Backo questions

• Calling methods everywhere in a Ruby on Rails application
• Retrieve the controller name from a class name
• Rails 3.1: The new way to use 'respond_to ... format.js' without the 'page' variable
• How to DRY scope methods used in two different classes?
• How to test JavaScripts without to delete the `test` database data?
• How to generate a `link_to` URL passing some custom parameters?
• Is it possible to name a database table column with the word 'type' without incurring into problems?
• Handling Paperclip folder and file permissions using Ruby on Rails
• How to alias a class method within a module?
• How to "touch" a parent model of a `belongs_to` association only if certain conditions are met?

Backo answers