Multiple callbacks can be involved every time a request is made to a Rails controller. Learn how they are ordered and how you can manipulate them to your advantage in this post.| reganchan.ca
Action Controller OverviewIn this guide, you will learn how controllers work and how they fit into the request cycle in your application.After reading this guide, you will know how to: Follow the flow of a request through a controller. Access parameters passed to your controller. Use Strong Parameters and permit values. Store data in the cookie, the session, and the flash. Work with action callbacks to execute code during request processing. Use the Request and Response Objects.| Ruby on Rails Guides
Layouts and Rendering in RailsThis guide covers the basic layout features of Action Controller and Action View.After reading this guide, you will know: How to use the various rendering methods built into Rails. How to create layouts with multiple content sections. How to use partials to DRY up your views. How to use nested layouts (sub-templates).| Ruby on Rails Guides