If you want the /person url to map to your dog controller and show method, what do you add to your routes?

What is the use of the 'defined?' method?

Which of these javascript frameworks became the default with the release of Rails 3.1?

What is the use of @ in Ruby?

Imagine that you have two models: 'User' and 'Book', and a user can have only one book. How should the association look like in the 'User' model?

What file will rails look for given the following erb: <%= render 'some_partial' %>?

Which choice includes standard REST HTTP verbs?

In Rails, which code would you use to define a route that handles both the PUT and PATCH REST HTTP verbs?

Which module can you use to encapsulate a cohesive chunk of functionality into a mixin?

What is before_action (formerly known as before_filter)?

Which statement correctly describes a difference between the form helper methods form_tag and form_for?