Fun quicksort-based sorting algorithm. Also mysterious. Why swap four pairs at those particular spots?

Another coronavirus visualization. This one focuses on comparing the future of the outbreak by state depending on whether we take a more Italy-like or South Korea-like approach.

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some combination of crashing my team's service, shilling, and thinking you guys might be curious:

Some surprising (at least to me) optimizations that smart compilers can make:

Robo Collective

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