In brief: I\'m new to rails and am seeking some help regarding the correction way to associate models.
I\'d like to override the setter for an 开发者_如何学Cassociation, but write_attribute() isn\'t working - probably because that method only works for database columns.
I want a \"group\" to hav开发者_开发知识库e many members. I already have a user and a profile model, and if a user identifies itself as a \"group\", I want it to be able to list its members. Therefore
I\'m still not very clear about the way cascade works in deletion operations. I was wondering what happens if I have this:
In rails : I Need to save every activity of any model which are associated with One Model. For example:
How do I set up a case-insensitive association in Entity Framework between 2 tables where it exists a Foreign Key constraint and the column based on the relation is a string/nvarchar(50)?
I have a database which has multiple nested associates.Basically, the structure is as follows: Order -> OrderItem -> OrderItemPlaylist -> OrderPlaylistItem -> Track -> Artist
So I have a somewhat confusing relationship here, between a Note, Group, and User. And I ended up with has_many twice in my model. But I\'m开发者_如何转开发 currently focused on the Note & Group r
I try to setup an one-to-many / many-to-one entity association in Doctrine 2.0. Because i need a field \"read\" in the association-table user_message i\'ve got 3 entities.
I have seen many questions asking how to validate the presence of an association, but this question is a bit more complex.