Linking Ruby knowledge from the most remote places in the world.
Independent Ruby & Rails publication for engineers and technical leaders worldwide
Validating a Native Ruby Gem on Ruby 4.0.1 February 5, 2026 Notes from the ruby-libgd 0.2.4 release With the release of Ruby 4.0, native extensions deserve a bit more attention than usual. Unlike pure-Ruby gems, C extensions depend not only on Ruby’s public API, but also on how headers, build tools, and packaging are wired … Continue reading Validating a Native Ruby Gem on Ruby 4.0.1
February 4, 2026 At Kaigi on Rails 2025, one talk stood out for being refreshingly honest about infrastructure. Not a tutorial. Not a product pitch. But a real report from production. In Hall Blue, yappu presented: “Kamalって便利？社内プロジェクト3つをKamal + AWSで運用した体験談” (Is Kamal useful? Operating three internal projects with Kamal + AWS) What followed was exactly the … Continue reading Kamal in the Real World: Lessons from Running Rails Apps on AWS
Opening the Heart of libgd-gis February 3, 2026 How Ruby Turns Coordinates into Maps (and Why Tests Matter) Maps look simple on the surface. You give them coordinates. They give you an image. But anyone who has gone even slightly deeper knows that coordinates are never just numbers. They are context. They are assumptions. They … Continue reading Opening the Heart of libgd-gis
Introducing Type Guard to Steep February 2, 2026 Type Narrowing for Real-World Ruby Applications Based on the RubyKaigi 2025 talk “Introducing Type Guard to Steep” by Takeshi Komiya CTO at Time Intermedia Inc., maintainer of rbs_rails and Rails type generators. Presented at RubyKaigi 2025. Context and Attribution This article is a technical analysis and expansion … Continue reading Introducing Type Guard to Steep
February 2, 2026 Inspired by Onur Ozer’s talk at RubyConf Thailand (Jan 2026) There’s a specific kind of talk that quietly stays with you long after the conference ends. Not because it introduced a new framework, or a clever optimization, but because it articulated something many of us feel while building products with Ruby on … Continue reading Breaking Rules to Ship Products: Lessons from RubyConf Thailand
Linking Ruby knowledge from the most remote places in the world. 