Simon Willison’s Weblog

Could Rails have been built without Ruby? Fascinating essay about how Ruby, like Lisp, lets you build new languages.

Posted 15th April 2005 at 5:42 pm

Recent articles

V&A East Storehouse and Operation Mincemeat in London - 27th August 2025
The Summer of Johann: prompt injections as far as the eye can see - 15th August 2025
Open weight LLMs exhibit inconsistent performance across providers - 15th August 2025

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