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 …
What is the <=> ("spaceship", three-way comparison) operator in …
Nov 24, 2017 · This is called the three-way comparison operator. According to the P0515 paper proposal: There’s a new three-way comparison operator, <=>. The expression a <=> b returns …
how does the ampersand(&) sign work in c++? - Stack Overflow
Possible Duplicate: What are the differences between pointer variable and reference variable in C++? This is confusing me: class CDummy { public: int isitme (CDummy& param); }; int …
Thread pooling in C++11 - Stack Overflow
Jul 12, 2023 · Relevant questions: About C++11: C++11: std::thread pooled? Will async (launch::async) in C++11 make thread pools obsolete for avoiding expensive thread creation? …
c++ - What is the difference between public, private, and …
Mar 19, 2015 · Limiting the visibility of inheritance will make code not able to see that some class inherits another class: Implicit conversions from the derived to the base won't work, and …
What does the C++ standard say about the size of int, long?
I'm looking for detailed information regarding the size of basic C++ types. I know that it depends on the architecture (16 bits, 32 bits, 64 bits) and the compiler. But are there any standards for ...
c++ - Compiling .cpp files with 'g++' - Stack Overflow
Jul 25, 2021 · Compiling .cpp files with 'g++' Asked 4 years, 2 months ago Modified 2 years, 5 months ago Viewed 17k times
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 …
What is the C++ function to raise a number to a power?
In C++ the "^" operator is a bitwise XOR. It does not work for raising to a power. The x << n is a left shift of the binary number which is the same as multiplying x by 2 n number of times and …
visual studio - C++ cannot open source file - Stack Overflow
There is more information here on how to deal with this problem: Where does Visual Studio look for C++ header files? For me, I followed xflowXen's answer and then at "Include Directories" …