Category: Ruby on Rails

The Odin Project: Why It’s One of the Best Ways to Learn Web Development

March 24, 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 & battle-tested Try the Live Demo → Read Docs If you’re looking for a structured, … Continue reading The Odin Project: Why It’s One of the Best Ways to Learn Web Development →

Ruby Sees the World: Automatic Measurement from Photos

Ruby Sees the World: Automatic Measurement from Photos March 23, 2026 Published on RubyStackNews What if Ruby could look at a photo of a house and tell you the width of the door, the height of the windows, and the total wall length? That is not science fiction. It is photogrammetry. And it is buildable … Continue reading Ruby Sees the World: Automatic Measurement from Photos →

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 →

FastImage Overview

FastImage Overview March 20, 2026 The Gem: Fetch image dimensions and type without downloading the entire file. The Problem Your app needs image dimensions from remote URLs (S3, CDN, etc.). Downloading 5MB just to learn the size is wasteful. The Solution FastImage reads only the file headers—typically 1-16KB—to determine size and type. Key Features Pure … Continue reading FastImage Overview →

2D Histograms in Pure Ruby

2D Histograms in Pure Ruby March 18, 2026 Published on RubyStackNews One of the most useful tools in exploratory data analysis is the 2D histogram. Not the bar chart kind — the density map kind. Given a cloud of points, it answers a simple question: where do most of them live? This article shows how … Continue reading 2D Histograms in Pure Ruby →

Ruby on Rails — Complete Reference of Methods, Classes & Features Not in Ruby

Ruby on Rails — Complete Reference of Methods, Classes & Features Not in Ruby March 17, 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 Ruby on Rails — Complete Reference of Methods, Classes & Features Not in Ruby →

SVG Generation in Ruby: A Practical Guide

SVG Generation in Ruby: A Practical Guide March 16, 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 developers … Continue reading SVG Generation in Ruby: A Practical Guide →

Ruby for Data Science — Is It Possible?

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? →

Choosing the Right Debugger: TracePoint, ISeq, and why your choice of debugger affects more than just comfort

Choosing the Right Debugger March 12, 2026 A Ruby Developer's Guide to TracePoint, ISeq, and why your choice of debugger affects more than just comfort If you write Ruby, you debug Ruby. Whether it's a subtle off-by-one error in a data pipeline or a race condition buried in a Rails controller, debugging is as much … Continue reading Choosing the Right Debugger: TracePoint, ISeq, and why your choice of debugger affects more than just comfort →