12. Idempotency Is Easy Until the Second Request Is Different (blog.dochia.dev)

Idempotency is not just an HTTP header or a key lookup. This article covers the failure cases that bite real APIs: different requests with the same key, concurrent retries, partial success, downstream uncertainty, response replay, expiry, and duplicate message handling.

22. Replacing a 3 GB SQLite db with a 10 MB FST (finite state transducer) binary (til.andrew-quinn.me)

Note for
numberphiles:
all numbers have been rounded to their first significant
digit, because I'm a fan of Rob Eastaway's
"zequals" method
of getting to the point when it comes to estimation. It's much
more valuable to walk away with the heuristic "some dude got
a 300x memory reduction by swapping out a database he hacked
together for a tiny, static, specialized data structure that
does exactly what he needs it to and no more."

23. Tracesofhumanity.org by Joanna Rutkowska (tracesofhumanity.org)

...or welcome back! I’ve been silent for the last 7 years and now I’m trying to resurface with this new blog :-)

Some of you might remember my previous work on Qubes OS1, a paranoid-security OS, which I started back in 2009, and led its development for the

29. I'm writing a history of Visual Basic, Chapter 1 is up (evilgeniuslabs.ca)

Starting a long-form history of Visual Basic on EvilGeniusLabs.ca. Chapter 1 covers the BASIC dynasty Microsoft had been running since 1975, the California developer Microsoft bought to put a face on it, and the launch pitch Bill Gates seeded in BYTE Magazine eighteen months before VB shipped. Six articles, focused on the parts of the story that don't get covered.

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