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  1. 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:

  2. C++ code file extension? What is the difference between .cc and …

    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 …

  3. O que são os arquivos com extensão .cpp e .h?

    Sep 26, 2017 · Arquivos .cpp são os arquivos que contém os fontes das implementações em C++. Arquivos .h são chamados de headers, usado para extrair a declaração de funções, …

  4. c++ - How do you create a static class? - Stack Overflow

    If you're looking for a way of applying the static keyword to a class, like you can in C# for example, then you won't be able to without using Managed C++. But the looks of your sample, …

  5. c++ - How do I find the length of an array? - Stack Overflow

    Is there a way to find how many values an array has? Detecting whether or not I've reached the end of an array would also work.

  6. 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 …

  7. How can I convert int to string in C++? - Stack Overflow

    itoa will be faster than the stream equivalent. There are also ways of re-using the string buffer with the itoa method (avoiding heap allocations if you are frequently generating strings. e.g. for …

  8. Why are #ifndef and #define used in C++ header files?

    I have been seeing code like this usually in the start of header files: #ifndef HEADERFILE_H #define HEADERFILE_H And at the end of the file is #endif What is the purpose of this?

  9. 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 …

  10. Check if a string contains a string in C++ - Stack Overflow

    Feb 26, 2010 · I have a variable of type std::string. I want to check if it contains a certain std::string. How would I do that? Is there a function that returns true if the string is found, and …