Ruby 4 & Rails 8: A Multi-Front Acceleration of the Ruby Ecosystem

February 26, 2026 Scan to try 🎯 Live Demo Available Introducing MapView Render beautiful, production-ready maps directly from your Ruby backend. No external APIs. No dependencies. Just pure speed and control. ✓ Zero external dependencies ✓ Lightning-fast rendering ✓ Production-ready & battle-tested Try the Live Demo → Read Docs In recent years, Ruby and Ruby … Continue reading Ruby 4 & Rails 8: A Multi-Front Acceleration of the Ruby Ecosystem →

Rails Meets PostgreSQL 18

February 11, 2026 Compatibility, Protocol Changes, and Virtual Generated Columns in Rails 8.1 At Kaigi on Rails 2025, Rails Committer Yasuo Honda delivered a deep technical walkthrough titled: Rails meets PostgreSQL 18 PostgreSQL 18 was officially released on September 25, 2025, and the talk explains how Rails adapts — not just at the marketing level, … Continue reading Rails Meets PostgreSQL 18 →

When Maps Explain Themselves: Legends, Style, and Finished Images in Ruby

February 10, 2026 Introduction libgd-gis now supports legends, introducing a fundamental building block in map communication. With the release of v0.4.1, legends become a first-class feature of the rendering pipeline, pushing the library one step closer to covering the essential capabilities expected from a modern GIS engine. Legends are not just a visual accessory. They … Continue reading When Maps Explain Themselves: Legends, Style, and Finished Images in Ruby →

Only 3% Got It Right: 5 Dangerous Ruby on Rails Code Patterns from RubyKaigi

Only 3% Got It Right: 5 Dangerous Ruby on Rails Code Patterns from RubyKaigi February 9, 2026 At RubyKaigi 2025, a deceptively simple Rails code quiz was presented at a booth. It looked like everyday production code — nothing exotic, no trick questions. About 100 developers attempted it. Only 3 answered everything correctly. This article … Continue reading Only 3% Got It Right: 5 Dangerous Ruby on Rails Code Patterns from RubyKaigi →

Kamal in the Real World: Lessons from Running Rails Apps on AWS

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 →

Making Maps with Ruby

Making Maps with Ruby January 29, 2026 Static and animated cartography built directly from GeoJSON For a long time, generating maps from code meant working inside heavy ecosystems designed primarily for analysis. Those tools are powerful, but they are not always the right fit. In many practical scenarios, the problem is simpler and more concrete: … Continue reading Making Maps with Ruby →

Ruby Can Draw Cities Now

January 9, 2026 Scan to try 🎯 Live Demo Available Introducing MapView Render beautiful, production-ready maps directly from your Ruby backend. No external APIs. No dependencies. Just pure speed and control. ✓ Zero external dependencies ✓ Lightning-fast rendering ✓ Production-ready & battle-tested Try the Live Demo → Read Docs How I built a pure-Ruby GIS … Continue reading Ruby Can Draw Cities Now →

🚀 Bundler 4.0.0.beta1: A Big Step Forward for Writing Clean and Modern Ruby

Bundler 4.0.0.beta1: A Big Step Forward for Writing Clean and Modern Ruby November 27, 2025 As Ruby developers, we know that writing Ruby isn’t just about shipping code or passing specs. Our workflow depends a lot on understanding the latest improvements in the ecosystem, keeping an eye on what’s being deprecated, and making sure our … Continue reading 🚀 Bundler 4.0.0.beta1: A Big Step Forward for Writing Clean and Modern Ruby →

🔍 Understanding Ruby’s .. Range Operator in ActiveRecord Queries

July 21, 2025 When working with date ranges or numeric intervals in Ruby on Rails, writing clear and idiomatic code can be the difference between “just working” and being truly expressive. One tool that helps achieve this is Ruby’s inclusive range operator .. — and yes, it works beautifully with ActiveRecord too. 🔍 Understanding Ruby’s … Continue reading 🔍 Understanding Ruby’s .. Range Operator in ActiveRecord Queries →

🧠 Hash Transformations in Ruby: index_by vs index_with

🧠 Hash Transformations in Ruby: index_by vs index_with July 4, 2025 Scan to try 🎯 Live Demo Available Introducing MapView Render beautiful, production-ready maps directly from your Ruby backend. No external APIs. No dependencies. Just pure speed and control. ✓ Zero external dependencies ✓ Lightning-fast rendering ✓ Production-ready & battle-tested Try the Live Demo → … Continue reading 🧠 Hash Transformations in Ruby: index_by vs index_with →