Linking Ruby knowledge from the most remote places in the world.
Independent Ruby & Rails publication for engineers and technical leaders worldwide
May 26, 2026 Rubyβs elegance hides an extremely sophisticated runtime underneath. Features like blocks, lambdas, closures, binding, method(:foo), and even &:to_s rely on a dense set of VM internals implemented in CRubyβs proc.c. This file is one of the best entry points for understanding how Ruby models executable code objects. The source analyzed here comes … Continue reading Understanding Ruby Proc Internals Through proc.c
May 19, 2026 Most Ruby developers use HTTP every day. Whether through: Rails API integrations webhooks OAuth providers payment gateways microservices REST clients β¦underneath the stack, many requests still pass through Rubyβs classic net/http. But few developers ever explore how it actually works internally. Inside Rubyβs standard library lives a surprisingly sophisticated networking engine featuring: … Continue reading Inside Rubyβs net/http: Exploring the Networking Engine Behind Ruby APIs
May 18, 2026 Introduction This tutorial explores the internals of the JSON library used by entity ["software","Ruby","CRuby interpreter"]. The archive contains: Native C parser implementation Native C generator implementation SIMD optimizations Floating-point conversion algorithms Buffer management infrastructure Ruby wrapper APIs JSON additions for Ruby core classes Build system integration Repository structure: json/ βββ parser/ β … Continue reading Inside Ruby’s JSON Library: Complete Deep Dive
May 14, 2026 In-depth technical analysis Β· RubyStackNews Β· Concurrency & Performance For decades, the Global VM Lock (GVL) β also known as the GIL β was CRuby's great concession: the safety and simplicity of an object model free of data races, in exchange for not being able to execute Ruby code in parallel within … Continue reading Ractors: Real Parallelism in Ruby Without the GVL
Ruby Numeric Deep Dive: Useful Methods You Probably Underuse (With Examples) May 13, 2026 Ruby Numeric Deep Dive: Useful Methods You Probably Underuse (With Examples) Rubyβs Numeric, Integer, Float, and Math modules expose a rich API that goes far beyond basic arithmetic. This guide focuses on useful, practical methods, with clear examples and real-world use … Continue reading Ruby Numeric Deep Dive: Useful Methods You Probably Underuse (With Examples)
Introducing ruby-charts: Native Charts for Ruby May 10, 2026 Last Friday I released ruby-charts, a gem for generating charts directly in Rubyβno JavaScript, no external APIs. 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 β … Continue reading π Introducing ruby-charts: Native Charts for Ruby
May 7, 2026 Modern chart rendering usually assumes a browser, a JavaScript runtime, or a frontend stack. But many Ruby applications do not actually need interactive dashboards. They need deterministic image generation. Things like: scheduled reports PDF exports transactional emails admin dashboards analytics snapshots CI metrics server-side rendering pipelines That was the motivation behind building … Continue reading Generating Charts in Pure Ruby Without JavaScript
Why Ruby's Hash Pattern Parser Update Matters for Your Code May 6, 2026 Reference: Ruby ParserιηΊζ₯θͺ - Hash patternε―ΎεΏ (Day 42) 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 β Read Docs β No API … Continue reading Why Ruby’s Hash Pattern Parser Update Matters for Your Code
What RubyGems Stats Actually Reveal About the Ecosystem May 4, 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 β Read Docs β No API fees β Self-hosted β Rails Native β Fast Rendering Why … Continue reading What RubyGems Stats Actually Reveal About the Ecosystem
Opal: Running Ruby in the JavaScript Runtime (Without Losing Your Mind) April 29, 2026 Ruby has always been a server-first language. But what if you could take Ruby beyond MRI and run it directly in the browser, or even on the edge? Thatβs exactly what Opal enables. Opal is not just a transpiler. Itβs a … Continue reading Opal: Running Ruby in the JavaScript Runtime (Without Losing Your Mind)
Linking Ruby knowledge from the most remote places in the world. 