A few years ago I designed a way to detect bit-flips in Firefox crash reports and last year we deployed an actual memory tester that runs on user machines after the browser crashes. Today I was looking at the data that comes out of these tests and now I'm 100% positive that the heuristic is sound and a lot of the crashes we see are from users with bad memory or similarly flaky hardware. Here's a few numbers to give you an idea of how large the problem is. 1/5

I’ve been waiting for frozendict() in python for so long. it was such a strange omission when frozenset() exists

yesterday I was thinking of writing some code as a good luck charm, a function that converts between two ancient non-class enums that have the same numeric values