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How is Generic Covariance & Contra-variance Implemented in C# 4.0?
I didn't attend PDC 2008, but I heard some news that C# 4.0 is announced to support Generic covariance and contra-variance. That is, List<string> can be assigned to List<object> . How could that be?
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python multithreading wait till all threads finished
This may have been asked in a similar context but I was unable to find an answer after about 20 minutes of searching, so I will ask.
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When is a C++ destructor called?
Basic Question: when does a program call a class' destructor method in C++? I have been told that it is called whenever an object goes out of scope or is subjected to a delete
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Type Checking: typeof, GetType, or is?
I've seen many people use the following code:
14 Answers
14
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Difference between C++03 throw() specifier C++11 noexcept
Is there any difference between throw() and noexcept other than being checked at runtime and compile time, respectively?
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Sorting data based on second column of a file
I have a file of two columns and n number of rows.
4 Answers
4
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How do I pass a class as a parameter in Java?
Is there any way to pass class as a parameter in Java and fire some methods from that class?
10 Answers
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Will the base class constructor be automatically called?
Would the age of customer be 2? It seems like the base class's constructor will be called no matter what. If so, why do we need to call base at the end sometimes?
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How do I change the cursor between Normal and Insert modes in Vim?
I would like to know how to change, if possible, the cursor in Vim (in color, shape, etc.) depending on what mode you are in.
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Using Mockito to mock classes with generic parameters
Is there a clean method of mocking a class with generic parameters? Say I have to mock a class Foo<T> which I need to pass into a method that expects a Foo<Bar> . I can do the following easily enough:
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