nested-attributes

相关标签：javascript jquery android 多少钱 iPhone

what is the best practice when do the CRUD for the nested object

Sometime I have to do the CRUD operation for some nested objects. Take the \"create tab开发者_如何转开发le\" operation in oracle console for exmaple:[详细]

2023-03-15 09:22 分类：问答
Retrieve records inserted with nested attributes

I am using accept_nested_attributes to save records. I want to access ids of the child records created.[详细]

2023-03-15 07:44 分类：问答
How to prevent duplicate data in a model when using accepts_nested_attributes_for?

class Student < ActiveRecord::Base has_many :enrollments has_many :courses, :through => :enrollments[详细]

2023-03-14 01:53 分类：问答
Rails fields_for duplicate forms for existing records after validation

I\'ve come across a rather bizarre error. I have a nested form that works as expected except when a validation fails on an existing record. When a validation fails on an existing record, the re-render[详细]

2023-03-13 19:09 分类：问答
Use rails nested model to *create* outer object and simultaneously *edit* existing nested object?

Using Rails 2.3.8 Goal is to create a Blogger while simultaneously updating the nested User model (in case info has changed, etc.), OR create a brand new user if it doesn\'t exist yet.[详细]

2023-03-13 09:19 分类：问答
Save multiple google maps points as nested attributes on Rails

I have created a scaffold named \"Travel\", which have as nested attribute \"Points\". When I go to the \"edit\" page of \"Travel\", I open the js of google maps, and I want t开发者_Python百科o let t[详细]

2023-03-12 04:54 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
Rails 3 -- Build not saving to database (Railscast 196)

I\'m following along with railscast 196. I\'ve got two levels of associations. App -> Form -> Question. This is the new action in the form controller.[详细]

2023-03-10 14:20 分类：问答
How to access associated table attributes in validation before they are saved in Ruby on Rails

I want to be able to skip validation if a certain attribute is set to false, say status,problem is this model has many nested attributes to them, and they need to skip validation too if status is fals[详细]

2023-03-09 03:49 分类：问答
Can't mass-assign protected attributes

Updating the code formatting for better viewing. Folks, I have been looking at this for sometime but I don\'t understand what could be messing up here. I am using Devise.[详细]

2023-03-08 19:46 分类：问答