HERP における Nix 活用
HERP における開発では Nix が広く活用されている．Nix は非常に便利な代物なのだが，ドキュメントの貧弱さ，急峻な学習曲線，企業における採用事例の乏しさなどが相まって，広く普及しているとは言い難く，ましてや国内企業での採用事例を耳にする機会はほとんどない．しかし，Nix の利便性は，複数人での開発においてこそ，その本領が発揮されると考えている．この記事は，HERP における活用事例の紹介を通じて，Nix の利便性ならびに企業での活用可能性について紹介することを目的としている． Nix とは# Nix は "the purely functional package manager" と銘打たれたパケッジマネジャーである．GNU Linux および macOS 上で利用できる． ビルド# Nix は the purely functional "package manager" なの
Building a JobSystem
Programming · Oct 6th, 2022 If the hero were the phrase "premature optimization is the root of all evil", then I'd be its villain. I might be an uninteresting and boring villain, but its villain nonetheless. Anyway, there is one idea that really caught me on fire, ever since I first came across it. Pretty much most game engines that you will come across, as well as any tutorials that may claim to
zerocal - A Serverless Calendar App in Rust Running on shuttle.rs | Matthias Endler
Every once in a while my buddies and I meet for dinner. I value these evenings, but the worst part is scheduling these events! We send out a message to the group. We wait for a response. We decide on a date. Someone sends out a calendar invite. Things finally happen. None of that is fun except for the dinner. Being the reasonable person you are, you would think: "Why don't you just use a schedulin
Jesper Cockx - Don't worry (about writing Haskell), be happy (writing Agda instead)!
Don't worry (about writing Haskell), be happy (writing Agda instead)! Posted by Jesper on October 4, 2022 As we all know, static type systems are great to ensure correctness of our programs. Sadly, in industry many people are forced to work in languages with a weak type system, such as Haskell. What should you do in such a situation? Quit your job? Give up and despair? Perhaps, but I have another
🤓 So you're using a weird language 🧠
Tuesday, September 13, 2022 :: Tagged under: engineering. ⏰ 11 minutes. 🎵 The song for this post is I, Don Quixote from the musical Man of La Mancha, composed by Mitch Leigh and Joe Darion. 🎵 This is Factor. IME you spend a lot more time on the window on the right than the one on the left. Use the docs. Looking through Bozhidar Batsov notate his first impressions of OCaml and him previously aski
Hard Mode Rust
Hard Mode Rust Oct 6, 2022 This post is a case study of writing a Rust application using only minimal, artificially constrained API (eg, no dynamic memory allocation). It assumes a fair bit of familiarity with the language. The back story here is a particular criticism of Rust and C++ from hard-core C programmers. This criticism is aimed at RAII — the language-defining feature of C++, which was wh
Future Proofing SQL with Carefully Placed Errors
Backward compatibility is straightforward. You have full control over new code and you have full knowledge of past data and APIs. Forward compatibility is more challenging. You have full control over new code, but you don't know how data is going to change in the future, and what types of API you're going to have to support. There are many best practices for maintaining backward and forward compat
libraries | suckless.org software that sucks less
libgrapheme is an extremely simple freestanding C99 library providing utilities for properly handling strings according to the latest Unicode standard 15.0.0. It offers fully Unicode compliant grapheme cluster (i.e. user-perceived character) segmentation word segmentation sentence segmentation detection of permissible line break opportunities case detection (lower-, upper- and title-case) case con
三たび、RISC-Vシミュレータの作り方〜紅玉と錆と霊薬と〜 - ESM アジャイル事業部 開発者ブログ
こんにちは。 Ruby x Agile というグループに所属しながらRubyにまつわる記事を一つも書いていない気がするe.mattsanです。 今回もRuby以外のお話です。 RISC-Vシミュレータ作り、おさらい プログラミング言語Elixir RV32Simを実行する RV32Sim.Register 初期化 読み出し 書き込み RV32Sim.Memory 初期化 読み出し 書き込み Memory-mapped I/O RV32Sim.Instruction add beq RV32Sim.CPU RV32Sim プログラミング言語には意外な側面がある RISC-Vシミュレータ作り、おさらい 今、なにやらRISC-Vシミュレータ作りが流行っているようです。 局所的かもしれませんけれども、流行っていることにします。 Rubyでできる！RISC-Vシミュレータの作りかた 〜 From 4
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Construction and analysis of the build and runtime dependency graph of nixpkgs
https://github.com/google/crubit/blob/main/docs/design.md
GitHub - woodrush/lambda-8cc: x86 C compiler written in untyped lambda calculus