has-and-belongs-to-many

相关标签：javascript jquery android 多少钱 iPhone

CakePHP beforeSave & HABTM

I\'m trying to write some beforeSave logic in CakePHP 2.0 beta. Basically I want the user to be able to submit some text for tag-like functionality. The beforeSave function would search a related tabl[详细]

2023-03-28 00:29 分类：问答
CakePHP HABTM find all records that have associated records

I have a model - \"Category\" which HABTM \"Blog\".I need to create a query that will only select categories that have more zero blogs associated with them.I\'m having t开发者_高级运维rouble working o[详细]

2023-03-27 07:33 分类：问答
Accessing a table in Ruby on Rails via relationship

I\'m trying to build an inventory system for the various servers and apps we have. I have the following tables/Models:[详细]

2023-03-25 23:13 分类：问答
How do I fetch HABTM related objects on a form after validation failed?

I have a very common HABTM relationship between Product and Category. I\'m based on Railscasts Episode #17. The problem I\'m facing is related to the way all the categories are fetched to show them in[详细]

2023-03-25 18:32 分类：问答
Save associated data into database with cakephp and HABTM

I have 2 tables: release_servers and release_components I have a link table release_server_to_components[详细]

2023-03-24 16:24 分类：问答
CakePHP Conundrum - Saving In A HasMany Relationship

Okay, I\'m tying myself up in knots here - I need clearer heads than mine to cut through to the centre of the problem![详细]

2023-03-24 11:06 分类：问答
to_xml Doesn't Work on Objects Returned Through Rails ActiveRecord habtm Reference

I have two rails active record classes, School and Instructor linked by a has_and_belongs_to_many relationship.[详细]

2023-03-23 01:37 分类：问答
Validating HABTM Checkbox's

I have multiple check boxes from a many to many relationship, And i\'m trying to validate them so that none of the fields need a value to continue. At the moment if i try to create a user without as开[详细]

2023-03-21 22:08 分类：问答
Query on two HABTM models (Rails3)

I have two models, Clients and Items with a HABTM association. I would like to find the fastest way to select all Clients, which have several (more than one) of the items (or a certain number of items[详细]

2023-03-21 01:20 分类：问答
How to set up a typical users HABTM roles relationship

I\'m quite new to this an开发者_如何学God I\'m using cancan + devise for my user auth. However I\'m not really sure what it means to set up a typical users HABTM roles relationship nor do I really und[详细]

2023-03-20 17:23 分类：问答