Gemfile のグループ化は明確にしよう、という話 お題のGemfile source 'https://rubygems.org' gem 'rails', '~> 4.2' gem 'sqlite3' gem 'coffee-rails', '~> 4.0.0' gem 'haml' gem 'jbuilder', '~> 2.0' gem 'jquery-rails' gem 'faraday' gem 'rails_con…

Ruby 2.2.2 できる class Some class << self def some_func p 'func!' end end end class Emos < Some end Emos.some_func #=> 'func!'

REST API Best practices: Where to put parameters?stackoverflow.com