subclassing

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What considerations determine whether to type and then cast to subtypes, or to use id?

If I have a class hierarchy in which subclasses require use of more specific types than those specified in the superclasses\' ivars, is it better to declare the superclass ivar as id, or to type it an[详细]

2023-02-11 18:09 分类：问答
iPhone Subclassing view controller and IBOutlet UITableView

I have the following problem. I\'ve created a ViewController pretty much like the above @interface MyViewController : UIViewController {[详细]

2023-02-09 14:49 分类：问答
Subclassing models in Rails

I have two models, Article and Recipe, which have a bunch of the same attributes and methods.I want to make the subclasses of a new class \"Post\" and move all their shared logic in there so I\'m not[详细]

2023-02-07 22:10 分类：问答
C++ subclassing access modifier?

I\'m C++ newbie, and I have many years of experience about OO languages such as C/C#/Objective-C. Now, I\'m learning C++.[详细]

2023-02-05 22:55 分类：问答
How do you properly write and use a View subclass in Android?

I am trying to implement one of the solutions found here. My problem is that I\'m not sure if I am implementing and using my subclass correctly.[详细]

2023-02-05 15:40 分类：问答
Can somebody explain any CLR / DLR subclass overheads?

If I have a library written using CLR compliant code (i.e. in C#) and I subclass some of those classes using the DLR (i.e. in IronPython) does this have any effect on the speed of my CLR library (i.e.[详细]

2023-02-02 00:31 分类：问答
Modify subclassed string in place

I\'ve got the following string subclass: class S(str): def conc(self, next_val, delimiter = \' \'): \"\"\"Concatenate values to an existing string\"开发者_Python百科\"\"[详细]

2023-02-01 12:36 分类：问答
MVC UpdateModel and Sub Classes vs Base Class

I\'m looking to use the UpdateModel method to a Sub Class that retrieved at runtime, would be great if someone could shed the light on whether I\'m making a total hash of it and/or whether or not what[详细]

2023-01-27 06:56 分类：问答
How to create a subclass in C#?

How do I create a subclass in C开发者_JS百科# for ASP.NET using Visual Studio 2010?Do you mean this?[详细]

2023-01-26 13:33 分类：问答
Designing class hierarchy without multiple inheritance in Java [closed]

Closed. This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by editing[详细]

2023-01-26 02:10 分类：问答