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Emacs is a part-time job. A multi-language development environment. A lisp machine. An email client. A web browser. A zettelkasten. A spreadsheet. A m...

ZJIT has been merged into upstream Ruby. Learn about its architecture!

Notes from my Thoughtworks colleagues on AI-assisted software delivery

Puts debugging is the best. In this tutorial, I’ll walk you through my workflow for debugging Rails codebases using a custom toolkit inspired by Rust. We will also discuss how to smuggle your debug tools, together with a C extension, through even the most rigorous code review process.

Learn Ruby/Rails topics during your app’s boot time. - igorkasyanchuk/get-smart

Discover how Ruby on Rails is enabling the next generation of AI-powered applications in 2025, from smart SaaS tools to predictive dashboards, etc.

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Cognition AIが、GitHubリポジトリのURLを入力するだけで、コードベースをAIが自動で解析し、GitHub Wikiでホストされているような形式のドキュメントとして生成する新ツール「DeepWiki」をリリースしました。 DeepWiki | AI documentation you can talk to, for every repoDeepWiki provides up-to-date documentation you can talk to, for every repo in the world. Think Deep Research for GitHub - powered by Devin.DeepWiki これは、同社の「Devin」の内部的なSearch・Wiki機能の基盤技術を単独のWebサービスとしてパッケージ化したものです。主にDevinのプロモーションを兼ねたものと見られており、プライベートリポジトリでの利用を申し込もうとすると、Devin本サービスへのサインアップ誘導が行われます。 Devinと人類に残されたクリップボード運搬業D

社内勉強会用 またしても破綻しがちな z-index の設計を考える。 --- 【質問への解答】 Q. Sassのmapでの管理はどうですか？ 使用しなくて良いと思います。 理由としては、z-index を map で定義したとしても @each するわけでもなく旨味が無…

No cookies, no consent banners, no ad networks, 100% GDPR & CCPA compliant, low footprint web analytics. The best alternative to Google Analytics.

Application template for Rails 7 projects; preloaded with best practices for TDD, security, deployment, and developer productivity. - ackama/rails-template

Stop reinventing the wheel. The web was doing just fine before your bloated frameworks crawled out of the sewer.

ぜんぶのドット絵のデータベースです

nprocが返すのはCPUコア数でもスレッド数でもありません

Struggling with TypeScript config objects that silently accept typos or destroy useful autocomplete? If you've defined settings for React, Node, CLIs, or any JavaScript application, you know the pain. In the next five minutes, you'll learn two powerful TypeScript keywords - as const and the newer satisfies - that lock down your configurations with zero runtime cost, making your code safer and easier to maintain.

Curious about how AI models perform in real-world scenarios with GitHub Copilot? Same.

When to Override TanStack Query's Default Settings

How I use the 'Three Layers of Data' architecture pattern for React and Next.js apps to avoid common pitfalls, tech debt, and improve performance

A Sleek CSV Importer

https://hellocsv.github.io/HelloCSV/. Contribute to HelloCSV/HelloCSV development by creating an account on GitHub.

We'll introduce the BiomeJS project, set it up in a project, and help you decide if you should migrate from Prettier or ESLint to Biome.

Learn how the spread and rest syntax in JavaScript can power up the front-end, from array handling to React state updates, with tips every developer should know.

powers an important chunk of websites and servers. notes that Basically, with npm you can include code from other people in the form of packages. Howev...

A programming blog written by Vaxry.

Converting values to strings in JavaScript is more complicated than it might seem: Most approaches have values they can’t handle. We don’t always see all of the data.

A TypeScript type generator for Ruby serializers. Contribute to skryukov/typelizer development by creating an account on GitHub.