Linking Ruby knowledge from the most remote places in the world.
Independent Ruby & Rails publication for engineers and technical leaders worldwide
January 5, 2026 How ruby-libgd brings a real raster engine back to Ruby For many years, Ruby quietly lost something fundamental: The ability to generate images natively, fast, and with full control. Yes, RMagick and MiniMagick exist. But they depend on external binaries, are slow, fragile in production, and unsuitable for things like: map tile … Continue reading Ruby Can Create Images Again
Ruby on Rails Developer | Ruby, Backend January 2, 2026 In late 2025, during a RubyConf presentation about disaster-response systems, an uncomfortable truth was stated publicly: Generating map tiles and images on the server is difficult in Ruby. RMagick and MiniMagick were too slow. ruby-gd is used, but it is poorly maintained. This was not … Continue reading Rebuilding Ruby’s Image Processing Layer: Why ruby-libgd Matters for GIS and the Future of Ruby
December 31, 2025 How Bloomo built a regulated trading system from scratch By Satoshi Kobayashi (noel), CTO – Bloomo Securities RubyWorld Conference 2025 – Day 1 Introduction At RubyWorld Conference 2025, Satoshi Kobayashi (小林悟史 / noel), CTO of Bloomo Securities Inc., delivered one of the most consequential Ruby case studies in recent years: “Building a … Continue reading Building a Securities Brokerage with Ruby and Go
Inside DENTIS, the cloud dental platform built by Medley, Inc. In 2025, at RubyWorld Conference, Toshio Maki — Engineering Manager and Head of the Dental Clinic Business Unit at Medley, Inc. — presented one of the most impressive real-world applications of Ruby in modern healthcare p30-2. The talk, titled: “Ruby powering Dental DX – Development … Continue reading How Ruby Powers One of the Most Complex Healthcare Systems in the World
Ruby 4 with Ruby::BOX December 24, 2025 Ruby 4 introduces one of the most important runtime features in the history of the language: Ruby::BOX. It allows Ruby to execute multiple isolated class worlds inside the same process, finally making it possible to load conflicting libraries, plugins, and user code safely. In this guide we will … Continue reading Running Ruby 4 with Ruby::BOX inside Docker (Alpine)
December 23, 2025 Inspired by a talk by Yudai Takada (@ydah) at Hokuriku Ruby Kaigi 01 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 … Continue reading Building a DFA-Based Regular Expression Engine in Ruby
December 19, 2025 How Ruby, Parser Theory, and Linguistic Precision Solved a Problem No One Wanted At RubyWorld Conference 2025, Mu-Fan Teng (鄧慕凡)—founder of 5xRuby and long-time Ruby community leader—presented a talk that quietly demonstrated something powerful: compiler theory is not limited to programming languages. In “Parsing Taiwanese Like Code”, Teng showed how a real-world … Continue reading Parsing Taiwanese Like Code
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)
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
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
Linking Ruby knowledge from the most remote places in the world. 