2025-09-01
Jujutsu for everyone
jj-for-everyone.github.ioA Jujutsu tutorial that requires no previous experience with Git or other version control systems.
2025-08-29
You no longer need JavaScript
lyra.horse/blog/2025/08/you-dont-need-jsAn overview of what makes modern CSS so awesome.
2025-08-25
Everything I know about good API design
www.seangoedecke.com/good-api-design2025-07-03
A Higgs-bugson in the Linux Kernel
blog.janestreet.com/a-higgs-bugson-in-the-linux-kernelWe recently ran across a strange higgs-bugson that manifested itself in a critical system that stores and distributes the firm’s trading activity data, called Gord. (A higgs-bugson is a bug that is reported in practice but difficult to reproduce, named for the Higgs boson, a particle which was theorized in the 1960s but only found in 2013.) In this post I’ll walk you through the process I took to debug it. I tried to write down relevant details as they came up, so see if you can guess what the bug is while reading along.
2025-06-26
The plan-execute pattern
mmapped.blog/posts/29-plan-execute.htmlI feel uneasy about design patterns.
On the one hand, my university class on design patterns revived my interest in programming.
On the other hand, I find most patterns in the Gang of Four book to be irrelevant to my daily work;
they solve problems that a choice of programming language or paradigm creates.My litmus test of a good design pattern is its cross-disciplinary applicability.
I’m more likely to accept an idea that pops up in fields beyond software engineering.
And the most convincing patterns are the ones that help me in everyday life.This article describes a universal pattern that billions of people rely on daily, but software engineers rarely discuss—the plan-execute pattern.
2025-01-17
Earthstar
earthstar-project.orgStorage for private, distributed, offline-first applications. Earthstar is a specification and JavaScript library for building connected applications owned and run by their users.
2025-01-09
if got, want: A Simple Way to Write Better Go Tests
mtlynch.io/if-got-want-improve-go-tests2024-10-04
Snappy UI Optimization with useDeferredValue
www.joshwcomeau.com/react/use-deferred-valueuseDeferredValue is one of the most underrated React hooks. It allows us to dramatically improve the performance of our applications in certain contexts. I recently used it to solve a gnarly performance problem on this blog, and in this tutorial, I'll show you how! ⚡
2024-06-24
Deriving Dependently-Typed OOP from First Principles -- Extended Version with Additional Appendices
arxiv.org/abs/2403.06707The expression problem describes how most types can easily be extended with new ways to produce the type or new ways to consume the type, but not both. When abstract syntax trees are defined as an algebraic data type, for example, they can easily be extended with new consumers, such as print or eval, but adding a new constructor requires the modification of all existing pattern matches. The expression problem is one way to elucidate the difference between functional or data-oriented programs (easily extendable by new consumers) and object-oriented programs (easily extendable by new producers). This difference between programs which are extensible by new producers or new consumers also exists for dependently typed programming, but with one core difference: Dependently-typed programming almost exclusively follows the functional programming model and not the object-oriented model, which leaves an interesting space in the programming language landscape unexplored. In this paper, we explore the field of dependently-typed object-oriented programming by deriving it from first principles using the principle of duality. That is, we do not extend an existing object-oriented formalism with dependent types in an ad-hoc fashion, but instead start from a familiar data-oriented language and derive its dual fragment by the systematic use of defunctionalization and refunctionalization. Our central contribution is a dependently typed calculus which contains two dual language fragments. We provide type- and semantics-preserving transformations between these two language fragments: defunctionalization and refunctionalization. We have implemented this language and these transformations and use this implementation to explain the various ways in which constructions in dependently typed programming can be explained as special instances of the phenomenon of duality.
Microfeatures I Love in Blogs and Personal Websites
danilafe.com/blog/blog_microfeaturesIn this post, I talk about pleasant but seemingly minor features in personal sites
2024-06-18
Comparing Objective Caml and Standard ML
adam.chlipala.net/mlcompUnderstanding SPF, DKIM, and DMARC: A Simple Guide
github.com/nicanorflavier/spf-dkim-dmarc-simplifiedLinux 6.10 Honors One Last ReiserFS Request Made By Hans Reiser - Phoronix
www.phoronix.com/news/ReiserFS-README-Linux-6.102024-06-17
How I learned Haskell in just 15 years - duckrabbit solutions
duckrabbit.tech/articles/learning-haskell.html2024-06-14
Putting Go's Context package into context
blog.meain.io/2024/golang-contextpounce - IRC bouncer
git.causal.agency/pounce/about2024-06-13
Macaroons Escalated Quickly
fly.io/blog/macaroons-escalated-quicklyBuilding Go programs with Nix Flakes
xeiaso.net//blog/nix-flakes-go-programsArena allocator tips and tricks
nullprogram.com/blog/2023/09/27Avoid Linux locking up in low memory situations using earlyoom
dataswamp.org/~solene/2022-09-28-earlyoom.htmlThis article presents the program earlyoom to prevent a Linux system to lock up in low memory situations.