Simon Willison’s Weblog

Bit Twiddling Hacks. I’ve never been much of a bit twiddler, but I’ve always felt I should learn.

Posted 2nd November 2007 at 6:49 am

Recent articles

First impressions of Claude Cowork, Anthropic's general agent - 12th January 2026
My answers to the questions I posed about porting open source code with LLMs - 11th January 2026
Fly's new Sprites.dev addresses both developer sandboxes and API sandboxes at the same time - 9th January 2026

binary 5 bits 1 bittwiddling 1 hacks 10 programming 157

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