Best of 2026

The blog posts Hacker News loved most in 2026. 5,929 posts.

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2825

What is malloc doing, anyway?

malloc has a very nice and simple interface: you ask for a certain amount of memory, and you’re given a void pointer to your block of contiguous bytes that’s been magicked into existence. Once you’re done with it, you call free with the same pointer and the memory disappears into the ether.

2827

Racket v9.2

_posted by Stephen De Gabrielle and John Clements_ We are pleased to announce Racket v9.2 is now available from https://download.racket-lang.org/. As of this release:: The `match` form checks that when non-linear patterns (patterns where the same vari...