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RSpec Expectations: You're Probably Using the Wrong Matcher August 3, 2026 If you've been writing Ruby tests for a while, chances are you've reached for eq more times than you can count. While it works for many scenarios, RSpec Expectations offers a much richer vocabulary for expressing intent. Choosing the right matcher isn't just about … Continue reading RSpec Expectations: You’re Probably Using the Wrong Matcher
How Ruby Implements Closures: What Really Happens When You Call lambda June 24, 2026 Why does a local variable survive after a method returns? Built for Ruby on Rails Build Maps WithoutGoogle APIs Generate beautiful production-ready maps directly from your Rails backend. Fast rendering, zero external dependencies, full control. View Live Demo → Read Docs … Continue reading How Ruby Implements Closures: What Really Happens When You Call lambda
libgd-gis: Filling Ruby's Graphics Gap and Building an Ecosystem March 26, 2026 For years, generating map tiles, GIS visualizations, and fast raster graphics in Ruby has been a painful experience. ImageMagick derivatives were slow. External services added latency and complexity. The old ruby-gd binding languished unmaintained. Then ruby-libgd arrived - a modern, actively maintained binding … Continue reading libgd-gis: Filling Ruby’s Graphics Gap and Building an Ecosystem
March 16, 2026 Published on RubyStackNews After the last article, Jupyter proved to be an awesome sandbox for testing code interactively. I spent the entire weekend asking myself one question: can Ruby render a real 3D plot? I started convinced the answer was no. By Sunday night, ruby-libgd had proven me wrong. The question nobody … Continue reading Ruby for Data Science — Is It Possible?
Image Processing in Ruby with GD: Exploring ruby-libgd v0.3.0 March 4, 2026 Image processing is usually associated with languages like Python or C++, but Ruby can also manipulate images efficiently thanks to bindings for native libraries. One of those libraries is libgd, a well-known C library used to dynamically generate and manipulate images such as … Continue reading Image Processing in Ruby with GD: Exploring ruby-libgd v0.3.0
Kaigi 2026 Is Approaching — Why the Global Ruby Community Should Pay Close Attention March 2, 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 & … Continue reading 🇯🇵 Kaigi 2026 Is Approaching — Why the Global Ruby Community Should Pay Close Attention
February 20, 2026 RubyKaigi 2024 — Historical ContextAlthough this presentation discusses Ruby 3.4–3.5 and the ecosystem has already moved forward to Ruby 4 by 2026, the strategic shift it describes — reducing the traditional standard library and externalizing functionality as gems — represents a fundamental change in Ruby’s philosophy rather than a version-specific roadmap.Understanding this … Continue reading 🧠 RubyKaigi 2024: A Deep Technical Shift in Ruby’s Standard Library (With Real Examples)
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
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 Not a tutorial, not a benchmark — just experimenting … Continue reading A quick DEMO of Ruby-LibGD v0.2.4.
January 22, 2026 libgd-gis, satellite imagery, and a new way to think about maps Most mapping libraries start from the same place: roads, labels, vectors, tiles. But what happens if the map itself is not the goal? What if the map is just a lens to observe the planet? This article is about how libgd-gis, … Continue reading A New View of Earth, Powered by Ruby
