What does '&' do in a C++ declaration? - Stack Overflow
I am a C guy and I'm trying to understand some C++ code. I have the following function declaration:
What is the difference between a .cpp file and a .h file?
May 17, 2009 · The .cpp file is the compilation unit: it's the real source code file that will be compiled (in C++). The .h (header) files are files that will be virtually copied/pasted in the .cpp files where the …
C++ code file extension? What is the difference between .cc and .cpp
95 .cpp is the recommended extension for C++ as far as I know. Some people even recommend using .hpp for C++ headers, just to differentiate from C. Although the compiler doesn't care what you do, …
What is the difference between .cc and .cpp file suffix?
Sep 3, 2013 · What is the difference between .cc and .cpp file extensions? From Google, I learned that they are both from the C++ language, but I am unsure of differences between them.
What is the meaning of prepended double colon - Stack Overflow
I found this line of a code in a class which I have to modify: ::Configuration * tmpCo = m_configurationDB;//pointer to current db and I don't know what exactly means the double colon …
c++ - #include in .h or .c / .cpp? - Stack Overflow
Jun 9, 2010 · 20 Put as many includes in your cpp as possible and only the ones that are needed by the hpp file in the hpp. I believe this will help to speed up compilation, as hpp files will be cross …
Storing C++ template function definitions in a .CPP file
I have some template code that I would prefer to have stored in a CPP file instead of inline in the header. I know this can be done as long as you know which template types will be used. For exam...
.c vs .cc vs. .cpp vs .hpp vs .h vs .cxx - Stack Overflow
Possible Duplicates: *.h or *.hpp for your class definitions What is the difference between .cc and .cpp file suffix? I used to think that it used to be that: .h files are header files for C and C...
How do I fix the error "was not declared in this scope"?
This is similar to how one would write a prototype for functions in a header file and then define the functions in a .cpp file. A function prototype is a function without a body and lets the compiler know …
How to use the PI constant in C++ - Stack Overflow
Nov 13, 2009 · I want to use the PI constant and trigonometric functions in some C++ program. I get the trigonometric functions with include <math.h>. However, there doesn't seem to be a definition for …