##Posts

• 2026-04-10 12 min read Building a Career with Open Source: From User to Maintainer My experience building a career with open source as a non-native English speaker with no CS background. How I picked projects, built trust with maintainers, and made my work visible.
• 2026-01-24 5 min read Ruby Skills: Teaching Claude Code About Ruby's Tooling And Ecosystem Ruby developers using Claude Code hit this pattern: you ask it to run tests, it picks the wrong Ruby version, fails, tries bundle install, fails again.
• 2026-01-12 3 min read My RDoc roadmap for 2026 Last month we shipped Aliki, RDoc’s new default theme. It brought dark mode, better search, and a modern layout to docs.ruby-lang.org and any gem using RDoc 7.0+. That was primarily about the readi...
• 2026-01-11 2 min read Fixing My Blog from My Phone with Claude's Code Sessions (NOT Claude Code) One reason I migrated my blog from a hosted solution to GitHub Pages was to see how AI agents could help me improve it and post content. So when I noticed some responsiveness issues while it on my ...
• 2025-12-30 7 min read AI and Open Source: A Maintainer's Take (End of 2025) I’m on the cautious-optimistic side when it comes to AI coding tools and open source.
• 2025-09-08 6 min read How Ruby Executes JIT Code: The Hidden Mechanics Behind the Magic This post was originally published on September 8, 2025 on Rails at Scale.
• 2025-07-19 5 min read AI Coding Agents Are Removing Programming Language Barriers This post was originally published on July 19, 2025 on Rails at Scale.
• 2025-03-13 3 min read My Ruby Debugging Tips in 2025 This is a quick & unpolished collection of my Ruby debugging tips and recommendations.
• 2024-12-26 4 min read Ruby 3.4 Documentation: A Step Towards Better Ruby Documentation Introduction
• 2024-11-02 6 min read A RDoc Maintainer's View on Ruby's Documentation As someone who genuinely cares about Ruby’s developer experience, I’ve been thinking about Ruby’s documentation for a while, especially after I became a maintainer of RDoc.
• 2022-12-09 7 min read What's new in Ruby 3.2's IRB? What’s new in Ruby 3.2’s IRB?
• 2022-09-08 3 min read ruby/debug cheatsheet This cheatsheet can help you get started with ruby/debug as well as use it in your daily development. It’s not an exhausting list of its features or commands, so please go through its document as w...
• 2022-08-08 2 min read Setup ruby/debug with VSCode Do you know Ruby’s official debugger ruby/debug provides out-of-box integration with VSCode? If you haven’t tried it yet or having difficulty making it work, I hope this short post will help you se...
• 2022-08-08 7 min read From byebug to ruby/debug Link to Japanese version: https://techracho.bpsinc.jp/hachi8833/2022_09_01 (Hashnode has issues generating the right link for this url)