The source of wisdom \"Effective Java 2nd\" says\"Favor composition over inheritance\" (item 16). Now when it comes to Android Activities, it\'s simple to extends from one but you break encapsulation
I am planning a database diagram for my Rails project. I have the following entities: Answer (inherits from Post), Question (also inherits from Post) and Comment.
I have an object that I pass around a lot. I need to add a piece of data to it and cannot modify the base class
I have subclassed a system class (UINavigationBar, to be specific) to add some specific functionality. I\'ve been using this 开发者_开发技巧everywhere, as a replacement for UINavigationBar. However, n
I have source code I received from an external developer, this code is divided up into 4 types of projects: Their framework, the environment for my project (lets call it \"ENV\"),the application base
I need to make a very simple modification -- require that certain views only show up when a user is not authenticated -- to django-registration default views. For example, if I am logged in, I don\'t
Apart from the inheritance aspect, is there a di开发者_如何学Cfference between the following class templates:
I\'m struggling with Javascript classical Inheritance 1. While, in the end Douglas Crockford, rejects its first attemps to support classical model in Javascript, I find it interesting to understand:
I want to do something like this: template <typename T:public Vertex> addTri( T v1, T v2, T v3 )
Consider the following 2 methods: class A{ void Method1(){ if(!something) return; DoX(); DoY(); DoZ(); } class B{
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