inheritance

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Python __metaclass__ inheritance issue

My issue is that I am using a metaclass to wrap certain class methods in a timer for logging purposes.[详细]

2023-04-12 15:41 分类：问答
When to use Inherits?

I am trying to build a controls object to better build my forms. Beneath, 1 object that inherits from a certain type and 1 object that is defined as a certain type.[详细]

2023-04-12 14:28 分类：问答
How expensive or costly is inheritance in C++ [duplicate]

This question already has answers here: Closed 11 years ago. Possible Duplicate: Private/protected inheritance[详细]

2023-04-12 14:27 分类：问答
JPA @Inheritance(strategy = InheritanceType.JOINED): Missing class for indicator field value

Is it possible to have a default imple开发者_运维知识库mentation when no class is provided for an indicator field value for not raising this exception?[详细]

2023-04-12 13:52 分类：问答
why is multi-level, multiple inheritance removed in asp.net [duplicate]

This question already has answers here: Closed 11 years ago. Possible Duplicate: Why is Multiple Inheritance not allowed in Java or C#?[详细]

2023-04-12 13:12 分类：问答
Virtual keyword makes inaccessible a method from the derived objects

I have this code: #include <iostream> class Super{ public: virtual void showName(); }; class Special1 : public Super {[详细]

2023-04-12 08:36 分类：问答
How to add collections together that implement a common interface

I have setup my classes as below. So both collections implement a common interface - IChild. Is there a way for a method on the parent to return the common parts of each collection please?[详细]

2023-04-12 06:53 分类：问答
Calling overridden method of derived native class through wrappers (derived Managed Classes) in C++/CLI

I have a tale of 6 classes: 3 managed and 3 native. The 3 managed classes are ManagedChildA, ManagedChildB and ManagedParent.[详细]

2023-04-12 06:35 分类：问答
Does extra inheritance make any difference on object structure or instantiation?

In the code there are some special classes and there are some normal classes. I want to differentiate them because special classes needed to be given different treatment. All these special classes are[详细]

2023-04-12 05:56 分类：问答
How do I create a formtastic nested input without fieldset?

I have a table User that inherits from a table called Person Long story short, instead of having to do the following:[详细]

2023-04-12 04:52 分类：问答