I am having a problem with rest and android, the problem is I have a transport object in example a class Human, which is extended by Male and Female, I want to usejson as transport for the human obje
What I\'m doing: I\'m writing a small interpreter system that can parse a file, turn it into a sequence of operations, and then feed thousands of data sets into that sequence to extract some final val
In Haskell, is it possible to write a function with a signature that can accept two different (althoug开发者_Python百科h similar) data types, and operate differently depending on what type is passed i
This is a follow up to a previous question; I got an answer I didn\'t really understand, but accepted. So I\'ll ask it again.
In hope to simplify a homework problem dealing with inheritance, I thought it might be better to use polymorphism to accomplish the task.It isn\'t required, but makes much more sense if possible.I am,
Is there a construct in Java or C# that forces inheriting classes to call the base implementation?You can call 开发者_如何学Gosuper() or base() but is it possible to have it throw a compile-time error
I\'m trying to understand the concepts of polymorphism and overloading. I have the following code as a sort of experiment. I cannot figure out, however, why this program does not run (it fails because
I am writing an rspec for an address model that has a polymorphic attribute called :addressable.I am using factory girl for testing.
Below I have outlined the structure of a polymorphic association. In VacationsController I put some comments inline describing my current issue. However, I wanted to post this to see if my whole appro
In the trivial example inheritance hierarchy: class Food { virtual ~Food(); }; class Fruit : public Food { virtual ~Fruit();
加载中,请稍侯......