🎾 Tennis: The Quickest Way to Visualize CSV Files in Your Terminal

🎾 Tennis: The Quickest Way to Visualize CSV Files in Your Terminal March 12, 2026 Ever open Excel or fire up a Python script just to peek at a CSV file? There’s a faster, cleaner way. Meet tennis — a blazing-fast terminal table viewer built in Zig. No Python. No pandas. No GUI. Just clean, … Continue reading 🎾 Tennis: The Quickest Way to Visualize CSV Files in Your Terminal

mruby Gems: Extending Ruby for Embedded Systems

mruby Gems: Extending Ruby for Embedded Systems March 11, 2026 Most developers associate Ruby with web development. Frameworks like Ruby on Rails helped Ruby become one of the most productive languages for building web applications. However, Ruby is not limited to servers or web frameworks. Ruby can also run in places far away from data … Continue reading mruby Gems: Extending Ruby for Embedded Systems

Understanding TypeProf: Design Goals, Limitations, and Effective Use in Ruby

Understanding TypeProf: Design Goals, Limitations, and Effective Use in Ruby January 28, 2026 TypeProf is an official type inference tool for Ruby that has gained attention as part of the ecosystem surrounding RBS, Steep, and Sorbet. Despite this visibility, it is frequently misunderstood and often perceived as “not working” by first-time users. This article analyzes … Continue reading Understanding TypeProf: Design Goals, Limitations, and Effective Use in Ruby

PicoRuby: Ruby Beyond Rails

Why Ruby Still Has Unexplored Frontiers Why Ruby Still Has Unexplored Frontiers For many developers, Ruby is synonymous with Rails, web applications, and backend services. That association is understandable—and well earned—but it is also incomplete. Ruby has always been more than a framework or a web stack. It is a language designed for human expression, … Continue reading PicoRuby: Ruby Beyond Rails

Tangible Code: Making Ruby Visible, Touchable, and Understandable

December 16, 2025 Inspired by Miyuki Koshiba’s talk at RubyWorld Conference 2025 At RubyWorld Conference 2025, Miyuki Koshiba presented a talk that challenges one of our most ingrained assumptions as developers: that code is something abstract, invisible, and detached from the physical world. Her presentation, “Tangible Code: Rubyで『見て・触れて・変えてわかる』コードのしくみ”, explores a powerful idea — what if … Continue reading Tangible Code: Making Ruby Visible, Touchable, and Understandable

Exploring the World of Electronic Engineering with PicoRuby

Exploring the World of Electronic Engineering with PicoRuby December 11, 2025 Based on the presentation “Exploring the World of Electronic Engineering with PicoRuby” by Hayao Kimura at Ruby World Conference 2025. Advertise on RubyStackNews RubyStackNews is a niche publication read by Ruby and Rails developers worldwide. Our audience includes senior engineers, tech leads, and decision-makers … Continue reading Exploring the World of Electronic Engineering with PicoRuby

Why Now Is the Right Time for PicoRuby

December 10, 2025 Based on the presentation script from RubyWorld Conference 2025 This article is based on the script of the presentation “Why Now Is the Right Time for PicoRuby”, delivered by Hitoshi Hasumi (ANDPAD Inc.) at RubyWorld Conference 2025. The original session was a 30-minute conference talk, and this text adapts its core ideas, … Continue reading Why Now Is the Right Time for PicoRuby

RubyWorld Conference 2025: PicoRuby, mruby Girls, and the Future of Embedded Ruby

December 8, 2025 The RubyWorld Conference 2025, held in Matsue, Japan, showcased an unexpected star of the ecosystem: Ruby running on microcontrollers. While the event traditionally focuses on Ruby in web, enterprise, or academic settings, this year a significant amount of attention shifted toward embedded systems, thanks to PicoRuby and the community project mruby Girls. … Continue reading RubyWorld Conference 2025: PicoRuby, mruby Girls, and the Future of Embedded Ruby

Debugging in Real Life: How I Use Rails.logger and Docker Logs in My Daily Workflow

December 1, 2025 Debugging is one of those tasks that quietly shapes a developer’s day. It’s not flashy, it’s not glamorous, but it’s the difference between smooth development and losing an afternoon wondering why a request refuses to behave. Over the years working with Ruby and Rails, one of the tools I’ve learned to appreciate … Continue reading Debugging in Real Life: How I Use Rails.logger and Docker Logs in My Daily Workflow

Mastering Ruby’s Object Model and Metaprogramming in Rails:

November 18, 2025 How to Build Flexible, Scalable, and Maintainable Systems** By Germán Alberto Silva (senior Rubyist since 2005) Ruby is often described as an elegant, expressive language—but few developers understand how deeply powerful its object model truly is. And nowhere does this power matter more than in Ruby on Rails applications operating at scale, … Continue reading Mastering Ruby’s Object Model and Metaprogramming in Rails: