associations
Rails: has_many through association - did I get this right?
I building a photo sharing web application using Rails 3.1. I just want to verify that I got the associations right.[详细]
2023-04-06 01:11 分类：问答ActiveRecord :inverse_of does not work on has_many :through on the join model on create
I can\'t get inverse_of to work on join models on creation. I\'m not sure if this is a bug or just not implemented as such.I have the following models:[详细]
2023-04-05 17:34 分类：问答How to write specs for rails associations?
They say the perfect test just includes the test framework and the class being tested; everything else should be mocked. Then, what about associations?[详细]
2023-04-05 15:40 分类：问答Using ActiveRecord.create with belongs_to associations
I\'m using Rails 3.1 and have a simple transaction class that references a User model: class User < ActiveRecord::Base[详细]
2023-04-05 13:09 分类：问答Rails 3 - associations
I print in my view a number that tell me, how many people read my article. It looks something like a:[详细]
2023-04-04 22:01 分类：问答Is has_and_belongs_to_many the appropriate association here?
In my rails app, each User can create many Competitions and each Competition can have many Users entering the competition. I am wondering whether using has_and_belongs_to_many is appropriate because s[详细]
2023-04-04 15:19 分类：问答How to relate or associate an object in JavaScript to an HTML element?
How to relate or associate an object in JavaScript to an HTML element? For each object in an array, I generate a checkbox input element based on that object.[详细]
2023-04-04 03:57 分类：问答ActiveRecord association with restriction
Driver has_many Cars Car has_one Owner I would like to return Drivers which have Cars with owner_id=1 Here\'s the catch.I would like to return ALL Drivers with the Cars (with owner_id=1) eager loaded[详细]
2023-04-03 18:01 分类：问答Improving an ':has_many :through' association in order to retrieve data
I am using Ruby on Rails 3.0.10 and I would like to improve some code (keep reading for more information) that retrieves data from the database using an :has_many :through association.[详细]
2023-04-03 13:06 分类：问答Loading associations in RIA Services + Entity Framework Code-First
I have just transferred my EF 4.0 Solution to use EF 4.1 Code-First. Everything went smooth and I was able to get data from DB and show it in my Silverlight project using WCF RIA Services 1.0SP2-RC in[详细]
2023-04-03 11:27 分类：问答
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
加载中,请稍侯......