2025-08-21
A Brief Guide to A Few Algebraic Structures
argumatronic.com/posts/2019-06-21-algebra-cheatsheet.htmlI started writing this post because, for whatever reason, I keep forgetting what the difference is between a ring and a group, which is funny to me because I never forget the difference between a semiring and a semigroup – although other people do, because it’s quite easy to forget! So, I wanted a fast reference to the kinds of algebraic structures that I am most often dealing with in one way or another, usually because I’m writing Haskell (which has some reliance on terminology and structure from abstract algebra and category theory) or I’m trying to read a book about category theory and they keep talking about “groups.” Wikipedia, of course, defines all these structures, and that’s fine, but what I need in those times is more of a refresher than an in-depth explanation.
2025-06-18
You can use `fzf` to review git commits
jvns.ca/til/fzf-preview-git-commitsI just learned that
you can use it to review a git commit like this and I thought that was really
cool.
2025-05-28
SAT Live!
localhost:4000The Ingredients of a Productive Monorepo
blog.swgillespie.me/posts/monorepo-ingredients2025-05-23
share_target - Web application manifest
developer.mozilla.org/en-US/docs/Web/Progressive_web_apps/Manifest/Reference/share_targetThe share_target manifest member allows installed Progressive Web Apps (PWAs) to be registered as a share target in the system's share dialog.
2024-11-20
On "Safe" C++
izzys.casa/2024/11/on-safe-cxx2024-10-21
init.py files are optional. Here’s why you should still use them
dev.arie.bovenberg.net/blog/still-use-init-py2024-09-16
Wayland: i3 to Sway migration
anarc.at/software/desktop/wayland2024-09-10
run freebsd in qemu on linux
sethops1.net/post/run-freebsd-in-qemu-on-linux2024-07-02
A write-ahead log is not a universal part of durability
notes.eatonphil.com/2024-07-01-a-write-ahead-log-is-not-a-universal-part-of-durability.htmlA write-ahead log is not a universal part of durability
2024-06-19
Avoiding complexity with systemd
mgdm.net/weblog/systemdUsing systemd to avoid having to write some risky code
Aurora - Python Static Site Generator
aurora.jamesg.blogAurora: An extensible, Python-based static site generator.
2024-06-17
How I learned Haskell in just 15 years - duckrabbit solutions
duckrabbit.tech/articles/learning-haskell.htmlOpenBSD, the computer appliance maker's secret weapon
hiandrewquinn.github.io/til-site/posts/openbsd-the-computer-appliance-maker-s-secret-weaponBetween our ESP32 prokaryotic organisms and our 24/7 Internet-enabled megafauna servers, there exists a vast and loosely-defined ecosystem of things the B2B world likes to call computer appliances. Picture a bespoke Pi 4 packaged up neatly with some Python scripts, a little fancy plastic embossing, and maybe a well-guarded id_ed25519.pub in case you end up in hot water during the (long - very long, stable cash flow for generations long) maintenance contract, and you’re in the ballpark.
2024-06-14
CAUSAL.AGENCY(7)
causal.agencyI make mostly IRC software in C. I like OpenBSD but also the GPL. I just want to read books and try to learn to be kinder. When I can I'd like to talk to strangers and experience more magic.
2024-06-13
Category Theory for Programmers: The Preface
bartoszmilewski.com/2014/10/28/category-theory-for-programmers-the-prefaceThe magic of dependency resolution
ochagavia.nl/blog/the-magic-of-dependency-resolutionAPI Tokens: A Tedious Survey
fly.io/blog/api-tokens-a-tedious-surveyComparison between types of API tokens.
2024-06-10
soju IRC bouncer
soju.imsoju is a user-friendly IRC bouncer. soju connects to upstream IRC servers on behalf of the user to provide extra functionality. soju supports many features such as multiple users, numerous IRCv3 extensions, chat history playback and detached channels. It is well-suited for both small and large deployments.
2024-06-09
Piku
piku.github.io/index.htmlpiku, inspired by dokku, allows you do git push deployments to your own servers, no matter how small they are.