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.
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. …
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 …
c++ - What is the meaning of the auto keyword? - Stack Overflow
Sep 12, 2023 · For variables, specifies that the type of the variable that is being declared will be automatically deduced from its initializer. For functions, specifies that the return type is a …
Beautify C++ files in VSCode - Stack Overflow
Jul 4, 2019 · 0 To format cpp files in vscode, the file must be saved as a cpp file first. Formatting javascript/java code works as expected with out the file being saved. C++ utilities seem to be …
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 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 …
Reading json files in C++ - Stack Overflow
Aug 25, 2015 · I'm trying to read in a JSON file. So far I have focused on using the jsoncpp library. However, the documentation is quite hard to understand for me. Could anyone explain in lay …
c++ - What does the explicit keyword mean? - Stack Overflow
Sep 23, 2008 · I just want to point out to anyone new coming along that ever since C++11, explicit can be applied to more than just constructors. It's now valid when applied to conversion …
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.