Polars in 2026 — The DataFrame Library Replacing Pandas in Production

Why Polars is the right DataFrame library for production Python in 2026 — lazy execution, Arrow-backed columnar engine, query optimization, the API differences from Pandas, and a pragmatic migration path.

April 30, 2026 · 5 min · 1026 words · Manvendra Rajpoot

SvelteKit vs Astro for Content Sites in 2026 — Which One Wins

When to pick SvelteKit vs Astro for content sites in 2026. Islands architecture, hydration cost, MDX, image optimization, view transitions, and a clear by-use-case recommendation.

April 29, 2026 · 7 min · 1347 words · Manvendra Rajpoot

PostgreSQL 18 — Async I/O, UUIDv7, Virtual Generated Columns, and What Actually Matters

A focused walkthrough of PostgreSQL 18 for application developers — async I/O, native uuidv7(), virtual generated columns, OAuth auth, EXPLAIN buffer reporting by default, logical replication improvements, and what to know before you upgrade.

April 29, 2026 · 6 min · 1275 words · Manvendra Rajpoot

Caching Strategies in 2026 — Redis, Valkey, and the Patterns That Actually Work

Production caching strategies — cache-aside vs write-through vs write-behind, stampede prevention, hot keys, TTL design, the Redis-vs-Valkey split, and a checklist for adding caching that doesn’t bite back.

April 28, 2026 · 8 min · 1620 words · Manvendra Rajpoot

PostgreSQL JSONB Advanced Patterns — Indexing, Performance, and Pitfalls

JSONB beyond the basics — GIN with jsonb_path_ops, partial and expression indexes, generated columns for hot fields, partitioning, jsonb_set rewrites, and the mistakes that turn 12ms queries into 4 seconds.

April 28, 2026 · 7 min · 1331 words · Manvendra Rajpoot

Bun vs Node.js in 2026 — Honest Benchmarks and Migration Notes

An honest 2026 comparison of Bun and Node.js. Real benchmarks (HTTP, install, startup), native TypeScript, ecosystem compatibility, the migration gotchas, and a clear recommendation for new projects vs legacy.

April 28, 2026 · 6 min · 1204 words · Manvendra Rajpoot

pgvector Deep Dive — HNSW, IVFFlat, and Tuning Postgres for Vector Search

Everything you need to make pgvector fast in production: HNSW vs IVFFlat, distance operators, m and ef_construction, ef_search at query time, partial indexes for multi-tenant data, and benchmarking your real workload.

April 28, 2026 · 8 min · 1531 words · Manvendra Rajpoot

Redis Caching Strategies for Backend Developers

How to use Redis as a cache properly — patterns (cache-aside, read-through, write-behind), key design, TTLs, invalidation, and the production gotchas to avoid.

April 28, 2026 · 8 min · 1520 words · Manvendra Rajpoot

PostgreSQL Full-Text Search Without an Extra Service

Postgres ships with surprisingly capable full-text search built-in. Here’s how to use it for ranked text search without adding Elasticsearch to your stack.

April 28, 2026 · 7 min · 1279 words · Manvendra Rajpoot

PostgreSQL Indexing and EXPLAIN: Make Slow Queries Fast

Learn to read EXPLAIN ANALYZE output, pick the right index type for the query, and turn slow Postgres queries into fast ones — without guessing.

April 28, 2026 · 7 min · 1472 words · Manvendra Rajpoot