Category: Hobbies

Spinel in Practice: What Works and What Breaks

Spinel in Practice: What Works and What Breaks April 27, 2026 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 ✓ No API fees ✓ Self-hosted ✓ Rails Native ✓ Fast Rendering Why … Continue reading Spinel in Practice: What Works and What Breaks →

MapView: Static maps for Rails. No JS. No frontend. Just Ruby.

MapView: Static maps for Rails. No JS. No frontend. Just Ruby. April 7, 2026 🚀 See the LIVE DEMO in action MapView Render maps directly from your backend no external APIs required. Fast, controlled, and production-ready. Try the demo → From the creator of ruby-libgd and libgd-gis comes native Rails integration Many of you already … Continue reading MapView: Static maps for Rails. No JS. No frontend. Just Ruby. →

From := to :=: How Go Brought Me Back to My Pascal and Delphi Days

From := to :=: How Go Brought Me Back to My Pascal and Delphi Days March 31, 2026 🚀 See the LIVE DEMO in action MapView Render maps directly from your backend no external APIs required. Fast, controlled, and production-ready. Try the demo → It happened on a Tuesday. I was writing a small microservice … Continue reading From := to :=: How Go Brought Me Back to My Pascal and Delphi Days →

GitHub Deletes Your Traffic Logs Every 14 Days. Here’s How to Stop That with Ruby

GitHub Deletes Your Traffic Logs Every 14 Days. Here's How to Stop That with Ruby March 30, 2026 🚀 See the LIVE DEMO in action MapView Render maps directly from your backend no external APIs required. Fast, controlled, and production-ready. Try the demo → Motivation: I didn't want to lose the metrics for ruby-libgd and … Continue reading GitHub Deletes Your Traffic Logs Every 14 Days. Here’s How to Stop That with Ruby →

Can Ruby Read an X-Ray? Building a Medical Image Processor

Can Ruby Read an X-Ray? Building a Medical Image Processor March 23, 2026 Published on RubyStackNews Nobody expects Ruby to process medical images. That is exactly why I tried it. This article is about building a medical image analysis prototype in pure Ruby using ruby-libgd as the rendering and pixel manipulation engine. No Python. No … Continue reading Can Ruby Read an X-Ray? Building a Medical Image Processor →

Plotting Mathematical Functions in Ruby, Inside Jupyter

Plotting Mathematical Functions in Ruby, Inside Jupyter March 13, 2026 ruby-libgd: Scientific Plotting Comes to Ruby The Envy We Never Talked About Anyone who has spent serious time with Ruby and then watched a Python developer type plt.show() to produce a beautiful Matplotlib graph in a Jupyter notebook knows the feeling. It is not quite … Continue reading Plotting Mathematical Functions in Ruby, Inside Jupyter →

🎾 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 →

🇯🇵 Kaigi 2026 Is Approaching — Why the Global Ruby Community Should Pay Close Attention

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 →

Stabilizing a Native Ruby GIS Engine with Docker, RuboCop, and CI

January 26, 2026 For many years, Ruby developers working with maps and geospatial data have relied on external tools or loosely coupled pipelines. ImageMagick, command-line utilities, and background processes became the norm, even though they were never designed to be deterministic GIS rendering engines. The result was fragile systems: slow, hard to debug, and difficult … Continue reading Stabilizing a Native Ruby GIS Engine with Docker, RuboCop, and CI →