Rack::Request extension for handling User-Agent

Enable YJIT

Rails 6.1 version of headius/pgrailsbench with database seeds

Change a non-default gem to a default gem in your local environment

Convert markdown to keynote

Tutorial to write a Ruby JIT

HTML escape utility for Ruby

MRI method JIT compiler based on original stack-based YARV instructions (Development Repository of ruby/ruby#1782, already merged)

High Performance Haml Implementation

An ERB extension that supports <%-=

Yet Another N+1 COUNT Query Killer for ActiveRecord

N+1 count query killer for ActiveRecord