标签associations - 这是页1 - GeneraCodice

UML class-diagram double association between classes

https://www.generacodice.com/cn/articolo/13657546/uml-class-diagram-double-association-between-classes

  uml  -  class-diagram  -  associations

StackOverflow

Can a model belong to many models which has_one of the first model?

https://www.generacodice.com/cn/articolo/13655275/can-a-model-belong-to-many-models-which-has-one-of-the-first-model

  ruby-on-rails  -  model  -  associations  -  has-one

StackOverflow

Association with multiple records in one form

https://www.generacodice.com/cn/articolo/13652449/association-with-multiple-records-in-one-form

  ruby  -  ruby-on-rails  -  activerecord  -  associations  -  nested-forms

StackOverflow

Rails 4.1 MissingAttributeError

https://www.generacodice.com/cn/articolo/13613218/rails-4-1-missingattributeerror

  ruby-on-rails  -  activerecord  -  associations  -  ruby-on-rails-4  -  ruby-on-rails-4.1

StackOverflow

Model Associations matching 2 Keys

https://www.generacodice.com/cn/articolo/13609657/model-associations-matching-2-keys

  ruby-on-rails  -  primary-key  -  associations  -  ruby-on-rails-4

StackOverflow

uml class diagram association

https://www.generacodice.com/cn/articolo/13578082/uml-class-diagram-association

  class  -  uml  -  associations

StackOverflow

Does rails association prevents a new record to be created like a foreign_key on a SQL create table would?

https://www.generacodice.com/cn/articolo/13576000/does-rails-association-prevents-a-new-record-to-be-created-like-a-foreign-key-on-a-sql-create-table-would

  sql  -  ruby-on-rails  -  associations  -  model-associations

StackOverflow

I've read not to nest resources more than 2. How should I nest my Hotel/Room/Visit Model?

https://www.generacodice.com/cn/articolo/13551673/i-ve-read-not-to-nest-resources-more-than-2-how-should-i-nest-my-hotel-room-visit-model

  ruby-on-rails  -  nested  -  associations  -  models

StackOverflow

Rails 3 has_one association: unlink associated object without destroying it?

https://www.generacodice.com/cn/articolo/13546474/rails-3-has-one-association-unlink-associated-object-without-destroying-it

  ruby-on-rails  -  associations  -  ruby-on-rails-3

StackOverflow

How do I associate these two objects correctly?

https://www.generacodice.com/cn/articolo/13507225/how-do-i-associate-these-two-objects-correctly

  ruby-on-rails  -  activerecord  -  associations

StackOverflow

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