This is a question related to another one I asked that was specific to NHibernate, but I\'m starting to think that my question might be far more fundamental than that.
Abstract base classes can still be handy in Python. In writing an abstract base class where I want every subclass to have, say, a spam() method, I want to write something like this:
I cannot run this code, because I get the exception: NameError: name \'abstractmethod\' is not defined
It is not possible to create an object by directly calling the constructor of an abstract class. The constructor of an abstract class can be called only from a derived class. It therefore seems to me
What´s the wrong in this code? template <class T> class A { private: T a; public: A(): a(0) {} virtual ~ A() = 0;
I am using Entity Framework and C# POCO objects.I have some objects that differ only in behavior; the rows of data they relate to in the DB are identical.There is a row in the database defining the cl
The system hardware I write software for is physically connect via hardware in a tree structure.The data model in our application is a Tree.For our new rewrite, we\'re using JAXB to create the data mo
My problem can be simplified to a List<> with X and Y coordinates that I\'d like to group into an interface or abstract class.I then have a bunch of other functions that take this abstract class as
Why when we inherit an abstract C# class defined in a .dll, our C++-CLI class is forced abstract? is there any 开发者_运维问答way to make it not abstract our c++-CLI class?I\'m not sure I understood y
I\'m trying to create an abstract class that defines a property with a getter. I want to leave it up to derived classes to decide if they want to implement a setter for the property or not. Is this po