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GPT-5.2 is our newest flagship model for enterprise and agentic workloads, designed to deliver higher accuracy, stronger instruction foll...

2025年の趣味開発環境. GitHub Gist: instantly share code, notes, and snippets.

前書き 私がこの記事を書く理由は、近年、生成AIによる実装が当たり前になりつつあり、AIに対する「指示書」としてのドキュメントが改めて注目されていると感じているからです。その流れの中で、「仕様書駆動開発」という考え方も登場してきました。 自律型のAIエージェントがプロジェ...

「夜のブルーオーシャン」における AI エージェント稼働率が差別化された生産性となること、夜に行うべきタスクと遂行するための "FRONTIER AGENTS" を紹介しています。

本記事は、CyberAgent Group SRE Advent Calendar 2025 18日 ...

Have you heard of React Server Components? Even if you don't work with React daily, you probably have. It's been the hottest topic in the last few years in the React Community. And in addition to being the fanciest new toy, Server Components are quite often mentioned in the context of performance.

In 30 years, JavaScript went from being a little scripting language to one of the world's most popular. Here are key moments to show how it has evolved and where it is headed.

The desire to shave milliseconds off JavaScript build times has been relentless, but progress has been slow. Recently, several companies have stepped up to address this challenge by supercharging their JavaScript bundlers: Vercel, a cloud platform; VoidZero, Evan You’s startup focused on JavaScript ecosystem infrastructure; and ByteDance, the consumer services giant best known for TikTok.

Specification and documentation for Agent Skills. Contribute to agentskills/agentskills development by creating an account on GitHub.

3-shake SRE Tech Talk #14 登壇資料

Contribute to engneer-hamachan/ruby-ti development by creating an account on GitHub.

🌴 TreeHaver is a cross-Ruby adapter for the tree-sitter & citrus parsing libraries; supporting MRI Ruby, JRuby, & TruffleRuby. Provides unified parsing API & AST when using ruby_tree_si...

Originally posted on the Spinel blog. While working on rv, there’s a specific question that has come up over and over again, in many different forms. In the simplest possible form, it boils down to: What is the difference between rv exec and rv run? Why have both? We haven’t finished implementing either rv exec or rv run yet, but every time one or the other comes up in a conversation, everything instantly becomes more confusing.

Deploy More Resilient Apps. Hatchet is a platform for building distributed web apps that solves scaling problems like concurrency, fairness, and rate limiting.

Introducing faceted search in ParadeDB - bringing the power of search engine faceting to PostgreSQL with single-query aggregations.

Postgres 18 defaults to checksums on. This is a good feature for data integrity but might catch you off guard with an upgrade.

Rebuilding indexes after an operating system upgrade is painful. Learn how to rebuild only those indexes that really need it!

PostgreSQL extension for BM25 relevance-ranked full-text search. Postgres OSS licensed. - timescale/pg_textsearch

Claude Codeを使い始めて、様々な発信をしてきました。今回は「Agent Skills」について。これも設定しておくと、Claude Codeがグッと使いやすくなる機能です。 Claude Code の settings.json は設定した方がいい - じゃあ、おうちで学べる Claude Code の CL…

Exploring two underused Rails routing features — direct and resolve — through 37signals’ newly open-sourced Fizzy codebase. Learn how to create custom URL helpers and teach Rails to generate polymorphic URLs for models without their own routes.

Master the Liskov Substitution Principle in Ruby. Learn to spot structural violations, handle duck typing, and write better object-oriented code.

Explore the Open-Closed Principle in Ruby through practical examples using inheritance and the Strategy pattern. Learn how to balance strict SOLID adherence with pragmatic design decisions.

This is not a comprehensive guide to Git worktrees, but I wanted to share how I'm currently using them to help you work more effectively. I also want to have a snapshot to compare against in a year, when multi-agent workflows will become more critical. If you want to know

After the hundredth time explaining the same architecture to Claude, I finally admitted the obvious: we needed AI with actual memory. Here’s what we built and why it matters.

Contribute to brobertsaz/claude-os development by creating an account on GitHub.

The open content licensing standard for the AI-first Internet

GitHub is adding a $0.002-per-minute fee on all GitHub Actions usage, so the control plane is no longer free.

Rails Tokyo Meetup 02 登壇資料。

Nithin Bekal's blog about programming - Ruby, Rails, Vim, Elixir.