I have a model defined as class A < ActiveRecord::Base belongs_to :b belongs_to :c end How do I create a new instance of A associated with both b and c.开发者_高级运维 I\'ve got the ids for b an
I have a model, Foo, that has_many Bars. It has a virtual attribute, current_baz, that returns the baz attribute of the latest Bar from the association (if one exists). I\'d like to define Foo.current
I have events and users/teams. class Event has_many :users, :through => :registrations end class User has_many :events, :through => :registrations
How would you map the dashed association using ActiveRecord? Is there any ActiveRecord-way of doing it? What I want is to get all unique available promotions fo开发者_JAVA百科r a particular item.
I have a problem with referenced_many and referenced_in relation model. My model is of following. Student references_many mobile_numbers
In the application I\'m building, I want to have Events.People can then register for the event by creating a team, by directly registering for an event (no team), or by joining an existing team.I orig
I\'开发者_JAVA技巧m trying to override the way rails apply and id to an associated object, for example:
I have models like this: c开发者_运维知识库lass Discussion < ActiveRecord::Base has_many :comments
I\'m building a rails app that allows athletes to create and manage timesheets for the sport of skeleton. I can\'t seem to wrap my brain around the correct associations between my models. Here\'s what
Right now I\'m building a social media app, where i want an user to have a rating per category, how would the association go? The way it needs to be setup it\'s Each user will have a different rating
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