has-many

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How do I show attributes for has_many associations in Rails 3?

I have a Contact which has_many Campaigns. And a Campaign has_many Contacts开发者_如何转开发. However, a Contact may have a start_date and a status for each Campaign.[详细]

2023-03-13 19:33 分类：问答
grails - how to save ArrayList in db

I use grails-1.3.2 and hbase plugin. I have some difficulty in creating one-to-Many association with hbase (i can work with hibernate), so[详细]

2023-03-13 15:04 分类：问答
Rails Has Many Forms

I\'m having a bit of trouble getting forms for a has_many association to work for a shopping basket.The view is displaying the basket and has a table row for each item.Each row contains a text field s[详细]

2023-03-12 21:45 分类：问答
RoR How to do more than one Build association in the same block without loosing information?

I\'m just starting now a small project so I can learn more of the new possibilities in RoR 3 . So I was reading about associations between objects, more specific the \"build\" method. Mu problem is wh[详细]

2023-03-12 04:06 分类：问答
rails has_many association pass params to new form for create

I have a has_many association I would like to pass to the the list_advice_id to the New form for AdvisorConnection.My models are below:[详细]

2023-03-11 19:37 分类：问答
has_many through and polymorphic relationships

I don\'t know if this is possible, but here goes: FruitBasket has_many :apples has_many :bananas ######## What to put here to access Worm through its pest_holder relationship?[详细]

2023-03-11 18:47 分类：问答
In rails 2.3, how can I retrieve a collection of objects from a second-order has_many association?

I have a Partner model that has_and_belongs_to_many Projects, while each Project has_many Sites.I want to retrieve all sites for a given partner (and am not interested in the projects in between at th[详细]

2023-03-11 13:59 分类：问答
Nested Attributes not updating

With the following models: class Location < ActiveRecord::Base has_many:group_locations has_many:groups, :through =&开发者_JAVA技巧gt; :group_locations[详细]

2023-03-11 08:15 分类：问答
ruby on rails fetch activerecords with where clause

I have a simple question - basically I want to fetch all ActiveRecords of some model X which adhere to some conditions. I am trying to use the X.where method here but I am not sure how it will work. B[详细]

2023-03-10 06:55 分类：问答
has_many returns an array instead of ActiveRecord class

I am following OmniAuth railscasts and trying to implement the same with authlogic + fa开发者_运维知识库cebook instead of devise + twitter as shown in the railscast.[详细]

2023-03-10 05:18 分类：问答