Writing

The Iteration Log.

Practical guides on engineering, design, and the craft of building on the web for curious developers.

The JavaScript event loop, explained with a coffee shop

One barista, two queues, and a rule about regulars. A mental model for how JavaScript handles one thing at a time without feeling slow.

The full rundown of my Arch Linux setup: Hyprland, WezTerm, Neovim, and every CLI tool I daily drive. What works, what doesn't, and why I chose it.

One barista, two queues, and a rule about regulars. A mental model for how JavaScript handles one thing at a time without feeling slow.

The network will drop your request, the client will retry, and POST /payments will run twice. Idempotency keys are how you make 'try again' harmless.

SIGTERM arrives, the process dies mid-request, and users see 502s during every deploy. Graceful shutdown is the fix. Here's how to do it right.

Stateless tokens or server-side sessions? The answer depends on who's using your API. Here's how to pick without cargo-culting either side.

You know that awkward dance between 'as' assertions and letting TypeScript infer everything? satisfies is the middle ground you've been missing.