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? →

A quick DEMO of Ruby-LibGD v0.2.4.

Not a tutorial, not a benchmark — just experimenting with 2D and 3D rendering in Ruby and confirming that the foundation is already mature and reliable. Links: https://rubygems.org/gems/ruby-libgd https://github.com/ggerman/ruby-libgd # frozen_string_literal: true require "gd" W = 1400 H = 500 TEXT = "Ruby-LibGD v0.2.4" FONT = "/usr/share/fonts/truetype/dejavu/DejaVuSans-Bold.ttf" SIZE = 72 DEPTH = 32 img = … Continue reading A quick DEMO of Ruby-LibGD v0.2.4. →

Smart Test Suites with Ruby

December 15, 2025 Lessons from Ruby World Conference 2025 At Ruby World Conference 2025, Masatoshi Seki (関将俊) and Miwa Fukaya (深谷美和) presented a talk grounded in something rare in our industry: more than 20 years of real testing history. Their presentation, “How to Create Today’s Recommended Tests”, introduces Ninja Testing — a testing … Continue reading Smart Test Suites with Ruby →

Getting Started with the Faker Gem: A Fun Tool for Generating Test Data!

Getting Started with the Faker Gem: November 7, 2024 If you've ever needed some random data for testing or just wanted to add a bit of fun to your project, the Faker gem is here to help! Faker generates realistic, random data, like names, addresses, phone numbers, and even fictional characters, in seconds. Originally inspired … Continue reading Getting Started with the Faker Gem: A Fun Tool for Generating Test Data! →