11-partitioning-cheatsheet/ Wed, 13 May 2026 07:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/11-partitioning-cheatsheet/ Postgres partitioning in SQLAlchemy — range/list/hash partitions, pg_partman. SQLAlchemy Cheatsheet 11 — Events and Hooks https://blog.rajpoot.dev/cheatsheets/sqlalchemy/11-events-hooks-cheatsheet/ Tue, 12 May 2026 07:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy/11-events-hooks-cheatsheet/ SQLAlchemy 2.0 events cheatsheet — engine, session, mapper, attribute events. FastAPI Cheatsheet 11 — Docker, Kubernetes, and Deploy https://blog.rajpoot.dev/cheatsheets/fastapi/11-deployment-cheatsheet/ Mon, 11 May 2026 07:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/fastapi/11-deployment-cheatsheet/ FastAPI deploy cheatsheet — Dockerfile, Uvicorn, Kubernetes manifest, graceful shutdown, autoscaling. ClickHouse Cheatsheet 12 — Operations and Monitoring https://blog.rajpoot.dev/cheatsheets/clickhouse/12-ops-cheatsheet/ Fri, 29 May 2026 07:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/clickhouse/12-ops-cheatsheet/ ClickHouse ops — system tables, metrics. MongoDB Cheatsheet 12 — Backup and Restore https://blog.rajpoot.dev/cheatsheets/mongodb/12-backup-cheatsheet/ Thu, 28 May 2026 07:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/mongodb/12-backup-cheatsheet/ MongoDB backup — mongodump, snapshots, PITR. Redis Cheatsheet 12 — Redis Cluster https://blog.rajpoot.dev/cheatsheets/redis/12-cluster-cheatsheet/ Wed, 27 May 2026 07:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/redis/12-cluster-cheatsheet/ Redis Cluster — setup, hash slots, resharding. AI/LLM Cheatsheet 12 — Local LLMs (Ollama, vLLM) https://blog.rajpoot.dev/cheatsheets/ai-llm/12-local-llms-cheatsheet/ Tue, 26 May 2026 07:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/ai-llm/12-local-llms-cheatsheet/ Local LLMs — Ollama, vLLM, llama.cpp. Linux Cheatsheet 12 — Tmux and Screen https://blog.rajpoot.dev/cheatsheets/linux/12-tmux-cheatsheet/ Mon, 25 May 2026 07:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/linux/12-tmux-cheatsheet/ tmux + screen — sessions, windows, panes. Nginx Cheatsheet 12 — Streaming, SSE, WebSocket https://blog.rajpoot.dev/cheatsheets/nginx/12-streaming-cheatsheet/ Sun, 24 May 2026 07:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/nginx/12-streaming-cheatsheet/ Nginx streaming — SSE, WebSocket, long polling. Kubernetes Cheatsheet 12 — GitOps with ArgoCD https://blog.rajpoot.dev/cheatsheets/kubernetes/12-argocd-cheatsheet/ Sat, 23 May 2026 07:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/kubernetes/12-argocd-cheatsheet/ ArgoCD cheatsheet — Applications, sync, App of Apps, rollouts. Docker Cheatsheet 12 — Production Patterns https://blog.rajpoot.dev/cheatsheets/docker/12-production-cheatsheet/ Fri, 22 May 2026 07:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/docker/12-production-cheatsheet/ Docker production patterns — restart policies, env, secrets, host setup. Django Cheatsheet 12 — Database Migrations https://blog.rajpoot.dev/cheatsheets/django/12-migrations-cheatsheet/ Thu, 21 May 2026 07:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/django/12-migrations-cheatsheet/ Django migrations cheatsheet — makemigrations, data migrations, squashing. Next.js Cheatsheet 12 — Deployment (Vercel and self-host) https://blog.rajpoot.dev/cheatsheets/nextjs/12-deployment-cheatsheet/ Wed, 20 May 2026 07:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/nextjs/12-deployment-cheatsheet/ Next.js deployment cheatsheet — Vercel, Docker, self-host, standalone. React Cheatsheet 12 — Zustand https://blog.rajpoot.dev/cheatsheets/react/12-zustand-cheatsheet/ Tue, 19 May 2026 07:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/react/12-zustand-cheatsheet/ Zustand cheatsheet — create store, selectors, slices, persistence. TypeScript Cheatsheet 12 — satisfies, as const, and Inference https://blog.rajpoot.dev/cheatsheets/typescript/12-satisfies-cheatsheet/ Mon, 18 May 2026 07:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/typescript/12-satisfies-cheatsheet/ satisfies operator, as const, and how to keep literal types alive. Python Cheatsheet 12 — Standard Library Highlights https://blog.rajpoot.dev/cheatsheets/python/12-stdlib-highlights-cheatsheet/ Sun, 17 May 2026 07:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/python/12-stdlib-highlights-cheatsheet/ Python stdlib highlights — collections, json, os, sys, subprocess. Pydantic Cheatsheet 12 — Error Handling https://blog.rajpoot.dev/cheatsheets/pydantic/12-errors-cheatsheet/ Thu, 14 May 2026 07:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/pydantic/12-errors-cheatsheet/ Pydantic v2 ValidationError — structure, formatting, custom error envelopes. SQLAlchemy + Postgres Cheatsheet 12 — pgvector (Embeddings) https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/12-pgvector-cheatsheet/ Wed, 13 May 2026 07:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/12-pgvector-cheatsheet/ pgvector with SQLAlchemy — vector column, HNSW / IVFFlat indexes, similarity queries. SQLAlchemy + Postgres Cheatsheet 12 — Schema-Per-Tenant https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/12-schema-per-tenant-cheatsheet/ Wed, 13 May 2026 07:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/12-schema-per-tenant-cheatsheet/ Schema-per-tenant pattern in SQLAlchemy with Postgres. SQLAlchemy Cheatsheet 12 — Repository and Unit-of-Work Pattern https://blog.rajpoot.dev/cheatsheets/sqlalchemy/12-repository-pattern-cheatsheet/ Tue, 12 May 2026 07:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy/12-repository-pattern-cheatsheet/ SQLAlchemy repository pattern cheatsheet — separation of concerns, testability, generic repos. FastAPI Cheatsheet 12 — Middleware Patterns https://blog.rajpoot.dev/cheatsheets/fastapi/12-middleware-cheatsheet/ Mon, 11 May 2026 07:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/fastapi/12-middleware-cheatsheet/ FastAPI middleware cheatsheet — common patterns, ordering, ASGI middleware, custom logic. ClickHouse Cheatsheet 13 — Joins and Subqueries https://blog.rajpoot.dev/cheatsheets/clickhouse/13-joins-cheatsheet/ Fri, 29 May 2026 08:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/clickhouse/13-joins-cheatsheet/ ClickHouse joins — types and tradeoffs. MongoDB Cheatsheet 13 — Security https://blog.rajpoot.dev/cheatsheets/mongodb/13-security-cheatsheet/ Thu, 28 May 2026 08:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/mongodb/13-security-cheatsheet/ MongoDB security — auth, roles, TLS, encryption. Redis Cheatsheet 13 — Redis with Python https://blog.rajpoot.dev/cheatsheets/redis/13-python-cheatsheet/ Wed, 27 May 2026 08:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/redis/13-python-cheatsheet/ redis-py — sync, async, pipelines, pubsub. AI/LLM Cheatsheet 13 — Fine-tuning https://blog.rajpoot.dev/cheatsheets/ai-llm/13-finetuning-cheatsheet/ Tue, 26 May 2026 08:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/ai-llm/13-finetuning-cheatsheet/ Fine-tuning — LoRA, QLoRA, OpenAI fine-tune. Linux Cheatsheet 13 — vim / Neovim https://blog.rajpoot.dev/cheatsheets/linux/13-vim-cheatsheet/ Mon, 25 May 2026 08:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/linux/13-vim-cheatsheet/ vim / neovim — modes, motions, buffers, plugins. Nginx Cheatsheet 13 — Geo, Maps, and Variables https://blog.rajpoot.dev/cheatsheets/nginx/13-geo-maps-cheatsheet/ Sun, 24 May 2026 08:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/nginx/13-geo-maps-cheatsheet/ Nginx map, geo, GeoIP2, variables, complex routing. Kubernetes Cheatsheet 13 — Observability https://blog.rajpoot.dev/cheatsheets/kubernetes/13-observability-cheatsheet/ Sat, 23 May 2026 08:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/kubernetes/13-observability-cheatsheet/ Kubernetes observability — Prometheus, Grafana, Loki, OpenTelemetry. Docker Cheatsheet 13 — Docker on macOS and Windows https://blog.rajpoot.dev/cheatsheets/docker/13-mac-windows-cheatsheet/ Fri, 22 May 2026 08:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/docker/13-mac-windows-cheatsheet/ Docker on macOS / Windows — Docker Desktop, alternatives, performance tips. Django Cheatsheet 13 — Testing https://blog.rajpoot.dev/cheatsheets/django/13-testing-cheatsheet/ Thu, 21 May 2026 08:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/django/13-testing-cheatsheet/ Django testing cheatsheet — pytest-django, fixtures, client, DB tests. Next.js Cheatsheet 13 — Streaming and Suspense https://blog.rajpoot.dev/cheatsheets/nextjs/13-streaming-cheatsheet/ Wed, 20 May 2026 08:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/nextjs/13-streaming-cheatsheet/ Next.js streaming cheatsheet — Suspense boundaries, loading.tsx, parallel. React Cheatsheet 13 — Testing with React Testing Library https://blog.rajpoot.dev/cheatsheets/react/13-testing-cheatsheet/ Tue, 19 May 2026 08:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/react/13-testing-cheatsheet/ React testing cheatsheet — RTL, Vitest, user-event, async, mocks. TypeScript Cheatsheet 13 — Zod and Runtime Validation https://blog.rajpoot.dev/cheatsheets/typescript/13-zod-cheatsheet/ Mon, 18 May 2026 08:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/typescript/13-zod-cheatsheet/ Zod cheatsheet — schema definition, parsing, inference, transforms. Python Cheatsheet 13 — httpx (Sync + Async HTTP Client) https://blog.rajpoot.dev/cheatsheets/python/13-httpx-cheatsheet/ Sun, 17 May 2026 08:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/python/13-httpx-cheatsheet/ httpx cheatsheet — modern HTTP client with sync and async APIs. Pydantic Cheatsheet 13 — ORM Mode (from_attributes) https://blog.rajpoot.dev/cheatsheets/pydantic/13-orm-mode-cheatsheet/ Thu, 14 May 2026 08:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/pydantic/13-orm-mode-cheatsheet/ Pydantic v2 from_attributes — converting SQLAlchemy / attrs / dataclass instances. SQLAlchemy + Postgres Cheatsheet 13 — Backups, PITR, Logical Backup https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/13-backup-pitr-cheatsheet/ Wed, 13 May 2026 08:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/13-backup-pitr-cheatsheet/ Postgres backup options — pg_dump, pg_basebackup, pgBackRest, WAL archiving, point-in-time recovery. SQLAlchemy + Postgres Cheatsheet 13 — DB-Per-Tenant https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/13-db-per-tenant-cheatsheet/ Wed, 13 May 2026 08:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/13-db-per-tenant-cheatsheet/ DB-per-tenant pattern in SQLAlchemy — engine cache, lifespan, migrations. SQLAlchemy Cheatsheet 13 — Soft Delete, Audit, and Timestamps https://blog.rajpoot.dev/cheatsheets/sqlalchemy/13-soft-delete-audit-cheatsheet/ Tue, 12 May 2026 08:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy/13-soft-delete-audit-cheatsheet/ SQLAlchemy soft-delete and audit cheatsheet — mixins, event hooks, query filters. FastAPI Cheatsheet 13 — OpenAPI, Swagger UI, and Schema Tweaks https://blog.rajpoot.dev/cheatsheets/fastapi/13-openapi-tweaks-cheatsheet/ Mon, 11 May 2026 08:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/fastapi/13-openapi-tweaks-cheatsheet/ FastAPI OpenAPI cheatsheet — schema customization, Swagger UI tweaks, ReDoc, custom docs paths. ClickHouse Cheatsheet 14 — Arrays and Maps https://blog.rajpoot.dev/cheatsheets/clickhouse/14-arrays-cheatsheet/ Fri, 29 May 2026 08:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/clickhouse/14-arrays-cheatsheet/ ClickHouse arrays — operations, JSON, Map. MongoDB Cheatsheet 14 — Schema Validation https://blog.rajpoot.dev/cheatsheets/mongodb/14-validation-cheatsheet/ Thu, 28 May 2026 08:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/mongodb/14-validation-cheatsheet/ MongoDB schema validation — $jsonSchema. Redis