How to add element to C++ array? - Stack Overflow
Nov 13, 2016 · Continue to help good content that is interesting, well-researched, and useful, rise to the top! To gain full voting privileges,
Storing C++ template function definitions in a .CPP file
Separation of implementation details (aka definitions in foo.cpp) from which versions are actually compiled (in foo-impl.cpp) and declarations (in foo.h). I dislike that most C++ templates are defined …
c++ faq - When do I use a dot, arrow, or double colon to refer to ...
Feb 13, 2011 · The three distinct operators C++ uses to access the members of a class or class object, namely the double colon ::, the dot ., and the arrow ->, are used for three different scenarios that are …
What is the C++ function to raise a number to a power?
In C++ the "^" operator is a bitwise XOR. It does not work for raising to a power. The x << n is a left shift of the binary number which is the same as multiplying x by 2 n number of times and that can only be …
c++ - How can I trim a std::string? - Stack Overflow
} // The remaining functions (trim() et al.) are identical to the new C++11 version std::ptr_fun is needed to disambiguate std::isspace because there is a second definition which supports locales. This could …
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 …
C++ code file extension? What is the difference between .cc and .cpp
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 what you do, …
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 the for loop is always
c++ - How can I iterate over an enum? - Stack Overflow
Nov 4, 2008 · I just noticed that you can not use standard math operators on an enum such as ++ or +=. So what is the best way to iterate through all of the values in a C++ enum?
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.