Given the class below: public class ConcreteEmployeeRoleCreator<T, TConcrete, TSpec> where TConcrete : class, T, new()
I am trying to combine (union or concat) two lists/collection into one. The two lists have a common base class. e.g. I\'ve tried this:
I have a interface that inherits from IList: public interface IBase {} public class Derived : IBase {} public interface IMyList : IList<IBase> {}
**Edit: this only happens with llvm; gcc supports this just fine. Consider the following. Objective-c classes A and B.
I\'ve been hearing/reading a lot about covariance issues in C# and I wanted to pose a few questions & scenarios so hopefully I can clear up my confusion on the matter.
I want to calculate covari开发者_C百科ance matrix using Java. Is there any free library to compute covariance Matrix in Java?Here is a short example, how you can create it with Apache Commons Math (3
I have the following example relationship: namespace Yesod { public class Program { // // // public struct Particle
The following code sample: interface I<out T> where T : class, I<T> { T GetT(); } interface J : I<J>
This question already has answers here: Closed 11 years ago. Possible Duplicates: How to Cast a Vector<ObjectA&g开发者_JAVA百科t; to Vector<ObjectB> in Java?
public interface IShape{} public class Rectangle : IShape{} public class Base{} public class Derived : Base{}
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