What does '&' do in a C++ declaration? - Stack Overflow
I am a C guy and I'm trying to understand some C++ code. I have the following function declaration:
c++ - What does the explicit keyword mean? - Stack Overflow
33 Cpp Reference is always helpful!!! Details about explicit specifier can be found here. You may need to look at implicit conversions and copy-initialization too. Quick look The explicit specifier specifies that …
c++ - What is the difference between public, private, and protected ...
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 inheritance. A button is-a …
Regular cast vs. static_cast vs. dynamic_cast - Stack Overflow
Aug 26, 2008 · I've been writing C and C++ code for almost twenty years, but there's one aspect of these languages that I've never really understood. I've obviously used regular casts i.e. MyClass *m = …
What's the difference between constexpr and const?
What's the difference between constexpr and const? When can I use only one of them? When can I use both and how should I choose one?
What is std::move(), and when should it be used? - Stack Overflow
Aug 5, 2010 · What is it? What does it do? When should it be used? Good links are appreciated.
What is the meaning of the auto keyword? - Stack Overflow
32 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 trailing return type or will …
Differences between C++ string == and compare()? - Stack Overflow
It should be noted that == isn't going to work for you in every case. string overloads the operator to perform a compare, so == is the same as calling a compare. Alternatively, if you try this on objects …
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 some rapidly …
How to add element to C++ array? - Stack Overflow
Nov 13, 2016 · I want to add an int into an array, but the problem is that I don't know what the index is now.
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