c++ - Difference between | and || , or & and && - Stack Overflow
Dec 28, 2015 · You'll need to complete a few actions and gain 15 reputation points before being able to upvote. Upvoting indicates when questions and answers are useful. What's reputation …
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 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 …
How can I get current time and date in C++? - Stack Overflow
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 can I change the version of the C++ language standard used …
Oct 25, 2023 · I printed the value of the __cplusplus macro and found out that my files are executed with C++98 in Visual Studio Code. I'm using the CodeRunner extension. How do I …
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 …
Iterate through a C++ Vector using a 'for' loop - Stack Overflow
Oct 3, 2012 · I am new to the C++ language. I have been starting to use vectors, and have noticed that in all of the code I see to iterate though a vector via indices, the first parameter of …
How do I fix the error "was not declared in this scope"?
You'll need to complete a few actions and gain 15 reputation points before being able to upvote. Upvoting indicates when questions and answers are useful. What's reputation and how do I …
c++ - What is the difference between public, private, and …
Mar 19, 2015 · Only members/friends of a class can see private inheritance, and only members/friends and derived classes can see protected inheritance. public inheritance IS-A …
Run C++ in command prompt - Windows - Stack Overflow
It depends on what compiler you're using. For example, if you are using Visual C++ .NET 2010 Express, run Visual C++ 2010 Express Command Prompt from the start menu, and you can …