Jacky (@_jzhao) / X

Jacky

1,640 posts

Jacky

@_jzhao

what the monkey calls business the horse calls play :) agents + infra @replit

Joined March 2020

Jacky
@_jzhao
Jul 30
TIL: glibc has weird behavior where free() does not return memory for interior free chunks back to the OS see: github.com/xroche/glibc-m… this is fixable by doing malloc_trim(0) however, nowhere in Node, libuv, or V8 is this called! this means for Node applications that
GitHub - xroche/glibc-malloc-hoarding-reproducer: Reproducer for glibc malloc memory hoarding...
From github.com
Jacky
@_jzhao
Jul 22
wrote a mini blog post about how Myers (the default diff algorithm for generating unified diff) degenerates on large diffs and how we can use the edit spans from a str_replace-like tool to speed up the diff calculation by a few orders of magnitude jzhao.xyz/posts/beating-…
Jacky
@_jzhao
Jul 15
its not that serious pain should not be a proxy for value. you can do worthwhile things (that are hard!) and have fun while doing them see: - The Grasshopper by Bernard Suits (excerpt below) - Schumacher's 1966 essay Buddhist Economics - Graeber's 2020 essay What’s the Point If
Han Wang
@handotdev
Jul 14
Article
Remember to not smile
Last month, I stood in front of the entire company with a slide that had nothing on it but four words: "Remember to not smile." The reactions were about what you'd expect. Confused looks. A few...
Jacky
@_jzhao
Jul 14
come to our cafe event!! meet the team, see the car, look at our cool telemetry :) luma.com/wzvskfc2
grace
@idlygrazing
Jul 11
Meet the Magicar Motors team and check out the racecar at our S5 fundraiser at The Fold SF on August 8, 10am-2pm! Featuring a DJ lineup, raffle, art vendors, our racing sim, and some surprises 👀 DJs and artists will be announced closer to the event! RSVP in comments :)
00:00
Jacky
@_jzhao
Jul 9
good at geoguesser but only west coast hikes