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What is the difference between a static and a non-static initialization code block
My question is about one particular usage of static keyword. It is possible to use static keyword to cover a code block within a class which does not belong to any function. For example following code compiles:
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C++ const map element access
I tried to use the operator[] access the element in a const C++ map, but this method failed. I also tried to use "at()" to do the same thing. It worked this time. However, I could not find any reference about using "at()" to access element in a const C++ map. Is "at()" a newly added function in C++ ...
Heatmap in matplotlib with pcolor?
I'd like to make a heatmap like this (shown on FlowingData ):
4 Answers
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Why can't I initialize non-const static member or static array in class?
Why can't I initialize non-const static member or static array in a class?
5 Answers
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Dynamic SQL - EXEC(@SQL) versus EXEC SP_EXECUTESQL(@SQL)
What are the real world pros and cons of executing a dynamic SQL command in a stored procedure in SQL Server using
5 Answer...
Collection that allows only unique items in .NET?
Is there a collection in C# that will not let you add duplicate items to it? For example, with the silly class of
7 Answers...
Retrieve only static fields declared in Java class
I have the following class:
4 Answers
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When do you need to explicitly call a superclass constructor?
So say I have a subclass that extends a superclass. In what scenarios do I need to explicitly type super() to get the superclass constructor to run?
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E731 do not assign a lambda expression, use a def
I get this pep8 warning whenever I use lambda expressions. Are lambda expressions not recommended? If not why?
4 Answers
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Objective-C class -> string like: [NSArray className] -> @“NSArray”
I am trying to get a string name of a class from the class object itself.
3 Answers
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