I want to make a program that lets say represents a matrix now the matrix will be represented by a vector that each object in the vector will
I always thought... overriding means reimplementing a function (sa开发者_StackOverflow中文版me signature) in a base class whereas
I have a few arrays and a resource that needs deletion, the value of these variables are retained throughout the lifetime of the program and they are only used in a single f开发者_运维技巧unction so i
I got my code like the following: class TimeManager { public: virtual ~TimeManager(); }; class UserManager : virtual public TimeManager
Suppose I have a std::vector<Obj *> objs (for performance reasons I have pointers not actual Objs).
I saw an example of using the function: delete in cpp and I didn\'t completely understand it. the code is:
I ran into my first compiler that changes the lvalue passed to ::delete, but doesn\'t zero out the lvalue. That is the following is true:
The global new and delete can be used like normal, but you can also prefix the :: operator to them and it w开发者_Python百科ill work the same.
I ran valgrind on my program because of a segfault I can\'t figure out. It detected a problem here...
I searched StackOverflow but couldn\'t find the answer to this question. Suppose I have a std::vector<Day *> vector_day - that is - a v开发者_开发技巧ector of pointers to Day object. Now I push