Your Test Suite Is Making Too Many Database Calls
Learn techniques to optimize your test suite by reducing unnecessary database calls, profiling hotspots, and writing efficient code. Improve build times and overall performance.
Don't Touch That
Explore debugging strategies through playful experimentation with Rails internals. Learn to override, extend, and disable framework components to gain deeper insights into Ruby on Rails functionality.
Gem Install - What Could Go Wrong?
Explore the risks of installing gems in Ruby applications and learn preventive measures against potential attacks in your dependencies.
Scaling Rails with JRuby in 2022
Explore JRuby's benefits for scaling Rails applications, including improved performance, resource efficiency, and true parallel threading on the Java Virtual Machine.
The Little Engines That Could
Explore Rails Engines: their nature, implementation, and use cases. Learn when and how to leverage these powerful tools in your Ruby on Rails projects for modular and efficient development.
Experimental Patterns in ActiveRecord
Explore innovative ActiveRecord patterns for scaling Rails applications, addressing N+1 queries, and improving model isolation. Learn from GitHub's experiences and discover new experimental techniques.
Reflecting on Active Record Associations
Explore the inner workings of Active Record associations by implementing custom belongs_to and has_many macros, gaining deeper insights into their functionality and design.
From Start to Published - Create a Game with Ruby
Learn to build and publish a game using Ruby and DragonRuby GameToolkit, from initial concept to final release, in this comprehensive tutorial.
Crystal for Rubyists
Explore Crystal, a compiled language similar to Ruby, learning its syntax, key differences, and advantages. Gain insights into transitioning from Ruby to Crystal programming.
Looking Into Peephole Optimizations
Explore Ruby VM's peephole optimizations: how they work, their impact on bytecode execution, and their effect on runtime performance. No prior bytecode experience needed.
Analyzing an Analyzer - A Dive into How RuboCop Works
Explore RuboCop's internals: Learn how this popular Ruby tool analyzes and auto-corrects code, diving into its mechanisms for linting, security checks, and style enforcement.
Building Native GUI Apps in Ruby
Discover how to create cross-platform desktop apps with native GUI using Ruby and Glimmer DSL for LibUI. Learn lightweight syntax, data-binding, and advanced features for efficient development.
The Three-Encoding Problem
Explore Ruby's unique approach to encodings, their impact on application correctness and performance, and learn to leverage rich encoding APIs beyond just force_encoding.
Discover Machine Learning in Ruby
Explore machine learning in Ruby using Andrew Kane's gems, focusing on computer vision neural networks for processing images and videos with satisfying visual feedback.
Ruby’s Core Gem
Exploring the potential of reimplementing Ruby's core library as a gem, discussing performance, readability, and other benefits of writing core functionality in Ruby itself.
Simulated Annealing - The Most Metal Algorithm Ever
Explore simulated annealing, a metallurgy-inspired algorithm for near-optimal solutions in constrained optimization problems, and learn to implement it using the Annealing gem in Ruby.
Boutique Machine Generated Gems
Explore automated gem creation using UI building blocks, generating clean Ruby code and docs for efficient API updates and improved developer experience.
scip-ruby - A Ruby Indexer Built with Sorbet
Explore scip-ruby, an open-source indexer for Ruby code navigation, built on Sorbet. Learn its development process, comparisons with IDEs, and insights into functional core design in developer tools.
Static Typing with RBS in Ruby
Explore Ruby's static typing ecosystem, comparing Sorbet and RBS type checkers. Learn to add type annotations and understand the interoperability between these systems.
Improving the Development Experience with Language Servers
Explore the Language Server Protocol (LSP) and its implementation to enhance Ruby development, improving code navigation and understanding for a better programming experience.
A Tale of Two Flamegraphs - Continuous Profiling in Ruby
Explore Pyroscope, a fast-growing profiling gem combining rbspy and speedscope. Learn its internals and how to use flamegraphs for analyzing application performance.