validates-uniqueness-of

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validates_uniqueness_of field scoped to a has_one relationship

I have the following models: class Section < ActiveRecord::Base belongs_to :course has_one :term, :through => :course[详细]

2023-03-22 00:37 分类：问答
Rails: Append number to permalink, if permalink already taken

I would like to give John Doe the permalink john-doe-2, if there already is a john-doe-1. The number should be the next free one to be appended (\"john-doe-n\")[详细]

2023-03-19 17:55 分类：问答
validates_uniqueness_of failing with tests, machinist

I have a validates_uniqueness_of validation on my model: #SwimMeetRelayEvent.rb validates_uniqueness_of :event_number_digit, :scope => [:swim_meet_id, :event_number_alpha][详细]

2023-03-14 06:47 分类：问答
Rails 3: Uniqueness validation for nested fields_for

A have two models, \"shop\" and \"product\", linked via has_many :through. In the shop form there are nested attributes for multiple products, and I\'m having a little trouble with the product\'s uni[详细]

2023-02-20 22:00 分类：问答
Rail Model: Using validates_uniqueness_of with scope on attributes of associated entity?

I have Model defined as be开发者_JS百科low class One <Active:Record:Base { has_and_belongs_to_many :twos, {:join_table => \'map__ones__twos\'}[详细]

2023-02-17 22:48 分类：问答
Rails validates_uniqueness_of :scope on foreign key

I have a model \"Product\" that belongs_to \"Store\" (which has_many \"products\"). I want to validate the uniqueness of the product name but only within each store.[详细]

2023-02-10 13:39 分类：问答
Hibernate - a different object with the same identifier value was already associated with the session [duplicate]

This question already has answers here: Closed 10 years ago. Possible Duplicate: Spring + Hibernate : a different object with the same identifier value was already associated with the sessio[详细]

2023-01-07 09:55 分类：问答
Rails uniqueness constraint and matching db unique index for null column

I have the following in my migration file def self.up create_table :payment_agreements do |t| t.boolean:automatic, :default => true, :null => false[详细]

2023-01-01 03:12 分类：问答
Speech Recognition Server Does Not Stay Open

I am trying to create a simple program that loops for user speech input using com.apple.speech.recognitionserver. My code thus far is as follows:[详细]

2022-12-29 19:23 分类：问答
Error in loading component property (Swing GUI Forms)

For no apparent reason all my Swing GUI forms using components linked to org.jdesktop.beansbinding.Converter started generating errors when trying to open the Design View:[详细]

2022-12-25 14:57 分类：问答