Bookmarks

Unything at runtime. Contribute to Gugustinette/unrun development by creating an account on GitHub.

Valdi is a cross-platform UI framework that delivers native performance without sacrificing developer velocity. - Snapchat/Valdi

A fast, framework-agnostic undo/redo core powered by Mutative JSON Patch - mutativejs/travels

A chilling tale of deliverables, deadlines and doomed decisions

The arbitrary limit can be built into input fields and automated tooling

It’s a cliché that “data is the new oil” that will power the next industrial revolution. Where does the data that powers Artificial Intelligence come from? And if data is the fuel for AI…

The Browser Choice Alliance is a coalition of browsers dedicated to the principle that consumers should have the right to use their browser of choice on Windows devices.

The majority of us are a bunch of self taught people with rather spotty knowledge and that's fine! Kilian (also self taught) is here to share some of the computer science fundamentals you probably are missing with the aim to improve your code in the long term.

Explore Go language trends in 2025, from popular frameworks and libraries to IDEs, testing tools, and the growing role of AI in Go development.

After stumbling on a pair of interesting blog posts — You Don’t Need Kafka, Just Use Postgres (Considered Harmful) — somewhat in the style of good old “flame wars” (which are increasingly rare these days) in the recent Postgres Weekly, as a response to a previous article — Kafka is...

PostgreSQL 18 introduced a powerful new feature that lets you enforce uniqueness across time periods: Temporal Constraints. With this addition, you can now define UNIQUE, PRIMARY KEY, or FOREIGN KEY constraints by either Date Range or Timestamp Range fields, making it easier than ever to prevent overlapping data.

It's a hard-coded limit in Postgres for tables to not exceed 1,600 columns. Let's test all the ways you can reach that limit, and explore how to address the situation when you reach this limit unexpectedly.

In Postgres 18 you’ll now see “Index Searches” lines in EXPLAIN ANALYZE output. If like me you were wondering what those mean exactly, you’re in the right place.

PostgreSQL 13 is reaching end of life on November 13, 2025. Treat your upgrade not as maintenance, but rather as an investment in security, stability, and innovation.

Learn what makes web animations fast, slow, and everything in between with our 2025 web animation performance tier list.

Scalable, fast, and disk-friendly vector search in Postgres, the successor of pgvecto.rs. - tensorchord/VectorChord

Scalable Vector Search in Postgres

Learn how to build an inline editing feature using custom elements in Rails. A clean, framework-agnostic approach to editable content with just HTML and JavaScript.

A Pythonista opens `irb` and looks at all the symbols in Ruby. Or so the joke begins.

KARTEのマイクロサービス環境でのAI基盤設計を解説。Mastraを核に「まず集中」を採用し、Tool/Storage設計、Memory/Streamingの実践と運用知見を紹介。

Use callable allow_nil/allow_blank to make validations depend on model state without duplicating rules.

「よし、これで完璧！」と思って実装したファイルアップロード機能。テストで同じファイルを2回選んだら...あれ？2回目は何も起きない。 // さっきまで動いてたはずなのに... input type="file" onChange={(e) = { console.log('ファイル選択した！', e.target.…

こんにちは。Webエンジニアをしているotariidaeです。 テストは速ければ速いほど良いものです。善は急げということでさっそく速くしていきましょう。 なにを速くするか 今回速くしていくのは STORES を利用いただいている事業者向け管理画面のバックエンドのテストです。2025年1月から本格的に開発され始めたアプリ…

Ready to make your code reviews smarter and easier? Learn how to structure your instructions files for better results, avoid common pitfalls, and see real-world examples to get started. 🚀

Build Rails applications that scale. Discover the small changes that make a big difference in efficiency. Design applications for performance from the start.

事業や扱うデータの大規模化に耐えうるRailsアプリケーションを作っていくための方法を解説している『Rails Scales!』を読んだ。

A new perspective on development for the agentic era. Gemini-generated documentation, always up-to-date.