Rails Routing from the Outside InThis guide covers the user-facing features of Rails routing.After reading this guide, you will know: How to interpret the code in config/routes.rb. How to construct your own routes, using either the preferred resourceful style or the match method. How to declare route parameters, which are passed onto controller actions. How to automatically create paths and URLs using route helpers. Advanced techniques such as creating constraints and mounting Rack endpoints.| Ruby on Rails Guides
Metaprogramming in Ruby enables you to produce elegant, clean, and beautiful programs as well as unreadable, complex code that’s not maintainable. This book teaches you the powerful metaprogramming concepts in Ruby, and how to use them judiciously.| Write Software, Well