
c++ - Difference between | and || , or & and && - Stack Overflow
Dec 28, 2015 · I find it weird C++ doesn't allow bitwise operations on floats, although one can say they don't make much sense, these are still bit sequences, and one can do arithmetic on them.
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 % …
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. …
How to get current time and date in C++? - Stack Overflow
Jun 15, 2009 · 2 The ffead-cpp provides multiple utility classes for various tasks, one such class is the Date class which provides a lot of features right from Date operations to date arithmetic, …
How to generate a random number in C++? - Stack Overflow
Nov 19, 2012 · Distribution issues aside, keep in mind that with random numbers comes the possibility of getting the same result several times in a row. If you were guaranteed not to get …
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?
How can I include all of the C++ Standard Library at once?
Is there a singular preprocessor that I can add to my project to do both of these? Or do I just have to include both? No there isn't and that's intentional. The standard library implementation …
parsing - Parse (split) a string in C++ using string delimiter ...
see this question implement reading files and splitting strings with c++20.
Simple example of threading in C++ - Stack Overflow
Aug 13, 2019 · Can someone post a simple example of starting two (Object Oriented) threads in C++. I'm looking for actual C++ thread objects that I can extend run methods on (or something …