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はじめに こんにちは。STORES でエンジニアをしているmochizukiです。 Webアプリケーションの開発では、外部システムと連携した機能を実装することがあると思います。 例えばAPIで外部システムのリソースを取得したり、Webhookで通知を受け取ったりして、業務ロジックに組み込むようなケースです。 このような…

Ruby 4.0 celebrates 30 years of Ruby with exciting features including ZJIT compiler, Ruby::Box namespaces, redesigned Ractor API, Set as a core class, and several quality-of-life improvements.

Public repository of the Micro QuickJS Javascript Engine - bellard/mquickjs

Tales of two pages… What's the difference between these two pages?: https://www.example.com/ https://www.example.com/?utm_source=email I mean they've got different URLs, but many of us would probably guess that that utm_source URL query parameters (or "URL params" or "search params" as it's

Fake “Phantom Shuttle” VPN Chrome extensions (active since 2017) hijack proxy auth to intercept traffic and continuously exfiltrate user credentials t...

I just had my first success using a browser agent - in this case the Claude in Chrome extension - to solve an actual problem. A while ago I set …

こんにちは。 アプリケーションサービス、DevOps担当の兼安です。 AWS re:Invent 2025でAmazon Aurora PostgreSQL(以降、Aurora PostgreSQLと書きます)の動的データマスキングが発表されました。 今回はこれを機会に、行レベルセキュリティ（Row-Level Sec…

この記事はエムスリー Advent Calendar 2025 5日目の記事です。 エムスリーエンジニアリングG コンシューマーチームの松原です。 Rails アプリケーション開発で型が欲しいと思ったことありますか？ 正直なところ、筆者はそれほど必要ないと考えていました。日々開発・運用している Rails アプリケーシ…

JsonMend - repair broken JSON. Contribute to le0pard/json_mend development by creating an account on GitHub.

Learn how to use Byebug to debug Ruby code with breakpoints, step-through execution, variables inspection, and real examples.

Learn how to clone PostgreSQL databases instantly using reflinks. Turn slow template copies into milliseconds with PostgreSQL 18's new file copy options.

My new hobby project.

Take the web for a fresh spin

gup - Update binaries installed by "go install" with goroutines. - nao1215/gup

Language server for Dockerfiles, Compose files, and Bake files - docker/docker-language-server

A better way to clone, organize and manage multiple git repositories - grdl/git-get

macOS application designed to visually compare folders and files - visualdiffer/visualdiffer

A powerful and intuitive application designed to compare folders and files

Powerful and highly extensible command-line based document and bibliography manager. - papis/papis

vacuum is the worlds fastest OpenAPI 3, OpenAPI 2 / Swagger linter and quality analysis tool. Built in go, it tears through API specs faster than you can think. vacuum is compatible with Spectral r...

RedisからValkeyへ — 移行の展望 目次 はじめに Valkeyとは 現行Cache Cluster なぜValkeyか 今後の展望 まとめ この記事は「Eureka Advent Calendar …

Infrastructure-as-Code Platform Built for the Future - platform-engineering-labs/formae

This article explores how to bring Git style workflows like branching, testing, and deploying to your data stack. Learn how concepts like zero copy cloning and metadata pointers can finally give you isolated test environments. | Reading time: 17 min read

Official Claude Code compound engineering plugin. Contribute to EveryInc/compound-engineering-plugin development by creating an account on GitHub.

Discover web apps built with Ruby on Rails. Contribute to kyrylo/weuserails.com development by creating an account on GitHub.

AI-based error tracking and performance monitoring - activerabbit-ai/activerabbit: AI-based error tracking and performance monitoring

Go言語でOSSを開発しているみなさん、go.modのgo directiveにはどのような値を指定していますか？もしGo 1.25が最新のメジャーリリースである2025年12月現在で go 1.25.0 と書いているならば、この機会にぜひ go 1.24.0 に改めてくれないか、という話をします。同じような話はいろん…