I am currently working on an already developed project written in MFC C++ and am facing a problem with an already present macro having the definition: #define HEIGHT_TESTS 13 I am trying to chan...

Consider the example below: #include <iostream> using namespace std; class base { public: virtual int func() { cout << "vfunc in base class\n"; return 0; } }; class derived: p...

I'm new to C++, and I'm having a problem with my class definitions in a header file. The code for the header file (Student.h) is: #include <string> using namespace std; class Student { // ...

I have some Microsoft code (XLCALL.CPP) which I am trying to compile with CodeBlocks/MinGW. At this line I get a compile time error: __forceinline void FetchExcel12EntryPt(void) This is the erro...

I've spent days in a weird problem and finally discover that there were two inline function of the same signature in the project and they caused the problem. To simplify the situation here is an ex...

I've been developing my application using GCC 4.6 for compilation but a user reported the "redefinition of typedef" error. After some confusion where I wrongfully told the user to fetch the latest ...

So I have a cmdlet named update-name that I have no access to change. I have created a function named update-name (the same name as the cmdlet). How do I call the cmdlet from the function with the...

I'm using Visual Studio 2010. I'm trying to write simple Camera class in OpenGL. I need to include gl/gl.h in Camera.h gl/gl.h is already included in main.cpp and Camera.h is included in main.cpp W...

What is the difference member between function overriding and virtual functions in C++? Virtual member functions can be overridden in derived classes. Redefining a function in a derived class is ca...

Here's what I'd like to achieve: sub first { print "this is original first"; } *original_first = \&first; sub first { print "this is first redefined"; } original_first(); # i expect this ...