I know there is alot of documentation out there on this stuff, but I can\'t seem to transform the associations in my head into rails even though the setup seems pretty simple.
I\'d like a good source on how to set up controller actions and forms for creating a resource inside the view of another resource that it belongs_开发者_运维问答to...Set up your controllers as you wou
I have the code class Magazine < ActiveRecord::Base has_many :ads end class Ad < ActiveRecord::Base
I have a the following polymorphic association set up: class Favorite < ActiveRecord::Base belongs_to :favoritable, :polymorphic => true
Summary Where City has many Locations (HABTM association), create a child record like this: a = Location.create(:name=>\'Site 1\', :city => City.create(:name=>\'A City\'))
Grails - H开发者_运维百科ow can I expose the id of a many-to-one association property without forcing a load of the entire object?
I have some entity in my application,and some of them are many-to-many association,when I try to delete them I get the error:\"Cannot delete or update a parent row: a foreign key constraint....\".
Im trying to setup a simple environment: class Member < ActiveRecord::Base has_many :microposts, :dependent => :destroy
I have a user model which has_one profile. The user model has a name attribute which is set when a user signs up. However, I want to let a user update that nam开发者_StackOverflowe attribute from the
I have a model named Post (blog post) and a model named Category. Each post belongs_to a category. Each category has an attribute named retainer that specifies the amount of time before a post \"expir
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