Favorite equation revisited

I wrote about my new favorite equation a couple months ago, but I neglected to mention an insight that has been revealed to me!

It's Tau Day today! Long live Tau! What does this have to do with my equation? Well, my equation was:

$\int_{-\infty}^{\infty} e^{-x^2} = \sqrt{\pi}$

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Crab Canon Maker In Flex

This crab canon appeared on Hacker News recently, I thought it was really pretty. I started writing my own (I'll post it whenever I finish if I think it's good enough), but noticed that it was fairly hard to do in my head. The amount of context you have to keep track of... Anyway, I took 5-10 minutes or so to write a Canon Maker in Flex that just copies what you wrote and duplicates it to mirror itself.

Source for anyone interested (also below)

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