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All Model Solutions on Gang of Coders
Total of 68 Model Solutions
Ruby on Rails: errors.add_to_base vs. errors.add
Ruby on-Rails
Ruby
Validation
Model
Can Django automatically create a related one-to-one model?
Django
Django Models
Model
How do you validate uniqueness of a pair of ids in Ruby on Rails?
Ruby on-Rails
Validation
Model
Unique Constraint
How to set a default attribute value for a Laravel / Eloquent model?
Php
Model
Laravel
Laravel 4
Eloquent
Django model: NULLable field
Django
Postgresql
Model
Null
Generating Swift models from Core Data entities
Xcode
Core Data
Model
Swift
Nsmanagedobject
PHPStorm is not recognizing methods of my Model class in Laravel 5.0
Php
Laravel
Model
Eloquent
Phpstorm
Doctrine2: Best way to handle many-to-many with extra columns in reference table
Php
Orm
Model
Doctrine
Doctrine Orm
How to automatically create an initializer for a Swift class?
Ios
Swift
Struct
Model
Initialization
Rails Model has_many with multiple foreign_keys
Ruby on-Rails
Ruby
Model
Has Many
Rails model validation on create and update only
Ruby on-Rails
Validation
Model
DTO or Domain Model Object in the View Layer?
Model
Dto
Data Transfer-Objects
Do i need to create automapper createmap both ways?
asp.net Mvc-3
Model
Viewmodel
Automapper
How do I prevent deletion of parent if it has child records?
Ruby on-Rails
Model
Associations
When to use Class or Interface in Angular project?
Angular
Typescript
Class
Model
Is there a way to get a collection of all the Models in your Rails app?
Ruby on-Rails
Activerecord
Collections
Model
Rails :dependent => :destroy VS :dependent => :delete_all
Ruby on-Rails
Ruby
Model
Associations
Rails find_or_create_by more than one attribute?
Ruby on-Rails
Activerecord
Model
Many to-Many
Dynamic Attributes
AngularJS - Binding radio buttons to models with boolean values
Angularjs
Data Binding
Model
Radio
Determine what attributes were changed in Rails after_save callback?
Ruby on-Rails
Ruby on-Rails-4
Model
Callback
Observer Pattern
Accessing MVC's model property from Javascript
C#
Javascript
Jquery
asp.net Mvc
Model
Cannot overwrite model once compiled Mongoose
node.js
Mongodb
Model
Express
Mongoose
ASP.NET MVC Yes/No Radio Buttons with Strongly Bound Model MVC
C#
asp.net Mvc
Model
Radio Button
Boolean
Removing a model in rails (reverse of "rails g model Title...")
Ruby on-Rails
Ruby
Model
Migration
How to query database by id using SqlAlchemy?
Python
Sql
Model
Sqlalchemy
How should a model be structured in MVC?
Php
Oop
Model View-Controller
Architecture
Model
Difference between interfaces and classes in Typescript
Angular
Typescript
Class
Interface
Model
How to load json into my angular.js ng-model?
Javascript
Ajax
Angularjs
Model
Using helpers in model: how do I include helper dependencies?
Ruby on-Rails
Ruby
Activerecord
Model
what is difference between a Model and an Entity
Entity Framework
Model
Entity
Viewmodel
Datamodel
Rails "validates_uniqueness_of" Case Sensitivity
Ruby on-Rails
Validation
Model
Rspec doesn't see my model Class. uninitialized constant error
Ruby on-Rails
Testing
Model
Rspec
Eloquent ORM laravel 5 Get Array of ids
Php
Laravel
Laravel 5
Eloquent
Model
What is the difference between an MVC Model object, a domain object and a DTO
Model View-Controller
Model
Architecture
Dto
Rails: Validating min and max length of a string but allowing it to be blank
Ruby on-Rails
Ruby
Validation
Model
How to rename rails controller and model in a project
Ruby on-Rails
Model
Controller
Rename
ASP.NET MVC Model vs ViewModel
asp.net Mvc
asp.net Mvc-2
Model
Viewmodel
DisplayNameFor() From List<Object> in Model
C#
asp.net Mvc
Razor
Model
Using ActiveRecord, is there a way to get the old values of a record during after_update
Ruby on-Rails
Activerecord
Model
Callback
Check if an object exists
Python
Database
Django
View
Model
Rails: Update model attribute without invoking callbacks
Ruby on-Rails
Ruby
Model
Attributes
Callback
Django's ManyToMany Relationship with Additional Fields
Database
Django
Model
Many to-Many
Django Queryset with filtering on reverse foreign key
Django
Model
Filter
Django Queryset
Raise a validation error in a model's save method in Django
Django
Validation
Model
Validationerror
Get Android Phone Model programmatically , How to get Device name and model programmatically in android?
Android
Model
Device
Android Hardware
Django get list of models in application
Python
Django
Model
Django required field in model form
Python
Django
Forms
Model
Widget
How to access URL helper from rails module
Ruby on-Rails
Ruby
Url
Model
Helper
Fat models, skinny controllers and the MVC design pattern
Model View-Controller
Cakephp
Model
Controller
Django - Model graphic representation (ERD)
Django
Model
Diagram
Erd
All Levels of a Factor in a Model Matrix in R
R
Matrix
Model
Indicator
DDD - Persistence Model and Domain Model
Oop
Model
Repository
Domain Driven-Design
Repository Pattern
Where Should Model State Be Stored In Angular.js
Javascript
Model
Angularjs
State
Rails before_validation strip whitespace best practices
Ruby on-Rails
Validation
Model
Should I make a DateRange object?
.Net
Model
Tuples
Date Range
Differentiating between domain, model, and entity with respect to MVC
Model View-Controller
Design Patterns
Model
Entity
Domain Object
ForeignKey does not allow null values
Django Rest-Framework
Model
Foreign Keys
Serialization
How to know whether a model is new or not?
Ruby on-Rails
Ruby
Model
Populating django field with pre_save()?
Python
Database
Django
Model
Triggers
Ignore mapping one property with Automapper
C#
Model
Viewmodel
Automapper
Object Object-Mapping
DDD and MVC: Difference between 'Model' and 'Entity'
Php
Model View-Controller
Model
Domain Driven-Design
Entity
How can I set two primary key fields for my models in Django?
Python
Django
Django Models
Model
Primary Key
How I can put composite keys in models in Laravel 5?
Php
Laravel
Model
Composite Primary-Key
Case insensitive unique model fields in Django?
Python
Django
Postgresql
Model
Email model validation with DataAnnotations and DataType
C#
asp.net Mvc
Validation
Email
Model
Rails after_initialize only on "new"
Ruby on-Rails
Model
Nested Attributes
Rails has_many with dynamic conditions
Ruby on-Rails
Model
How can I iterate over ManyToManyField?
Python
Database
Django
Orm
Model