Simon Willison’s Weblog

The rsync algorithm. The glorious technical details

Posted 27th November 2003 at 1:03 am

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Using GitHub Spark to reverse engineer GitHub Spark - 24th July 2025
Vibe scraping and vibe coding a schedule app for Open Sauce 2025 entirely on my phone - 17th July 2025
Happy 20th birthday Django! Here's my talk on Django Origins from Django's 10th - 13th July 2025

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