In the printMessage if you access the vector of a constant class using the index it works fine, but not with the the iterator (*itr). If the iterator is declared as constant_iterator then it works fin
C++ standard says that modifying an object originally declared const is undefined behavior. But then how do constructors and destructors op开发者_运维知识库erate?
I\'m new to rails and getting the following error: NameError in FriendshipsController#create uninitialized constant FriendshipsController
I have a constant that is only used in views, but it\'s used in different ways in different places.It\'s an array of option names, and is used for select boxes, but I also use th开发者_如何学Pythonis
It is legal to convert a pointer-to-non-const to a pointer-to-const. Then why isn\'t it legal to convert a pointer to pointer to non-con开发者_如何学Pythonst to a pointer to pointer to const?
I\'ve got a static property I would like to access by importing it\'s class without instantiating an object of that class.Is this possible?
Can someone explain the difference between a stat开发者_高级运维ic and const variable?A constant value cannot change. A static variable exists to a function, or class, rather than an instance or objec
Can I mix extern and const, as extern const? If yes, does the const qualifier impose it\'s reign only within the scope it\'s declared in or should it exactly match the declaration of the translational
I have a set of constants declared in Perl: use constant C1 => 111; use开发者_Python百科 constant C2 => 222;
This question already has answers here: Meaning of 'const' last in a开发者_开发百科 function declaration of a class?
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