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  1. For moonchild.

  2. Monoid-augmented FIFOs, deamortised

    Nothing novel, just a different presentation for a decade-old data structure.

  3. Like many, when I first saw VPTERNLOG, my reaction was “\(\log_2(3) \approx 1.58\) is a nice reduction in depth, but my code mostly doesn’t have super deep reductions.”

  4. Per Vognsen sent me a link to Maziarz et al’s Hashing Modulo Alpha-Equivalence because its Lemma 6.6 claims to solve a thorny problem we have both encountered several times.

  5. Plan B for UUIDs: double AES-128

    It looks like internauts are having another go at the “UUID as primary key” debate, where the fundamental problem is the tension between nicely structured primary keys that tend to improve spatial locality in the storage engine, and unique but otherwise o…