what are the inheritance styles in django?
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["Abstract Base Classes: This style is used when you only wants parent's class to hold information that you don't want to type out for each child model.", 'Multi-table Inheritance: This style is used If you are sub-classing an existing model and need each model to have its own database table.']
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Inheritance dictates that a child class (subclass) inherits all the attributes and methods from a parent class (superclass). Encapsulation dictates that one class must not have access to the (private) data of another class.
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Django generic views are just view functions (regular old python functions) that do things that are very common in web applications. Depending on the type of app you are building, they can save you from writing a lot of very simple views.
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['Visual Style.', 'Freeform Style.', 'Instructor Style.', 'Coach Style.', 'Storytelling Style.', 'Connector Style.', 'Lessig Style.', 'Takahashi Style.']
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The override keyword is used to extend or modify a virtual/abstract method, property, indexer, or event of base class into derived class. The new keyword is used to hide a method, property, indexer, or event of base class into derived class.
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Composition is usually used for wrapping classes and to express relationships between classes that contain one another. Inheritance is used for polymorphism, where you have a base class and you want to extend or change its functionality. ... It means deriving properties, characteristics and behaviors from a parent class.
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['RULE 1: Multiple Inheritance is NOT permitted in Java.', 'RULE 2: Cyclic Inheritance is NOT permitted in Java.', 'RULE 3: Private members do NOT get inherited.', 'RULE 4: Constructors cannot be Inherited in Java.', 'RULE 5: In Java, we assign parent reference to child objects.']
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Angular is a javascript based MVC frontend framework while Django is a Python based MTV backend framework. Angular can independently be used as a framework if you are not using any REST calls or not getting data from the server, this is usually never done as it defeats the purpose of SPAs.
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To favor composition over inheritance is a design principle that gives the design higher flexibility. It is more natural to build business-domain classes out of various components than trying to find commonality between them and creating a family tree.
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Python Inheritance. Inheritance allows us to define a class that inherits all the methods and properties from another class. Parent class is the class being inherited from, also called base class. Child class is the class that inherits from another class, also called derived class.
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['Parent to Child: via Input.', 'Child to Parent: via Output() and EventEmitter.', 'Child to Parent: via ViewChild.', 'Unrelated Components: via a Service.']
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Inheritance is one in which a new class is created (derived class) that inherits the features from the already existing class(Base class). Whereas polymorphism is that which can be defined in multiple forms. ... Inheritance supports the concept of reusability and reduces code length in object-oriented programming.
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['JavaScript local/global scope.', 'JavaScript local/global scope (arrow functions)', 'JavaScript IIFE (Immediately Invoked Function Expression)', 'JavaScript IIFE (arrow functions)', 'Model-view-controller design-pattern.', 'Model-view-controller design-pattern (arrow functions)', 'Async and Await promises.']
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['Frequent use of code written once, i.e. code reusability.', 'One superclass can be used for the number of subclasses in a hierarchy.', 'No changes to be done in all base classes, just do changes in parent class only.', 'Inheritance is used to generate more dominant objects.']
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['Modularity for easier troubleshooting. Something has gone wrong, and you have no idea where to look. ... ', 'Reuse of code through inheritance. ... ', 'Flexibility through polymorphism. ... ', 'Effective problem solving.']
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['Abstraction. ... ', 'Encapsulation. ... ', 'Polymorphism. ... ', 'Inheritance. ... ', 'Association. ... ', 'Composition.']
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Today, the Django community unites over 11,000 developers across 166 countries. Django follows the Don't Repeat Yourself (DRY) principle, making this framework time-efficient. In other words, there's no need to rewrite existing code because Django allows you to assemble your website like a Lego set.