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Does Qt support virtual pure slots?

... Yes, just like regular c++ pure virtual methods. The code generated by MOC does call the pure virtual slots, but that's ok since the base class can't be instantiated anyway... Again, just like regular c++ pure virtual methods, the class cannot be ...
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Static variables in member functions

...an someone please explain how static variables in member functions work in C++. 4 Answers ...
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How to overload std::swap()

... In C++2003 it's at best underspecified. Most implementations do use ADL to find swap, but no it's not mandated, so you can't count on it. You can specialize std::swap for a specific concrete type as shown by the OP; just don't...
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The written versions of the logical operators

...y place I've ever seen and , or and not listed as actual operators in C++. When I wrote up a test program in NetBeans, I got the red underlining as if there was a syntax error and figured the website was wrong, but it is NetBeans which is wrong because it compiled and ran as expected. ...
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Reason to Pass a Pointer by Reference in C++?

Under which circumstances would you want to use code of this nature in c++? 6 Answers ...
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What is “stdafx.h” used for in Visual Studio?

...n I start a project in Visual Studio 2010. I need to make a cross-platform C++ library, so I don't/can't use this header file. ...
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Why doesn't GCC optimize a*a*a*a*a*a to (a*a*a)*(a*a*a)?

...tion pow , which greatly slows down the performance. (In contrast, Intel C++ Compiler , executable icc , will eliminate the library call for pow(a,6) .) ...
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Are global variables bad? [closed]

In C/C++, are global variables as bad as my professor thinks they are? 28 Answers 28 ...
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Why are preprocessor macros evil and what are the alternatives?

...er be used", "macro are evil" and so on, my question is: why? With the new C++11 is there a real alternative after so many years? ...
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Initialization of all elements of an array to one default value in C++?

C++ Notes: Array Initialization has a nice list over initialization of arrays. I have a 13 Answers ...