belongs-to
Why is my user_id nil?
def destroy @dignity.destroy end Sorry, that\'s not code, that\'s just how I feel right now.I know there are a ton of beginner questions on Devise, I think I looked at almost every single one.[详细]
2023-02-11 05:29 分类:问答Can "touch" be used on a belongs_to polymorphic relationship in Rails?
I expected the following to work: class Attachment < ActiveRecord::Base belongs_to :attachable, :polymorphic => tr开发者_JAVA百科ue, :touch => true[详细]
2023-02-09 22:00 分类:问答In a Facebook-like social network programmed in Rails, where in the database would you store that a user "likes" a Page?
I\'m creating a social network in Rails. I have a User model and a Page model. Users can \"follow\" or subscribe to Pages. So a user can have many pages and a page can have many users. How wou开发者_高[详细]
2023-02-08 20:27 分类:问答Rails: Issue with multi-level has_many and undefined method
I\'m getting an undefined method \'answers\' error with this: @survey.questions.answers Just running @survey.questions works as you\'d expect.开发者_JS百科[详细]
2023-02-08 09:25 分类:问答Many to many database
This is probably basic stuff, but I really made my homework looking it up. I still can´t find the solution.[详细]
2023-02-06 18:16 分类:问答Dynamically typed associations with STI models
I have a parent model Account with multiple subclasses using STI. I want to associate another model Transaction using a belongs_to relationship to Account. The referenced account could be either an As[详细]
2023-02-06 00:37 分类:问答Rails, finding object with multiple dates in has_many assocation
I\'m pretty new to Rails, and the problem I\'m bumping into is described as followes: First, there is a table with houses.[详细]
2023-02-04 19:22 分类:问答How do I find a child's parent through a has_one association in Rails3?
Say I have the following models: class Parent < ActiveRecord::Base has_one :child end class Child < ActiveRecord::Base[详细]
2023-02-01 09:14 分类:问答rails - How do I set the id value of new record of model in has many/belongs to relationship?
I\'m trying to create a record开发者_StackOverflow中文版 that in in a has_many and belongs_to relationship[详细]
2023-01-31 18:12 分类:问答Does Grails cascade deletes when not using domain.delete()?
From the Grails site: http://www.grails.org/doc/1.0.x/guide/5.%20Object%20Relational%20Mapping%20(GORM).html[详细]
2023-01-30 23:48 分类:问答