Posts from November 2019 [ on iamcal.com ]

Posts from November 2019

Nov 18th: I love the sheer bloody mindedness of these fake oyster card stickers to place of your real oyster card

Nov 5th: I haven't completed all of the Regex Crossword puzzles (the hex ones get pretty tricky) but they're really nicely done

This is the personal website of Cal Henderson, Slack co-founder & CTO.

I give occasional talks, write code and sometimes articles.

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