Lighthouse - The feed reader for finding actionable content
A reimagined RSS feed reader, optimized for people who are serious, intentional, and proactive about their content consumption.
Athou/commafeed: Google Reader inspired self-hosted personal RSS reader.
Google Reader inspired self-hosted personal RSS reader. - Athou/commafeed
RubyやPythonのGVL(GIL)は1プロセス1コアではない
RSpec shared examples unmasked - SaturnCI - Continuous Integration for Ruby on Rails
SaturnCI: Continuous Integration for Ruby on Rails and RSpec
Railsでテーブル定義を安全に変更するための手順
スキーマ変更によるトラブルを防ぐ
大TypeScript時代を支えるAsyncLocalStorageによるリクエストスコープなメタデータ管理 - LayerX エンジニアブログ
LayerX AI Agent ブログリレー 38日目の記事です。 こんにちは、LayerX バクラク事業部 Platform Engineering 部 Enabling グループに新卒入社した shibutani と申します。 弊社では早くからLLMを組み込んだ機能開発を行っており、多くのAIエージェント機能を提供…
バイブス静的解析というお題でYAPC::Fukuoka 2025で発表した - hitode909の日記
8月くらいに、コードベースから、使ってないコードを探すツールをAIに作ってもらっていたら、突然「バイブス静的解析」という言葉が降ってきて、これだ！とプロポーザルを出したら採択してもらえたので、喋ってきた。 スライド3枚くらいでダイジェストするとこんなかんじ。 資料はこちら speakerdeck.com 感想はこちら …
enjaku4/rabarber: Simple role-based authorization library for Ruby on Rails
Simple role-based authorization library for Ruby on Rails - enjaku4/rabarber
Role-Based Authorization for Rails: How We Built Rabarber
The Problem We built an admin area for a sales company that included a custom CRM,...
Effective context engineering for AI agents \ Anthropic
Anthropic is an AI safety and research company that's working to build reliable, interpretable, and steerable AI systems.
Announcing YARD-Lint: Keep Your Ruby Documentation Solid
YARD-Lint catches documentation drift in Ruby projects. Open-source linter that validates YARD tags, types, and examples. Improve code quality and AI accuracy.
The Hidden Dangers in Your Gemfile: Supply Chain Attacks in RubyGems - FastRuby.io | Rails Upgrade Service
In this post we will talk about supply chain attacks that have happened recently in RubyGems and how you can protect yourself from supply chain attacks in your own projects.
TypeScript, Python, and the AI feedback loop changing software development
An interview with the leader of GitHub Next, Idan Gazit, on TypeScript, Python, and what comes next.
Negating compound boolean expressions (De Morgan's Laws) | pawelgrzybek.com
A pair programming session made me explore De Morgan’s Laws. Here is a quick example and the essence of the rules defined by Augustus De Morgan.
Should You Stop Using Prisma?
I need to tell you something that might be controversial: Prisma, the darling of the TypeScript world, might be holding your application…
なぜThrottleではなくDebounceだったのか？ 700並列リクエストと戦うサーバーサイド実装のすべて
YAPC::Fukuoka 2025
https://fortee.jp/yapc-fukuoka-2025/proposal/0b931b36-e916-4461-bbf1-886419280759
なぜインフラコードのモジュール化は難しいのか - アプリケーションコードとの本質的な違いから考える
一人で大規模OSSに立ち向かうには
Sosuke Suzuki YAPC::Fukuoka 2025
My go-to prompt for legacy code exploration | Left of the Dev
Old software systems can be scary. Learn their quirks and conventions with some agentic assistance.
The (lazy) Git UI You Didn't Know You Need
When my son was born last April, I had ambitious learning plans for the upcoming 5w paternity leave. As you can imagine, with two kids, life quickly verified this plan 🙃. I did eventually start some projects. One of the goals (sounding rebellious in the current AI hype cycle) was to learn and use neovim for coding. As a Goland aficionado, I (and my wrist) have always been tempted by no-mouse, OSS, gopls based, highly configurable dev setups.
ankur-anand/unisondb: A streaming multimodal database for Edge AI, and Edge Computing.
A streaming multimodal database for Edge AI, and Edge Computing. - ankur-anand/unisondb
f/git-rewrite-commits: AI-powered git commit message rewriter using Ollama or GPT
AI-powered git commit message rewriter using Ollama or GPT - f/git-rewrite-commits
nooscraft/tokuin: CLI tool – estimates LLM tokens/costs and runs provider-aware load tests for OpenAI, Anthropic, OpenRouter, or custom endpoints.
CLI tool – estimates LLM tokens/costs and runs provider-aware load tests for OpenAI, Anthropic, OpenRouter, or custom endpoints. - nooscraft/tokuin
openworkflowdev/openworkflow: Open-source TypeScript framework for building durable, resumable workflows.
Open-source TypeScript framework for building durable, resumable workflows. - openworkflowdev/openworkflow
Storybook 10
ESM-only, 29% lighter, module automocking, and more
Developer LLM agent security takeaways.
Developer LLM agent security takeaways. GitHub Gist: instantly share code, notes, and snippets.
/ htmx ~ The fetch()ening
You know, technically, I never said anything about a version *four*
Growing Software
A blog where I put any experiments and thoughts concerning programming, technology and, maybe, some opinions on other topics.
MCP ツールのコンテキスト圧迫の問題とその解決策
MCP の普及に伴い、多数のツール定義が LLM のコンテキストを圧迫する課題が浮上しています。本記事では Progressive disclosure（段階的開示）による最小限の情報提供、MCP を使ったコード実行によるツール呼び出しの効率化、単一の検索ツールによるコンテキスト削減など、実践的な解決策を Claude Skills や Cloudflare Code Mode の事例とともに解説します。
Upgrading Rails applications with an AI skill
Learn how the custom Rails Upgrade Assistant Skill, built on Anthropic’s platform, automates the tedious process of merging configurations and detecting breaking changes when upgrading Ruby on Rails applications (v7.0 to v8.1). Includes details on its intelligent analysis and custom code preservation features.