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63 posts
Stop Treating localStorage Like a Database (It Will Bite You in Production)
localStorage has a 5-10MB limit, throws QuotaExceededError silently, and vanishes in Safari private browsing. Here are the five ways it breaks in production and what to use instead.
JavaScript Monorepo Setup That Doesn't Make You Want to Quit
A practical javascript monorepo setup using npm workspaces and Turborepo. Real folder structures, shared TypeScript packages, and fixes for the errors you'll actually hit.
Node.js Auth in 2026: Passport.js Is Dead, Here's What Replaced It
The Node.js authentication landscape in 2026 splits into three camps: managed services like Clerk, self-hosted libraries like Better Auth, and framework-native solutions like Auth.js. A fair comparison of when to pick each.
Why the Most Productive Developers Aren't the Loudest AI Users
The METR study found AI tools make experienced developers 19% slower. The most productive developers use AI selectively and quietly. The loudest adopters ship the least.
The Self-Hosted Developer Stack: Cancel Everything, Own Everything
Self-hosted developer tools in 2026 replace $200+/month in SaaS with a single $20/month VPS. After migrating 8 services off managed platforms, here is every tool, the migration difficulty, and what to skip.
TypeScript Types Have Gone Too Far (And What to Do About It)
TypeScript type complexity has become a status symbol. When the type definition is longer than the function it describes, something went wrong. Here is what actually works.
AI Agents in Production: What Actually Works After 6 Months
Most AI agent projects die between demo and production. After 6 months running agents at scale, these are the patterns that survived: model routing, trace-based debugging, loop detection, and hard cost ceilings.
Building an MCP Server From Scratch (The Parts Nobody Explains)
Build an MCP server in TypeScript from zero. Covers the handshake, Streamable HTTP transport, OAuth 2.1 auth, error codes the SDK swallows, and production deployment patterns.
Every Claude Code Environment Variable That Actually Matters
All 40+ Claude Code environment variables grouped by what they do. API keys, Bedrock, Vertex, Foundry, CI/CD, and the billing gotcha nobody warns about.