model

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How do you validate uniqueness of a pair of ids in Ruby on Rails?
user_349350
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55
6
36247
validation unique-constraint model ruby-on-rails
Ruby on Rails: errors.add_to_base vs. errors.add
user_458490
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58
3
73114
validation model ruby-on-rails ruby
Rails "validates_uniqueness_of" Case Sensitivity
Abi_Noda_749800
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103
4
62661
validation model ruby-on-rails
Using ActiveRecord, is there a way to get the old values of a record during after_update
user_363080
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90
10
60356
callback model activerecord ruby-on-rails
Is there a way to get a collection of all the Models in your Rails app?
Urf_226870
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229
29
123400
model collections activerecord ruby-on-rails
Using helpers in model: how do I include helper dependencies?
O_Frabjous-Dey_455530
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116
6
110314
model activerecord ruby-on-rails ruby
MVC: Data Models and View Models
Erik_169420
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49
7
12217
separation-of-concerns model model-view-controller
Fat models, skinny controllers and the MVC design pattern
RyOnLife_745520
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75
2
12533
controller model cakephp model-view-controller
Rails Model has_many with multiple foreign_keys
Kenzie_136360
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51
8
24542
has-many model ruby-on-rails ruby
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