RAG Chunking Strategies That Actually Move Quality
Chunking is the RAG decision everyone makes once and regrets quietly. Here is how the main strategies compare on real retrieval quality.
Backend Development
9 posts in Backend Development
Zero-Downtime Database Migrations: Safe Schema Changes in Production
How to deploy database schema changes without downtime: the expand-contract pattern, backward-compatible migrations, column renaming, index creation, and avoiding table locks.
Passkeys: A WebAuthn Implementation Guide
Passkeys are replacing passwords in 2026. This guide covers WebAuthn Level 3, registration and authentication ceremonies, recovery, and production setup.
DNS Deep Dive for Developers: Records, TTLs, and Debugging When Resolution Breaks
DNS is infrastructure every developer uses but few understand well enough to debug.
LLM Token Cost Optimization: Cutting Your API Bills Without Cutting Quality
LLM API costs scale with token usage, and unoptimized prompts can make costs 5-10x higher than necessary.
My Complete Docker Guide for Web Developers
I share my thorough Docker guide for web development covering installation, best practices, multi-stage builds, security, and production deployment...
How I Approach Database Sharding for Growing SaaS Applications
I share my practical guide to implementing database sharding for growing SaaS applications, covering PostgreSQL strategies for data distribution, query routing, and migration.
Building a Real-Time Dashboard with WebSockets: A Full-Stack Guide Using Node.js and Socket.io
Learn how to create a real-time dashboard using WebSockets with Node.js and Socket.io.
Rust vs. Node.js: Comparing Backends for Static Webpages
Examine the benefits and drawbacks of Rust and Node.js backends for static webpages, including migration steps and a tutorial for transitioning from Node.