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A new Ruby on Rails project built agentically, plus Playwright

Agentic coding suite that combines multiple agent system with AI code review and AI agent orchestration

Learn how to orchestrate AI agents in Claude Code to multiply your development output. No frameworks, just folders and markdown that turn one developer into five specialists.

I use incremental selections in Neovim all the time. This is where I tap, tap, tap, and on every single tap, the selection expands starting from the cursor position and climbs up by the node or the whole scope.

- checkpointing - a new VSCode extension - tab to think - a new mascot, we call him Clawd 🦀

大規模言語モデル（LLM）は、流暢な会話をこなし、専門的な質問にも答える。その驚くべき能力に、私たちは「AIは本当に理解しているのではないか」という期待を抱きがちだ。しかし、その知性は本物なのだろうか？

Migrate data along with schema migrations in Rails and keep them up to date. - ka8725/migration_data

Update data in migrations like a boss. Don't write raw SQL in migration, don't define models in migrations again, don't use seeds. Use migration_data gem to keep your migrations up to date, migrate data in production, test data migration code and clean them up.

Someone's trash is another person's web server.

This Part 1 (of a 2-part series) is a practical, hands-on, applicable approach to database indexes. We’ll cover what B Trees are with a focus on deeply understanding, and internalizing how they store data on disk, and how your database uses them to speed up queries. This will set us up nicely for part 2, […]

I coded my latest app entirely in Markdown and let GitHub Copilot compile it into Go. This resulted in cleaner specs and faster iteration.

Dear Rubyists, Thank you for giving me this opportunity to share with you. We take our stewardship of the Ruby Gems ecosystem seriously. Our mission is clear: keep the language and the infrastructure you rely on stable, safe, and trustworthy. Before we get to what the next steps will be,

こんにちは、クラウド経費 テックリードの宮村（みやむー）@miyamura.koyo です。 10年選手になってきたRails製SaaSをメンテしています。以下の通り継続的にRuby / Railsのバージョンアップを実施しています。 moneyforward-dev.jp moneyforward-dev.jp 今回…

A CLI code-typing game that turns your source code into typing challenges - unhappychoice/gittype

6×4+4keys column-staggered split keyboard. Contribute to kata0510/Lily58 development by creating an account on GitHub.

Aria2TUI is a TUI client for the Aria2 download utility. - GitHub - grimandgreedy/aria2tui: Aria2TUI is a TUI client for the Aria2 download utility.

A better way to generate and send emails. Contribute to beautifulruby/supermail development by creating an account on GitHub.

Earlier this year, I was working on an event bus for the Rage framework. The event bus was designed...

We are going to set up Showcase for a Rails application in the first part of this three-part series on Showcase.

Showcase lets you build previews for your partials, components, view helpers, Stimulus controllers and more. - bullet-train-co/showcase

Compare SaaS and custom software based on cost, control, and growth. Learn which fits your business needs with real examples and a clear, expert voice.

Run your RSpec specs 2x-4x faster locally by parallelizing your test suite, using the handy parallel_rspec gem.

Start Rails in one command. Contribute to the-teacher/rails-start development by creating an account on GitHub.

Testing · sidekiq/sidekiq Wiki にあるように、sidekiqをテストで利用する際には3つのモードがあります。 fake(デフォルト) inline disable これらを切り替えるメソッドとしてSidekiq::Testing.fake!などがあります。これらのメソッドはブロックを受け付…

A command-line utility for taking automated screenshots of websites

Coding agents like Anthropic’s Claude Code and OpenAI’s Codex CLI represent a genuine step change in how useful LLMs can be for producing working code. These agents can now directly …

Anthropic released Claude Sonnet 4.5 today, with a very bold set of claims: Claude Sonnet 4.5 is the best coding model in the world. It’s the strongest model for building …

Notes from my Thoughtworks colleagues on AI-assisted software delivery