Kevin questions

Kevin answers

• Ruby on Rails: Why a select box does not show the current object value?
• Adding and removing from a has_many :through relation
• Ruby on Rails: Are "form_for(:product, ...)" and "form_for(@product, ...)" equivalent?
• activerecord find through association
• Address family not supported by protocol family
• How to make Rails 3.1 use SASS (Over SCSS) as the default?