Version 43.0.0 We needed a leap version to unequivocally signaling that it's not just a major version: it's a complete redesign of the legacy code at all levels, usage and API included. Why 43? Bec...

Puma 7 is here, and that means your Ruby app is now keep-alive ready. This bug , which existed in Puma for years, caused one out of every 10 requests to take 10x longer by unfairly “cutting in line.”  In this post, I'll cover how web servers work, what caused this bad behavior in Puma, and how it was fixed in Puma 7; specifically an architectural change recommended by MSP-Greg that was needed to address the issue. For a primer on keep-alive connections: what they are and why they are critical for low-latency, performant applications, see our companion post Learn How…

An "impossible" Ruby bug: Hashes becoming Strings at runtime. 2,700 identical crashes. No corruption. Just objects changing what they are. Deep dive.

Learn about the new features in the Next.js 16 release: why they matter, how they impact your workflow, and how to start using them.

An embeddable, lightweight, secure, high-performance JavaScript engine. - 6over3/hako

A deep dive into how thoughtful URL design can enhance usability, shareability, and performance. Learn what state belongs in URLs, common pitfalls to avoid, and practical patterns for modern web apps.

Sitemap-generating framework for node.js. Contribute to ekalinin/sitemap.js development by creating an account on GitHub.

⛳️ Typed command-line arguments parser for Node.js - privatenumber/type-flag

Node.js® is a free, open-source, cross-platform JavaScript runtime environment that lets developers create servers, web apps, command line tools and scripts.

Node.js® is a free, open-source, cross-platform JavaScript runtime environment that lets developers create servers, web apps, command line tools and scripts.

Learn how code execution with the Model Context Protocol enables agents to handle more tools while using fewer tokens, reducing context overhead by up to 98.7%.

システムを運用していると時折直面するのが「移行作業」です。 新しい技術に触れられるのは楽しいです。一方、大量のコードの書き換えはちょっと辛いですよね。単純な置換で済めばよいのですが、そううまくはいかないことがほとんどです。 今回はこの書き換えを Claude Code を活用して楽に、精度良く実施したお話です。 データ…

Avoiding cross-site scripting (XSS) attacks with new web APIs

Discover how to achieve quality assurance in React app internationalization by using i18n-check to catch translation issues early, ensuring reliable and consistent multilingual user experiences.

Atomic state has enabled us to build complex, deeply nested React component trees in our clinical trial data capture application without trading off render performance or developer ergonomics. Here's a very brief overview of the difference between vanilla React Context-based state management and atomic state management, with an interactive demo based on real-world clinical trial data showing how we use atomic state to keep Harbor's EDC UI responsive and performant.

Vercel has recently rolled out features that do more than just enhance its platform—they challenge...

Next.js 16 introduces component-level caching with the 'use cache' directive, but it doesn't work seamlessly with next-intl yet. In this blog post, I'll explore why the incompatibility exists and show you a practical workaround.

What growing PostHog from 11 to 150 people taught us about culture, hiring, product, marketing, and more

A lightweight, flexible, and expandable JSON query language - jsonquerylang/jsonquery

An efficient unique-line counter (25x over `sort | uniq -c`) - noamteyssier/hist-rs

AthenaCLI is a CLI tool for AWS Athena service that can do auto-completion and syntax highlighting. - dbcli/athenacli

本記事では、Bloom Filter の概要と Valkey 上で実現する場合の実践的な活用方法について紹介します。

Cap is the open source alternative to Loom. Lightweight, powerful, and cross-platform. Record and share in seconds.

A blazingly fast multi-language serialization framework powered by JIT and zero-copy. - apache/fory

重くなる主な原因 VSCodeが重くなる最も一般的な原因は、インストールされている拡張機能の数や質です。その他の原因として以下が挙げられます↓ 大規模なプロジェクトを開いていると、VSCodeが必要とするリソースが増加 ファイル監視プロセス（watcherServ...

SQLite Graph Extension. Contribute to agentflare-ai/sqlite-graph development by creating an account on GitHub.