An interactive guide to the browser View Transition API and React's Activity + ViewTransition + startTransition model — with live demos you can drive: a list→detail morph, a real <Activity> state-preservation test, and a playground that writes the CSS for you.

A practical, interactive field guide to working with Claude Code — context, prompts, models, skills, and how Anthropic's own teams actually use it.

How I built listener.app — bookmark a moment in a live Zoom meeting and get a highlight before it ends. Chunked recording, `ffmpeg -c copy` via fluent-ffmpeg on a Node Lambda, S3, Mongo, and SQS — with an interactive architecture diagram.