I have a collection of objects like this public class ApplicationConfiguration { public virtual long ApplicationConfigurationId { get; set; }
This looks like not so rare problem, but yet I couldn\'t find a good solution. General info: Product that has_many Variants
I have something like the following: class Project < ActiveRecord::Base has_many :project_people has_many :people, :through => :project_people
I\'m pretty new to rails, and I 开发者_高级运维have some trouble getting the philosophy and finding the \"proper\" way to create an object as a dependency of an other one.
Following set-up: A user can have many addresses, but at least one of them is the main address. A foreign key in the user table should be used as a pointer to the main address record.
class Message has_many:threads,:class_nam开发者_如何学JAVAe=>\"Message\", :conditions => \"`#{Message.table_name}`.conversation_id = #{self.send(:conversation_id)}\"
this is index.html.erb <p> <%= number_to_currency(product.price) %> <%= button_to \'Add to Cart\', cart_items_path(:product_id => product) %>
Message has_many user_messages.It has two. 1 UserMessage will have the sender as user_id The other UserMessage will have the receiver as user_id
In rails 3, i know that i can force deletion of dependent objects on b开发者_开发百科elongs_to and has_many relations using the :dependent => :delete option. However i was wondering,
I have a basic question of relationship in RoR : In a view, I try to display the t开发者_C百科itle of a group, which is in the table \"groups\", and only the key \"group_id\" is stored in the table/o
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