Simon Willison’s Weblog

16th November 2009 - Link Blog

10 Uses for Blocks in C/Objective-C. Part of the Cocoa for Scientists series, which is by far the best free Objective-C / Cocoa tutorial I’ve seen anywhere.

Posted 16th November 2009 at 2:27 pm

Recent articles

Writing about Agentic Engineering Patterns - 23rd February 2026
Adding TILs, releases, museums, tools and research to my blog - 20th February 2026
Two new Showboat tools: Chartroom and datasette-showboat - 17th February 2026

This is a link post by Simon Willison, posted on 16th November 2009.

blocks 4 closures 22 cocoa 2 macos 104 objectivec 8 science 20

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