How does Sidekiq really work? (via) I really like this category of blog post: Dan Svetlov took the time to explore the Sidekiq message queue’s implementation and then wrote it up in depth.
Recent articles
- Reverse engineering Codex CLI to get GPT-5-Codex-Mini to draw me a pelican - 9th November 2025
- Video + notes on upgrading a Datasette plugin for the latest 1.0 alpha, with help from uv and OpenAI Codex CLI - 6th November 2025
- Code research projects with async coding agents like Claude Code and Codex - 6th November 2025