PHP 8.4's asymmetric visibility lets a property be public to read but private to write. I deleted a stack of getters. Here's the syntax, the…
I finally moved a production app from the Next.js Pages Router to the App Router. The real data-fetching and layout rewrite, plus what annoyed me.
I avoided Rust macros for a year, then learned them in a weekend. Here is when macro_rules! earns its place, when to skip proc macros,…
In FastAPI, async def is a promise not a superpower. Here's the def vs async def rule I use, the incident that taught me the…
I ran Claude's prompt caching in production for six months. Here's the cache_control setup, TTL trade-offs, and the anti-patterns that burned me.
The Go error handling patterns I actually ship in 2026: wrapping with %w, errors.Is vs errors.As, and killing the log-and-return anti-pattern.
How I moved a Go backend from zap to the stdlib log/slog package, the handler config I use in prod, and what I quietly miss…
vLLM and Ollama solve different problems. Here's the concurrency-based rule I use to pick between them in 2026 — and why single-user benchmarks lie.
How I replaced hand-rolled optimistic UI code with React 19's useOptimistic hook. Real patterns, gotchas from two weeks of production, and when to skip it.
I ran Laravel queues on queue:work + supervisord for two years, then a 3am alert made me switch to Horizon. Here's the config that actually…