Simon Willison’s Weblog

22nd December 2007 - Link Blog

Speeding up dateutil: Python's heapq module turns minutes into seconds. Neat case study in data structure optimisation.

Posted 22nd December 2007 at 1:07 pm

Recent articles

The Axios supply chain attack used individually targeted social engineering - 3rd April 2026
Highlights from my conversation about agentic engineering on Lenny's Podcast - 2nd April 2026
Mr. Chatterbox is a (weak) Victorian-era ethically trained model you can run on your own computer - 30th March 2026

This is a link post by Simon Willison, posted on 22nd December 2007.

brian-beck 2 data-structures 6 dateutil 2 heapq 1 python 1240

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