Subresource Integrity. Now supported in Firefox 55, Chrome 49+ and Safari 11+. This makes me much more comfortable about hot-linking to JavaScript and CSS hosted by the various CDN providers, since it means that should they get breached any evil new scripts hosted at the same URL will be denied by modern browsers.
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