886 questions
I've seen both of them a lot when defining templates, what's the difference between these two?And the other question is, I saw a template like this on WikipediaWhat does each keyword mean here?templat...
I saw a code like this#include <iostream>class Foo {public: int bar; Foo(int num): bar(num) {};};int main(void) { std::cout << Foo(42).bar << std::endl; return 0;}What is written her...
I know that using references makes it easier to read and write code,What exactly is the difference between the two?
Both can be compiled. Can I change the order like int long , long int, and long int?If the top two are the same, is the pointer type the same?
Why can't I return the reference?Personally, I saw a lot of codes that return references, so are all the codes wrong?
C++ is related to the class We can use it together.In what circumstances are those three used?
vector that stores doubleI want to convert double to an array that stores it.What function should I use?
Is there a standard for C++11/C++/C to find out if a file exists or not?I want to check if the file exists before I open it.What should I do to make an annotation part from the code below?inline bool ...
The C++ compiler keeps saying No newline at end of file and raising the warning.Why should I enter at the end of the source/header file?It's not even an error. It's annoying and I don't feel like it. ...
The professor told me to use the discharge variable only when it's really inevitableWhy is that?If there are more functions, it's hard to transfer factorsThis is too much trouble
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