Simon Willison’s Weblog

2nd November 2007 - Link Blog

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

DeepSeek V4 - almost on the frontier, a fraction of the price - 24th April 2026
Extract PDF text in your browser with LiteParse for the web - 23rd April 2026
A pelican for GPT-5.5 via the semi-official Codex backdoor API - 23rd April 2026

This is a link post by Simon Willison, posted on 2nd November 2007.

binary 5 bits 1 bittwiddling 1 hacks 10 programming 158

Monthly briefing

Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments.

Pay me to send you less!

Sponsor & subscribe