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?