Cheatsheet 14 — Redis with Node https://blog.rajpoot.dev/cheatsheets/redis/14-node-cheatsheet/ Wed, 27 May 2026 08:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/redis/14-node-cheatsheet/ Redis with Node.js — ioredis, node-redis. AI/LLM Cheatsheet 14 — Multimodal LLMs https://blog.rajpoot.dev/cheatsheets/ai-llm/14-multimodal-cheatsheet/ Tue, 26 May 2026 08:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/ai-llm/14-multimodal-cheatsheet/ Multimodal — image, audio, video LLMs. Linux Cheatsheet 14 — git on the Command Line https://blog.rajpoot.dev/cheatsheets/linux/14-git-cli-cheatsheet/ Mon, 25 May 2026 08:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/linux/14-git-cli-cheatsheet/ git CLI — branches, rebase, recovery, rerere. Nginx Cheatsheet 14 — OpenResty / Lua https://blog.rajpoot.dev/cheatsheets/nginx/14-openresty-cheatsheet/ Sun, 24 May 2026 08:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/nginx/14-openresty-cheatsheet/ OpenResty / Lua in nginx — access control, transforms, Redis. Kubernetes Cheatsheet 14 — Security and Policies https://blog.rajpoot.dev/cheatsheets/kubernetes/14-security-cheatsheet/ Sat, 23 May 2026 08:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/kubernetes/14-security-cheatsheet/ Kubernetes security — PSA, network policies, OPA Gatekeeper, image scan. Docker Cheatsheet 14 — Debugging Containers https://blog.rajpoot.dev/cheatsheets/docker/14-debugging-cheatsheet/ Fri, 22 May 2026 08:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/docker/14-debugging-cheatsheet/ Docker debugging cheatsheet — exec, inspect, logs, strace, network. Django Cheatsheet 14 — Deployment with Docker https://blog.rajpoot.dev/cheatsheets/django/14-deployment-cheatsheet/ Thu, 21 May 2026 08:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/django/14-deployment-cheatsheet/ Django deployment cheatsheet — gunicorn, uvicorn, Docker, nginx. Next.js Cheatsheet 14 — TanStack Query + RSC https://blog.rajpoot.dev/cheatsheets/nextjs/14-tanstack-query-rsc-cheatsheet/ Wed, 20 May 2026 08:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/nextjs/14-tanstack-query-rsc-cheatsheet/ TanStack Query + RSC cheatsheet — hydration, prefetching, mutations. React Cheatsheet 14 — Error Boundaries https://blog.rajpoot.dev/cheatsheets/react/14-error-boundaries-cheatsheet/ Tue, 19 May 2026 08:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/react/14-error-boundaries-cheatsheet/ React error boundaries cheatsheet — class boundary, react-error-boundary, RSC errors. TypeScript Cheatsheet 14 — Vitest with TypeScript https://blog.rajpoot.dev/cheatsheets/typescript/14-vitest-cheatsheet/ Mon, 18 May 2026 08:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/typescript/14-vitest-cheatsheet/ Vitest cheatsheet — test runner for TypeScript projects. Python Cheatsheet 14 — CLI Tools (Typer / Click / argparse) https://blog.rajpoot.dev/cheatsheets/python/14-cli-cheatsheet/ Sun, 17 May 2026 08:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/python/14-cli-cheatsheet/ Python CLI cheatsheet — Typer, Click, argparse. Pydantic Cheatsheet 14 — FastAPI Patterns https://blog.rajpoot.dev/cheatsheets/pydantic/14-fastapi-patterns-cheatsheet/ Thu, 14 May 2026 08:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/pydantic/14-fastapi-patterns-cheatsheet/ Pydantic + FastAPI common patterns — request/response models, partial updates, query class. SQLAlchemy + Postgres Cheatsheet 14 — pgvector for Embeddings https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/14-pgvector-cheatsheet/ Wed, 13 May 2026 08:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/14-pgvector-cheatsheet/ pgvector in SQLAlchemy — vector columns, distance queries, HNSW / IVFFlat indexes. SQLAlchemy + Postgres Cheatsheet 14 — Replication and Failover https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/14-replication-failover-cheatsheet/ Wed, 13 May 2026 08:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/14-replication-failover-cheatsheet/ Postgres replication + failover with SQLAlchemy — streaming, logical, Patroni, multi-host URL. SQLAlchemy Cheatsheet 14 — Multi-Tenancy Patterns https://blog.rajpoot.dev/cheatsheets/sqlalchemy/14-multitenancy-cheatsheet/ Tue, 12 May 2026 08:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy/14-multitenancy-cheatsheet/ SQLAlchemy multi-tenancy cheatsheet — tenant column, schema-per-tenant, DB-per-tenant. FastAPI Cheatsheet 14 — Settings, Config, and Environments https://blog.rajpoot.dev/cheatsheets/fastapi/14-settings-config-cheatsheet/ Mon, 11 May 2026 08:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/fastapi/14-settings-config-cheatsheet/ FastAPI config cheatsheet — pydantic-settings, env files, secrets, multi-environment patterns. ClickHouse Cheatsheet 15 — String Functions https://blog.rajpoot.dev/cheatsheets/clickhouse/15-strings-cheatsheet/ Fri, 29 May 2026 08:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/clickhouse/15-strings-cheatsheet/ ClickHouse string functions. MongoDB Cheatsheet 15 — Geospatial https://blog.rajpoot.dev/cheatsheets/mongodb/15-geo-cheatsheet/ Thu, 28 May 2026 08:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/mongodb/15-geo-cheatsheet/ MongoDB geospatial — 2dsphere, $near, $geoWithin. Redis Cheatsheet 15 — Redis Stack (Search/JSON) https://blog.rajpoot.dev/cheatsheets/redis/15-stack-cheatsheet/ Wed, 27 May 2026 08:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/redis/15-stack-cheatsheet/ Redis Stack — RediSearch, RedisJSON, RedisTimeSeries, vector. AI/LLM Cheatsheet 15 — Security and Prompt Injection https://blog.rajpoot.dev/cheatsheets/ai-llm/15-security-cheatsheet/ Tue, 26 May 2026 08:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/ai-llm/15-security-cheatsheet/ LLM security — prompt injection, data leaks, jailbreaks. Linux Cheatsheet 15 — Ansible Basics https://blog.rajpoot.dev/cheatsheets/linux/15-ansible-cheatsheet/ Mon, 25 May 2026 08:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/linux/15-ansible-cheatsheet/ Ansible — inventory, playbooks, roles, vault. Nginx Cheatsheet 15 — Docker + Nginx https://blog.rajpoot.dev/cheatsheets/nginx/15-docker-cheatsheet/ Sun, 24 May 2026 08:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/nginx/15-docker-cheatsheet/ Nginx in Docker — config mounting, env vars, multi-stage. Kubernetes Cheatsheet 15 — Multi-cluster https://blog.rajpoot.dev/cheatsheets/kubernetes/15-multi-cluster-cheatsheet/ Sat, 23 May 2026 08:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/kubernetes/15-multi-cluster-cheatsheet/ Kubernetes multi-cluster — federation, multi-cluster service, cluster API. Docker Cheatsheet 15 — Registries and Image Distribution https://blog.rajpoot.dev/cheatsheets/docker/15-registries-cheatsheet/ Fri, 22 May 2026 08:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/docker/15-registries-cheatsheet/ Docker registries cheatsheet — Docker Hub, GHCR, ECR, self-hosted. Django Cheatsheet 15 — Caching with Redis https://blog.rajpoot.dev/cheatsheets/django/15-caching-cheatsheet/ Thu, 21 May 2026 08:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/django/15-caching-cheatsheet/ Django caching — per-view, low-level, template fragment, cache tags. Next.js Cheatsheet 15 — Tailwind in Next.js https://blog.rajpoot.dev/cheatsheets/nextjs/15-tailwind-cheatsheet/ Wed, 20 May 2026 08:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/nextjs/15-tailwind-cheatsheet/ Tailwind in Next.js — setup, dark mode, fonts, RSC, shadcn integration. React Cheatsheet 15 — Refs and Imperative APIs https://blog.rajpoot.dev/cheatsheets/react/15-refs-cheatsheet/ Tue, 19 May 2026 08:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/react/15-refs-cheatsheet/ React refs cheatsheet — useRef, forwardRef, useImperativeHandle, callback refs. TypeScript Cheatsheet 15 — Express with TypeScript https://blog.rajpoot.dev/cheatsheets/typescript/15-express-cheatsheet/ Mon, 18 May 2026 08:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/typescript/15-express-cheatsheet/ Express + TypeScript cheatsheet — typed handlers, middleware, error handling. Python Cheatsheet 15 — stdlib logging Configuration https://blog.rajpoot.dev/cheatsheets/python/15-logging-cheatsheet/ Sun, 17 May 2026 08:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/python/15-logging-cheatsheet/ Python stdlib logging — setup, handlers, formatters, JSON output. Pydantic Cheatsheet 15 — Recursive Models and Forward References https://blog.rajpoot.dev/cheatsheets/pydantic/15-recursive-models-cheatsheet/ Thu, 14 May 2026 08:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/pydantic/15-recursive-models-cheatsheet/ Pydantic v2 recursive models, forward refs, mutually-recursive models. SQLAlchemy + Postgres Cheatsheet 15 — Maintenance (VACUUM, ANALYZE, REINDEX) https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/15-maintenance-cheatsheet/ Wed, 13 May 2026 08:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/15-maintenance-cheatsheet/ Postgres maintenance — VACUUM, ANALYZE, REINDEX, bloat checks, autovacuum tuning. SQLAlchemy + Postgres Cheatsheet 15 — Replication, Read Replicas, and Failover https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/15-replication-failover-cheatsheet/ Wed, 13 May 2026 08:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/15-replication-failover-cheatsheet/ Postgres replication via SQLAlchemy — write/read engines, multi-host failover. SQLAlchemy Cheatsheet 15 — Common Pitfalls and Fixes https://blog.rajpoot.dev/cheatsheets/sqlalchemy/15-common-pitfalls-cheatsheet/ Tue, 12 May 2026 08:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy/15-common-pitfalls-cheatsheet/ SQLAlchemy 2.0 common pitfalls cheatsheet — the bugs you'll hit and how to fix them. FastAPI Cheatsheet 15 — Common Errors and How to Fix Them https://blog.rajpoot.dev/cheatsheets/fastapi/15-common-errors-cheatsheet/ Mon, 11 May 2026 08:20:00 +0530 https://blog.rajpoot.dev/cheatsheets/fastapi/15-common-errors-cheatsheet/ FastAPI common-errors cheatsheet — the recurring failures and quick fixes. ClickHouse Cheatsheet 16 — Best Practices https://blog.rajpoot.dev/cheatsheets/clickhouse/16-best-practices-cheatsheet/ Fri, 29 May 2026 08:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/clickhouse/16-best-practices-cheatsheet/ ClickHouse best practices. MongoDB Cheatsheet 16 — Time-Series Collections https://blog.rajpoot.dev/cheatsheets/mongodb/16-timeseries-cheatsheet/ Thu, 28 May 2026 08:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/mongodb/16-timeseries-cheatsheet/ MongoDB time-series — collections, granularity, $bucket. Redis Cheatsheet 16 — Monitoring and Tuning https://blog.rajpoot.dev/cheatsheets/redis/16-monitoring-cheatsheet/ Wed, 27 May 2026 08:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/redis/16-monitoring-cheatsheet/ Redis monitoring — INFO, slowlog, exporters. AI/LLM Cheatsheet 16 — Vector DBs Deep Dive https://blog.rajpoot.dev/cheatsheets/ai-llm/16-vector-dbs-cheatsheet/ Tue, 26 May 2026 08:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/ai-llm/16-vector-dbs-cheatsheet/ Vector DBs — Qdrant, Pinecone, pgvector, comparison. Linux Cheatsheet 16 — Security Hardening https://blog.rajpoot.dev/cheatsheets/linux/16-hardening-cheatsheet/ Mon, 25 May 2026 08:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/linux/16-hardening-cheatsheet/ Linux hardening — SSH, firewall, fail2ban, kernel. Nginx Cheatsheet 16 — High Availability https://blog.rajpoot.dev/cheatsheets/nginx/16-ha-cheatsheet/ Sun, 24 May 2026 08:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/nginx/16-ha-cheatsheet/ Nginx HA — keepalived, DNS, anycast, multi-region. Kubernetes Cheatsheet 16 — Networking Deep Dive https://blog.rajpoot.dev/cheatsheets/kubernetes/16-networking-deep-cheatsheet/ Sat, 23 May 2026 08:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/kubernetes/16-networking-deep-cheatsheet/ K8s networking — CNI, pod networking, DNS, dual-stack. Docker Cheatsheet 16 — CI/CD with Docker https://blog.rajpoot.dev/cheatsheets/docker/16-cicd-cheatsheet/ Fri, 22 May 2026 08:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/docker/16-cicd-cheatsheet/ Docker in CI/CD — GitHub Actions, GitLab CI, build cache, deploy. Django Cheatsheet 16 — Django Channels (WebSockets) https://blog.rajpoot.dev/cheatsheets/django/16-channels-cheatsheet/ Thu, 21 May 2026 08:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/django/16-channels-cheatsheet/ Django Channels — WebSockets, consumers, groups, channel layers. Next.js Cheatsheet 16 — Internationalization (i18n) https://blog.rajpoot.dev/cheatsheets/nextjs/16-i18n-cheatsheet/ Wed, 20 May 2026 08:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/nextjs/16-i18n-cheatsheet/ Next.js i18n cheatsheet — next-intl, routing, translations, plurals. React Cheatsheet 16 — Portals and Popovers https://blog.rajpoot.dev/cheatsheets/react/16-portals-cheatsheet/ Tue, 19 May 2026 08:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/react/16-portals-cheatsheet/ React portals cheatsheet — createPortal, modals, popovers, tooltips. TypeScript Cheatsheet 16 — tsup, esbuild, and Bundling https://blog.rajpoot.dev/cheatsheets/typescript/16-bundling-cheatsheet/ Mon, 18 May 2026 08:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/typescript/16-bundling-cheatsheet/ TypeScript bundling cheatsheet — tsup, esbuild, tsx, unbuild. Python Cheatsheet 16 — Sets, Dicts, and Common Patterns https://blog.rajpoot.dev/cheatsheets/python/16-sets-dicts-cheatsheet/ Sun, 17 May 2026 08:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/python/16-sets-dicts-cheatsheet/ Python sets and dicts cheatsheet — operations, comprehensions, common patterns. Pydantic Cheatsheet 16 — Computed Fields https://blog.rajpoot.dev/cheatsheets/pydantic/16-computed-fields-cheatsheet/ Thu, 14 May 2026 08:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/pydantic/16-computed-fields-cheatsheet/ Pydantic v2 computed_field — derived attributes in output. SQLAlchemy + Postgres Cheatsheet 16 — Postgres Extensions https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/16-extensions-cheatsheet/ Wed, 13 May 2026 08:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/16-extensions-cheatsheet/ Postgres extensions — pg_trgm, citext, uuid-ossp, pg_partman, pg_cron, pgvector, postgis. SQLAlchemy + Postgres Cheatsheet 16 — VACUUM, Bloat, and Maintenance https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/16-vacuum-maintenance-cheatsheet/ Wed, 13 May 2026 08:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/16-vacuum-maintenance-cheatsheet/ Postgres maintenance — VACUUM, ANALYZE, bloat, REINDEX, autovacuum tuning. SQLAlchemy Cheatsheet 16 — Type Annotations and Mapped Style https://blog.rajpoot.dev/cheatsheets/sqlalchemy/16-type-annotations-cheatsheet/ Tue, 12 May 2026 08:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy/16-type-annotations-cheatsheet/ SQLAlchemy 2.0 type-annotation cheatsheet — Mapped, mapped_column, type_annotation_map, custom types. FastAPI Cheatsheet 16 — Pagination Patterns https://blog.rajpoot.dev/cheatsheets/fastapi/16-pagination-patterns-cheatsheet/ Mon, 11 May 2026 08:30:00 +0530 https://blog.rajpoot.dev/cheatsheets/fastapi/16-pagination-patterns-cheatsheet/ FastAPI pagination cheatsheet — offset, cursor, keyset, opaque cursors, generic Page model. ClickHouse Cheatsheet 17 — Integration Patterns https://blog.rajpoot.dev/cheatsheets/clickhouse/17-integration-cheatsheet/ Fri, 29 May 2026 08:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/clickhouse/17-integration-cheatsheet/ ClickHouse integration — Python, Node, Grafana. MongoDB Cheatsheet 17 — Vector Search (Atlas) https://blog.rajpoot.dev/cheatsheets/mongodb/17-vector-cheatsheet/ Thu, 28 May 2026 08:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/mongodb/17-vector-cheatsheet/ MongoDB Atlas vector search — kNN, embeddings. Redis Cheatsheet 17 — Anti-patterns https://blog.rajpoot.dev/cheatsheets/redis/17-antipatterns-cheatsheet/ Wed, 27 May 2026 08:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/redis/17-antipatterns-cheatsheet/ Redis anti-patterns — what to avoid. AI/LLM Cheatsheet 17 — Observability for LLMs https://blog.rajpoot.dev/cheatsheets/ai-llm/17-observability-cheatsheet/ Tue, 26 May 2026 08:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/ai-llm/17-observability-cheatsheet/ LLM observability — LangSmith, Helicone, traces, metrics. Linux Cheatsheet 17 — Performance Tuning https://blog.rajpoot.dev/cheatsheets/linux/17-perf-cheatsheet/ Mon, 25 May 2026 08:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/linux/17-perf-cheatsheet/ Linux performance — tools, sysctl, scheduler, I/O. Nginx Cheatsheet 17 — Nginx as API Gateway https://blog.rajpoot.dev/cheatsheets/nginx/17-api-gateway-cheatsheet/ Sun, 24 May 2026 08:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/nginx/17-api-gateway-cheatsheet/ Nginx as API gateway — routing, auth, transform. Kubernetes Cheatsheet 17 — Stateful Workloads https://blog.rajpoot.dev/cheatsheets/kubernetes/17-stateful-workloads-cheatsheet/ Sat, 23 May 2026 08:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/kubernetes/17-stateful-workloads-cheatsheet/ Stateful workloads in K8s — Postgres operator, Redis, Kafka, considerations. Docker Cheatsheet 17 — Slim Images Per Language https://blog.rajpoot.dev/cheatsheets/docker/17-slim-images-cheatsheet/ Fri, 22 May 2026 08:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/docker/17-slim-images-cheatsheet/ Minimal Docker images for Python, Node, Go, Rust, Java. Django Cheatsheet 17 — Background Tasks Patterns https://blog.rajpoot.dev/cheatsheets/django/17-background-tasks-cheatsheet/ Thu, 21 May 2026 08:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/django/17-background-tasks-cheatsheet/ Django background tasks — Celery, RQ, dramatiq, when to choose what. Next.js Cheatsheet 17 — Authentication Patterns https://blog.rajpoot.dev/cheatsheets/nextjs/17-auth-patterns-cheatsheet/ Wed, 20 May 2026 08:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/nextjs/17-auth-patterns-cheatsheet/ Next.js auth patterns — session strategies, route protection, RBAC. React Cheatsheet 17 — Drag and Drop https://blog.rajpoot.dev/cheatsheets/react/17-drag-and-drop-cheatsheet/ Tue, 19 May 2026 08:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/react/17-drag-and-drop-cheatsheet/ React drag and drop cheatsheet — dnd-kit, HTML5 DnD, native pointer events. TypeScript Cheatsheet 17 — Monorepos with pnpm and TS https://blog.rajpoot.dev/cheatsheets/typescript/17-monorepos-cheatsheet/ Mon, 18 May 2026 08:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/typescript/17-monorepos-cheatsheet/ TypeScript monorepo cheatsheet — pnpm workspaces, turbo, project refs. Python Cheatsheet 17 — Strings, f-strings, and Encoding https://blog.rajpoot.dev/cheatsheets/python/17-strings-encoding-cheatsheet/ Sun, 17 May 2026 08:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/python/17-strings-encoding-cheatsheet/ Python strings cheatsheet — f-strings, encoding, slicing, common methods. Pydantic Cheatsheet 17 — pydantic.dataclasses https://blog.rajpoot.dev/cheatsheets/pydantic/17-dataclass-cheatsheet/ Thu, 14 May 2026 08:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/pydantic/17-dataclass-cheatsheet/ Pydantic v2 dataclass integration — when to use, when to skip. SQLAlchemy + Postgres Cheatsheet 17 — pg_stat_statements and Slow Queries https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/17-pg-stat-slow-queries-cheatsheet/ Wed, 13 May 2026 08:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/17-pg-stat-slow-queries-cheatsheet/ Postgres slow-query diagnosis — pg_stat_statements, auto_explain, log_min_duration_statement. SQLAlchemy Cheatsheet 17 — Inheritance and Polymorphism https://blog.rajpoot.dev/cheatsheets/sqlalchemy/17-inheritance-cheatsheet/ Tue, 12 May 2026 08:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy/17-inheritance-cheatsheet/ SQLAlchemy 2.0 inheritance cheatsheet — single-table, joined-table, concrete inheritance, polymorphic queries. FastAPI Cheatsheet 17 — Caching: HTTP, Redis, fastapi-cache https://blog.rajpoot.dev/cheatsheets/fastapi/17-caching-patterns-cheatsheet/ Mon, 11 May 2026 08:40:00 +0530 https://blog.rajpoot.dev/cheatsheets/fastapi/17-caching-patterns-cheatsheet/ FastAPI caching cheatsheet — HTTP cache headers, Redis-backed caching, fastapi-cache library. ClickHouse Cheatsheet 18 — Use Cases https://blog.rajpoot.dev/cheatsheets/clickhouse/18-use-cases-cheatsheet/ Fri, 29 May 2026 08:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/clickhouse/18-use-cases-cheatsheet/ ClickHouse use cases — logs, metrics, analytics. MongoDB Cheatsheet 18 — Atlas Search https://blog.rajpoot.dev/cheatsheets/mongodb/18-atlas-search-cheatsheet/ Thu, 28 May 2026 08:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/mongodb/18-atlas-search-cheatsheet/ Atlas Search — full-text, autocomplete, facets. Redis Cheatsheet 18 — Geo and Specialized Data https://blog.rajpoot.dev/cheatsheets/redis/18-geo-cheatsheet/ Wed, 27 May 2026 08:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/redis/18-geo-cheatsheet/ Redis geo, HLL, bitmap recipes. AI/LLM Cheatsheet 18 — LLM Application Patterns https://blog.rajpoot.dev/cheatsheets/ai-llm/18-patterns-cheatsheet/ Tue, 26 May 2026 08:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/ai-llm/18-patterns-cheatsheet/ LLM app patterns — classification, extraction, summarization, chat. Linux Cheatsheet 18 — Backups https://blog.rajpoot.dev/cheatsheets/linux/18-backups-cheatsheet/ Mon, 25 May 2026 08:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/linux/18-backups-cheatsheet/ Linux backups — rsync, restic, borg, snapshots. Nginx Cheatsheet 18 — Common Patterns https://blog.rajpoot.dev/cheatsheets/nginx/18-patterns-cheatsheet/ Sun, 24 May 2026 08:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/nginx/18-patterns-cheatsheet/ Nginx common patterns — redirects, www, mirror, A/B. Kubernetes Cheatsheet 18 — Local Dev (Kind, k3d, minikube) https://blog.rajpoot.dev/cheatsheets/kubernetes/18-local-dev-cheatsheet/ Sat, 23 May 2026 08:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/kubernetes/18-local-dev-cheatsheet/ Local K8s for dev — kind, k3d, minikube, Tilt, Skaffold. Docker Cheatsheet 18 — Compose for Dev https://blog.rajpoot.dev/cheatsheets/docker/18-compose-dev-cheatsheet/ Fri, 22 May 2026 08:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/docker/18-compose-dev-cheatsheet/ docker compose for development — hot reload, devcontainers, profiles. Django Cheatsheet 18 — Logging and Monitoring https://blog.rajpoot.dev/cheatsheets/django/18-logging-cheatsheet/ Thu, 21 May 2026 08:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/django/18-logging-cheatsheet/ Django logging cheatsheet — LOGGING, structlog, Sentry, request log. Next.js Cheatsheet 18 — Edge Runtime https://blog.rajpoot.dev/cheatsheets/nextjs/18-edge-runtime-cheatsheet/ Wed, 20 May 2026 08:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/nextjs/18-edge-runtime-cheatsheet/ Next.js edge runtime cheatsheet — when to use, limitations, common patterns. React Cheatsheet 18 — Animations (Motion / Framer Motion) https://blog.rajpoot.dev/cheatsheets/react/18-animations-cheatsheet/ Tue, 19 May 2026 08:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/react/18-animations-cheatsheet/ React animations cheatsheet — Motion library, layout animations, gestures. TypeScript Cheatsheet 18 — Async Patterns https://blog.rajpoot.dev/cheatsheets/typescript/18-async-patterns-cheatsheet/ Mon, 18 May 2026 08:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/typescript/18-async-patterns-cheatsheet/ Async TypeScript cheatsheet — Promises, async/await, AbortController, concurrency. Python Cheatsheet 18 — Exceptions and Error Handling https://blog.rajpoot.dev/cheatsheets/python/18-exceptions-cheatsheet/ Sun, 17 May 2026 08:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/python/18-exceptions-cheatsheet/ Python exception handling — try/except/finally, ExceptionGroup, custom exceptions. Pydantic Cheatsheet 18 — Common Domain Types (IDs, Money, Phone, Email) https://blog.rajpoot.dev/cheatsheets/pydantic/18-common-domain-types-cheatsheet/ Thu, 14 May 2026 08:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/pydantic/18-common-domain-types-cheatsheet/ Pydantic v2 common domain types — IDs, money, phone numbers, dates, URLs. SQLAlchemy + Postgres Cheatsheet 18 — Backup, PITR, and Restore https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/18-backup-pitr-cheatsheet/ Wed, 13 May 2026 08:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/18-backup-pitr-cheatsheet/ Postgres backups, PITR, pgBackRest, restore drills. SQLAlchemy Cheatsheet 18 — Hybrid Properties, Computed Columns, and Aggregates https://blog.rajpoot.dev/cheatsheets/sqlalchemy/18-hybrid-computed-cheatsheet/ Tue, 12 May 2026 08:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy/18-hybrid-computed-cheatsheet/ SQLAlchemy 2.0 hybrid_property / computed_column / column_property cheatsheet. FastAPI Cheatsheet 18 — Streaming and LLM Integration https://blog.rajpoot.dev/cheatsheets/fastapi/18-streaming-llm-cheatsheet/ Mon, 11 May 2026 08:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/fastapi/18-streaming-llm-cheatsheet/ FastAPI LLM streaming cheatsheet — Anthropic / OpenAI / vLLM streaming, tool calls, cancellation. ClickHouse Cheatsheet 19 — Common Pitfalls https://blog.rajpoot.dev/cheatsheets/clickhouse/19-pitfalls-cheatsheet/ Fri, 29 May 2026 09:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/clickhouse/19-pitfalls-cheatsheet/ ClickHouse pitfalls — what to avoid. MongoDB Cheatsheet 19 — Migration from SQL https://blog.rajpoot.dev/cheatsheets/mongodb/19-sql-migration-cheatsheet/ Thu, 28 May 2026 09:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/mongodb/19-sql-migration-cheatsheet/ SQL → MongoDB — mapping concepts. Redis Cheatsheet 19 — Common Use Cases https://blog.rajpoot.dev/cheatsheets/redis/19-use-cases-cheatsheet/ Wed, 27 May 2026 09:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/redis/19-use-cases-cheatsheet/ Redis use cases — cache, queue, leaderboard, search. AI/LLM Cheatsheet 19 — Building Chat UI https://blog.rajpoot.dev/cheatsheets/ai-llm/19-chat-ui-cheatsheet/ Tue, 26 May 2026 09:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/ai-llm/19-chat-ui-cheatsheet/ Chat UI — streaming, markdown, tool indicators. Linux Cheatsheet 19 — Debugging https://blog.rajpoot.dev/cheatsheets/linux/19-debugging-cheatsheet/ Mon, 25 May 2026 09:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/linux/19-debugging-cheatsheet/ Linux debugging — strace, gdb, perf, core dumps. Nginx Cheatsheet 19 — Debugging Nginx https://blog.rajpoot.dev/cheatsheets/nginx/19-debugging-cheatsheet/ Sun, 24 May 2026 09:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/nginx/19-debugging-cheatsheet/ Nginx debugging — error log, debug build, strace, common errors. Kubernetes Cheatsheet 19 — Debugging in K8s https://blog.rajpoot.dev/cheatsheets/kubernetes/19-debugging-cheatsheet/ Sat, 23 May 2026 09:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/kubernetes/19-debugging-cheatsheet/ Kubernetes debugging — pods, networks, DNS, events. Docker Cheatsheet 19 — Persistent Data Backups https://blog.rajpoot.dev/cheatsheets/docker/19-backups-cheatsheet/ Fri, 22 May 2026 09:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/docker/19-backups-cheatsheet/ Docker data backups — Postgres, MySQL, volumes, S3 sync. Django Cheatsheet 19 — Performance Optimization https://blog.rajpoot.dev/cheatsheets/django/19-performance-cheatsheet/ Thu, 21 May 2026 09:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/django/19-performance-cheatsheet/ Django performance — query optimization, caching, connection pooling. Next.js Cheatsheet 19 — File Uploads https://blog.rajpoot.dev/cheatsheets/nextjs/19-uploads-cheatsheet/ Wed, 20 May 2026 09:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/nextjs/19-uploads-cheatsheet/ Next.js file upload cheatsheet — direct, presigned URLs, S3, R2. React Cheatsheet 19 — Lists and Virtualization https://blog.rajpoot.dev/cheatsheets/react/19-virtualization-cheatsheet/ Tue, 19 May 2026 09:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/react/19-virtualization-cheatsheet/ React list cheatsheet — keys, virtualization, infinite scroll. TypeScript Cheatsheet 19 — Decorators (Stage 3) https://blog.rajpoot.dev/cheatsheets/typescript/19-decorators-cheatsheet/ Mon, 18 May 2026 09:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/typescript/19-decorators-cheatsheet/ TypeScript decorators cheatsheet — Stage 3, class, method, field decorators. Python Cheatsheet 19 — Testing Patterns Beyond pytest Basics https://blog.rajpoot.dev/cheatsheets/python/19-testing-patterns-cheatsheet/ Sun, 17 May 2026 09:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/python/19-testing-patterns-cheatsheet/ Advanced Python testing — mock, snapshot, property-based, factory. Pydantic Cheatsheet 19 — Testing Pydantic Models https://blog.rajpoot.dev/cheatsheets/pydantic/19-testing-cheatsheet/ Thu, 14 May 2026 09:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/pydantic/19-testing-cheatsheet/ Pydantic testing patterns — parametrized validation tests, factories, error matching. SQLAlchemy + Postgres Cheatsheet 19 — Operational Patterns https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/19-operational-patterns-cheatsheet/ Wed, 13 May 2026 09:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/19-operational-patterns-cheatsheet/ Production operational patterns — PgBouncer, role separation, statement timeouts, connection limits. SQLAlchemy Cheatsheet 19 — Change Feeds, Outbox, and Logical Replication https://blog.rajpoot.dev/cheatsheets/sqlalchemy/19-change-feeds-cheatsheet/ Tue, 12 May 2026 09:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy/19-change-feeds-cheatsheet/ SQLAlchemy change-feed cheatsheet — outbox pattern, CDC, logical replication, SKIP LOCKED workers. FastAPI Cheatsheet 19 — Health, Probes, and Lifespan https://blog.rajpoot.dev/cheatsheets/fastapi/19-health-probes-cheatsheet/ Mon, 11 May 2026 09:00:00 +0530 https://blog.rajpoot.dev/cheatsheets/fastapi/19-health-probes-cheatsheet/ FastAPI health / readiness / probes cheatsheet — lifespan, dependency check endpoints, K8s integration. ClickHouse Cheatsheet 20 — Production Setup https://blog.rajpoot.dev/cheatsheets/clickhouse/20-production-cheatsheet/ Fri, 29 May 2026 09:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/clickhouse/20-production-cheatsheet/ Production ClickHouse. MongoDB Cheatsheet 20 — Production Setup https://blog.rajpoot.dev/cheatsheets/mongodb/20-production-cheatsheet/ Thu, 28 May 2026 09:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/mongodb/20-production-cheatsheet/ Production MongoDB — config, ops, checklist. Redis Cheatsheet 20 — Production Setup https://blog.rajpoot.dev/cheatsheets/redis/20-production-cheatsheet/ Wed, 27 May 2026 09:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/redis/20-production-cheatsheet/ Production Redis — config, security, ops. AI/LLM Cheatsheet 20 — Production LLM App https://blog.rajpoot.dev/cheatsheets/ai-llm/20-production-cheatsheet/ Tue, 26 May 2026 09:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/ai-llm/20-production-cheatsheet/ Production LLM app — architecture, ops, security. Linux Cheatsheet 20 — Production Server Setup https://blog.rajpoot.dev/cheatsheets/linux/20-server-setup-cheatsheet/ Mon, 25 May 2026 09:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/linux/20-server-setup-cheatsheet/ Linux production server — hardening, monitoring, ops checklist. Nginx Cheatsheet 20 — Production Nginx Setup https://blog.rajpoot.dev/cheatsheets/nginx/20-production-setup-cheatsheet/ Sun, 24 May 2026 09:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/nginx/20-production-setup-cheatsheet/ Production-ready Nginx config — full setup. Kubernetes Cheatsheet 20 — Production Setup https://blog.rajpoot.dev/cheatsheets/kubernetes/20-production-setup-cheatsheet/ Sat, 23 May 2026 09:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/kubernetes/20-production-setup-cheatsheet/ Kubernetes production setup — cluster, ingress, observability, GitOps. Docker Cheatsheet 20 — Production Docker Setup https://blog.rajpoot.dev/cheatsheets/docker/20-production-setup-cheatsheet/ Fri, 22 May 2026 09:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/docker/20-production-setup-cheatsheet/ Production Docker setup — daemon config, security, monitoring, deployment. Django Cheatsheet 20 — Modern Django Project Setup https://blog.rajpoot.dev/cheatsheets/django/20-project-setup-cheatsheet/ Thu, 21 May 2026 09:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/django/20-project-setup-cheatsheet/ Modern Django project setup — uv, DRF, Celery, Postgres, Docker, CI. Next.js Cheatsheet 20 — Modern Next.js Project Setup https://blog.rajpoot.dev/cheatsheets/nextjs/20-project-setup-cheatsheet/ Wed, 20 May 2026 09:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/nextjs/20-project-setup-cheatsheet/ Modern Next.js project setup — App Router, Tailwind, Auth.js, Prisma, tests. React Cheatsheet 20 — Modern React Project Setup https://blog.rajpoot.dev/cheatsheets/react/20-project-setup-cheatsheet/ Tue, 19 May 2026 09:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/react/20-project-setup-cheatsheet/ Modern React project setup — Vite, TypeScript, ESLint, Vitest, Tailwind. TypeScript Cheatsheet 20 — Modern TypeScript Project Setup https://blog.rajpoot.dev/cheatsheets/typescript/20-project-setup-cheatsheet/ Mon, 18 May 2026 09:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/typescript/20-project-setup-cheatsheet/ Modern TypeScript project setup — tsconfig, eslint, prettier, vitest, tsup, CI. Python Cheatsheet 20 — Modern Project Setup (uv + ruff + mypy + pytest) https://blog.rajpoot.dev/cheatsheets/python/20-project-setup-cheatsheet/ Sun, 17 May 2026 09:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/python/20-project-setup-cheatsheet/ Modern Python project setup — uv, ruff, mypy, pytest, pyproject.toml. Pydantic Cheatsheet 20 — Migration v1 → v2 https://blog.rajpoot.dev/cheatsheets/pydantic/20-migration-v1-v2-cheatsheet/ Thu, 14 May 2026 09:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/pydantic/20-migration-v1-v2-cheatsheet/ Pydantic v1 → v2 migration cheatsheet — renames, API differences, gotchas. SQLAlchemy + Postgres Cheatsheet 20 — Useful Postgres Extensions https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/20-extensions-cheatsheet/ Wed, 13 May 2026 09:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy-postgres/20-extensions-cheatsheet/ Postgres extensions catalog — the ones you'll actually use. SQLAlchemy Cheatsheet 20 — Recipes (Pagination, Filtering, Sorting, Bulk) https://blog.rajpoot.dev/cheatsheets/sqlalchemy/20-recipes-cheatsheet/ Tue, 12 May 2026 09:10:00 +0530 https://blog.rajpoot.dev/cheatsheets/sqlalchemy/20-recipes-cheatsheet/ SQLAlchemy 2.0 recipes — cursor pagination, dynamic filtering, sort builders, bulk upsert. FastAPI Cheatsheet 20 — Production Checklist https://blog.rajpoot.dev/cheatsheets/fastapi/20-production-checklist-cheatsheet/ Mon, 11 May 2026 07:50:00 +0530 https://blog.rajpoot.dev/cheatsheets/fastapi/20-production-checklist-cheatsheet/ FastAPI production checklist — every box to tick before going live.