has-many
Rails query using HMTH and multiple join models
I am using Rails 3 and wanted to get the classes a student has access to based upon the model below class Student[详细]
2023-01-27 22:53 分类：问答What's the rails way to load other models collections for new, edit update and create actions?
How is the best way to load Category model, for ProductController in new, edit update and create actions[详细]
2023-01-27 20:29 分类：问答NHibernate insert generates updates for collection items
How should I configure my mappings to avoid NHibernate updating my child entities\' foreign keys right after inserting them?[详细]
2023-01-27 06:28 分类：问答saving comments object with relationship to a status update .build ruby
I have a status update, and comment db table. A user has many status updates, and a status update has many comments. Similar to facebook, When a users friend goes to the users feed page (show page),[详细]
2023-01-26 07:13 分类：问答(Rails Question) Merging multiple polymorphic has_many relationships
(This is not the actual code I\'m using, although this sums up the idea of what I want to do) class Connection < ActiveRecord::Base[详细]
2023-01-26 01:59 分类：问答How to filter by more than 1 habtm association
I\'m pretty new at Rails, so don\'t kill me if this a stupid question =P I have the following models: class Profile < ActiveRecord::Base[详细]
2023-01-24 05:43 分类：问答Rails 3 single table inheritence w/ has_many question
I\'ve been trying to setup a Single Table Inheritance model in Rails开发者_开发技巧 3 in which the parent class also contains a has_many relationship.Unfortunately I can\'t get it to work.Here are thr[详细]
2023-01-22 03:31 分类：问答Rails RSpec Tests for a has_many :through Relationship
I\'m new to testing and rails but i\'m trying to get my TDD process down properly. I was wondering if you use any 开发者_开发问答sort of paradigm for testing has_many :through relationships? (or jus[详细]
2023-01-21 14:48 分类：问答Why is CakePHP duplicating my queries? (this is not the same "too many queries" problem that is usually asked)
I\'ve defined these relationships in my models: Lead hasMany Job Job HABTM Employee Job HABTM Truck I\'m trying to do a find(\'all\') from my Truck model, and limit the results to:[详细]
2023-01-21 14:08 分类：问答accepts_nested_attributes and validates_uniqueness_of
The central problem: How do you merge attribute collections by a key during mass assignment from a nested form.[详细]
2023-01-19 20:47 分类：问答
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
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