RE: https://mastodon.social/@andrewnez/115735513471463752
A great article, and also it mentions me which makes it even better!
| cool | yes |
| github | https://github.com/will |
| site | bitfission.com |
| FediDevs keywords | ruby nix crystal zig postgres |
Will
@will@ruby.social
- 378 Followers
- 152 Following
- 22 Posts
Creator of the popular gem "bundle"
Andrew KelleyIn this modern era of acquisitions, weak antitrust regulations, and platform capitalism leading to extreme concentrations of wealth, non-profits remain a bastion defending what remains of the commons.
Steve PurcellProgrammers! Did you know you can fairly choose a random item from a list in a single pass, without knowing the total number of items in advance, and in constant, minimal space? This delightful method has lived rent-free in my head since I learned it from the Perl gods in the 90s: https://csg.sph.umich.edu/chen/Perl/cookbook/ch08_07.htm
hikari 🌟 (fell out of the sky)hi there.
on 2016-11-07 i was inspired to create this pair of diagrams, and posted them to my then twitter account. the tweet is long gone, but they must have struck a chord with some people, because the diagrams have long outlived it! i guess they're as relevant today as they were then.
so let me repost them here, in never-before-published high resolution.
if you care about copyright, you can attribute these with:
© 2016 hikari_no_yume, CC BY 4.0 (International)
and ideally, please link to this post's canonical url (begins with social.noyu.me), but i don't care that much
damien 🥖🐈⬛🧣
Ihor KalnytskyiIt seems Mr. @rpodoliaka is too shy to share his latest blog post here, so let me do it for him.
https://www.podoliaka.org/2025/10/12/newlines/
It's a fascinating piece that shows how much you can squeeze out from your own machine if you really want to, using "count lines in the file" as an example. All you need is a desire and a systematic approach, which is shown in the post.
If you are into systems programming, this is a must-have read. I enjoyed it a lot!
Counting new lines faster, or how to beat wc at its own game
Introduction Link to heading If you haven’t heard of The One Billion Row Challenge, it’s a fun contest in which participants are asked to write a computer program that would parse a one billion line long text file and aggregate that data in the fastest way possible. This, of course, has very little to do with real life coding, but, nevertheless, it is a highly entertaining exercise in performance optimization.
