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 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. …
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 …
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 …
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 …
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 …
c++ - Create window with WNDCLASSEX? [Cpp] - Stack Overflow
Apr 3, 2011 · Create window with WNDCLASSEX? [Cpp] Asked 14 years, 3 months ago Modified 1 year, 10 months ago Viewed 6k times
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++ - 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.