Welcome to the Treehouse Community

The Treehouse Community is a meeting place for developers, designers, and programmers of all backgrounds and skill levels to get support. Collaborate here on code errors or bugs that you need feedback on, or asking for an extra set of eyes on your latest project. Join thousands of Treehouse students and alumni in the community today. (Note: Only Treehouse students can comment or ask questions, but non-students are welcome to browse our conversations.)

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and a supportive community. Start your free trial today.

Ruby Build a Todo List Application with Rails 4 Build a Todo List Application with Rails 4 Editing Todo Items

what exactly does url_options do?

As far as I know, super is used to access a method with the same name of the current method from its superclass. I don't quite understand what url_options does, and why it runs although it isn't called in the edit method.

 def url_options
    {todo_list_id: params[:todo_list_id].merge(super)}
  end