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Are C++ enums signed or unsigned?
Are C++ enums signed or unsigned? And by extension is it safe to validate an input by checking that it is = your min value (assuming you started at 0 and incremented by 1)?
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Optional Parameters with C++ Macros
Is there some way of getting optional parameters with C++ Macros? Some sort of overloading would be nice too.
14 Answers
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VS2005混合编译ARM汇编代码 - C/C++ - 清泛网 - 专注C/C++及内核技术
...S2005编译时调用的是C编译器，但是现在很多项目工程会以C++代码编写（*.cpp），在VS2005中会用C++编译器Compile。
如果不注意这点的话，就会出现下面的结果：
error LNK2001: unresolved external symbol iGlobal
error LNK2019: unresolved external symbol...
Returning multiple values from a C++ function
Is there a preferred way to return multiple values from a C++ function? For example, imagine a function that divides two integers and returns both the quotient and the remainder. One way I commonly see is to use reference parameters:
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Displaying the #include hierarchy for a C++ file in Visual Studio
Problem: I have a large Visual C++ project that I'm trying to migrate to Visual Studio 2010. It's a huge mix of stuff from various sources and of various ages. I'm getting problems because something is including both winsock.h and winsock2.h .
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C++: What is the size of an object of an empty class?
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Quoting Bjarne Stroustrup's C++ Style and Technique FAQ, the reason the size is non-zero is "To ensure that the addresses of two different objects will be different." And the size can be 1 because alignment doesn't matter here, as there is nothing to a...
__FILE__, __LINE__, and __FUNCTION__ usage in C++
Presuming that your C++ compiler supports them, is there any particular reason not to use __FILE__ , __LINE__ and __FUNCTION__ for logging and debugging purposes?
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How is it possible to declare nothing inside main() in C++ and yet have a working application after
...wing question (which I had asked long back):
Is main() really start of a C++ program?
Note that such code is not safe and should be best avoided in general. For example, the std::cout object may not be initialized when print_fibs() is executed, if so then what would std::cout do in the function...
A free tool to check C/C++ source code against a set of coding standards? [closed]
...a tool for Java ( Checkstyle , JCSC ), but I can't seem to find one for C/C++. I am not looking for a lint-like static code analyzer, I only would like to check against coding standards like variable naming, capitalization, spacing, identation, bracket placement, and so on.
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Which C++ idioms are deprecated in C++11?
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Final Class: C++11 provides the final specifier to prevent class derivation
C++11 lambdas substantially reduce the need for named function object (functor) classes.
Move Constructor: The magical ways in which std::auto_ptr works are no lo...