December 18, 2025 Running PicoRuby on an ESP32 is absolutely possible — but today it is not straightforward, and most guides omit critical details. This article consolidates everything that actually matters, based on real-world setup, debugging, and integration with ESP-IDF 5.5. If you follow this guide exactly, you will end with: PicoRuby running on an … Continue reading A Definitive Guide to Running PicoRuby on ESP32 (ESP-IDF 5.x)
Category: Ruby
From Reading to Mastery: Turning Metaprogramming Ruby into a Hands-On Learning Platform
December 17, 2025 Metaprogramming has always been one of Ruby’s most powerful — and most intimidating — features. While the book Metaprogramming Ruby by Paolo Perrotta is widely regarded as a classic, many developers share the same experience: it’s brilliant, but hard to truly internalize by just reading it. In a talk presented at RubyWorld … Continue reading From Reading to Mastery: Turning Metaprogramming Ruby into a Hands-On Learning Platform
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
Smart Test Suites with Ruby
December 15, 2025 Lessons from Ruby World Conference 2025 At Ruby World Conference 2025, Masatoshi Seki (関 将俊) and Miwa Fukaya (深谷 美和) presented a talk grounded in something rare in our industry: more than 20 years of real testing history. Their presentation, “How to Create Today’s Recommended Tests”, introduces Ninja Testing — a testing … Continue reading Smart Test Suites with Ruby
Building LLM-Powered Applications in Ruby: A Practical Introduction
Building LLM-Powered Applications in Ruby: A Practical Introduction December 12, 2025 (Based on Koichi Ito’s “Ruby × LLM Ecosystem” presentation at Ruby World Conference 2025)** Large Language Models (LLMs) have rapidly evolved from experimental chatbots to foundational components of modern software. They now augment workflows in customer support, content generation, data analysis, and even development … Continue reading Building LLM-Powered Applications in Ruby: A Practical Introduction
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
🧰 Ruby Gems With Powerful Generators You Should Be Using in Your Rails Projects
December 9, 2025 A curated list of tools that accelerate development and keep your codebase clean One of the most underrated strengths of Ruby on Rails is its generator ecosystem. Beyond the native Rails generators, many gems ship with their own commands to scaffold authentication, background jobs, pagination, translations, slugs, geolocation, and much more. These … Continue reading 🧰 Ruby Gems With Powerful Generators You Should Be Using in Your Rails Projects
🚦 Understanding CORS in Modern Web Development
December 5, 2025 A Complete Guide for Ruby on Rails, React, and React Native Developers Cross-Origin Resource Sharing (CORS) is one of the most misunderstood parts of modern web development — and one of the most common sources of errors developers face when building APIs. If you’re working with Ruby on Rails, React, or React … Continue reading 🚦 Understanding CORS in Modern Web Development
The Ruby Bindings Every Rails Developer Should Know
December 3, 2025 By Germán Silva Bindings are one of the most underrated yet critical pieces of the Ruby ecosystem. They are the bridges that connect Ruby to native libraries, databases, protocols, and even hardware. Bring Your Next Project to Life with High-Quality Development Don’t miss the opportunity to take your project to the next … Continue reading The Ruby Bindings Every Rails Developer Should Know









