What does '&' do in a C++ declaration? - Stack Overflow
The & operator does the same thing in C and C++: it takes the address of an object. The & in a function prototype is not an operator. I'll fix the title.
How does the % operator (modulo, remainder) work?
Oct 2, 2024 · in C++ expression a % b returns remainder of division of a by b (if they are positive. For negative numbers sign of result is implementation defined). For example: 5 % 2 = 1 13 % …
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 …
What is the <=> ("spaceship", three-way comparison) operator in …
Nov 24, 2017 · The <=> token is introduced. The character sequence <=> tokenizes to <= >, in old source code. For example, X<&Y::operator<=> needs to add a space to retain its meaning. …
What are the actual min/max values for float and double (C++)
Feb 6, 2018 · The std::numerics_limits class in the <limits> header provides information about the characteristics of numeric types. For a floating-point type T, here are the greatest and least …
How to pass optional arguments to a method in C++?
Jun 10, 2016 · For more explicit control than that provided by reserving sentinel values, check out boost::optional<>.
c++ - What is the meaning of 'const' at the end of a member …
const functions can help speed. If the compiler doesn't see the function's implementation (its defined in the cpp file, or calls functions defined in the cpp file), then it doesn't know which …
How do I read/write JSON with c++? - Stack Overflow
Jan 12, 2022 · I would like to know how to read/write a JSON file using C++. I will be using this file to store player info & setting for a simple game I'm making. It's nothing fancy, just a …
How to install Visual C++ Build tools? - Stack Overflow
Nov 9, 2016 · I need to install Visual C++ Build Tools. When I've download installer, I've tried to install it, however it's telling me I need to uninstall VS 2015! How can I solve it? Why is Visual …
How do you add a timed delay to a C++ program? - Stack Overflow
Sep 12, 2014 · I am trying to add a timed delay in a C++ program, and was wondering if anyone has any suggestions on what I can try or information I can look at? I wish I had more details on …