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:
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, …
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++ - #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 …
syntax - C++ array initialization - Stack Overflow
Dec 17, 2009 · Yes, this form of initialization is supported by all C++ compilers. It is a part of C++ language. In fact, it is an idiom that came to C++ from C language. In C language = { 0 } is an …
What's the difference between constexpr and const?
What's the difference between constexpr and const? When can I use only one of them? When can I use both and how should I choose one?
Visual Studio Code: How to configure includePath for better ...
Sep 17, 2017 · From the official documentation of the C/C++ extension: Configuring includePath for better IntelliSense results If you're seeing the following message when opening a folder in Visual …
Using G++ to compile multiple .cpp and .h files - Stack Overflow
There are also .h files that contain classes and their function definitions. Until now the program was compiled using the command g++ main.cpp. Now that I've separated the classes to .h and .cpp files …
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 …
Differences between C++ string == and compare()? - Stack Overflow
It should be noted that == isn't going to work for you in every case. string overloads the operator to perform a compare, so == is the same as calling a compare. Alternatively, if you try this on objects …