When you call a function through a pointer to function, use that pointer as if it were the function itself, not a pointer. For example: #include char buff[10];void (*pf) (char
C++ doesn’t allow you to assign integer value to an enumeration directly: enum Direction (Up, Down};Direction dir;Dir=0; // error, can’t assign int to enum type However, you can use static_cast
Question: Is there a way to capture the last value (digit) of the system clock number and use that to generate a random number? Or look at system clock–find last
Question: Is there any difference between heap and free store in C++? Answer: The free store is a region of memory from which a program allocates dynamic memory using new.
Question: If I declare one variable in a servlet class, and if I create many instances of that servlet, what will be the status of that variable? Answer: If the
Question: Can I cast an unsigned integer to an enumerator? If so, could you provide an example? Answer: You can use static_cast to cast an int to an enumerator. However,
Question: Where is the best place to store .property files and .xml files for servlets/jsp? Right now I am using “user.home”, but there is a problem when you have multiple
Question: With the following: friend int operator == (const cs303Point& point0, const cs303Point& point1); in my .h file, how should the first line of the function definition look in the
Question: I’m using Web Datablade and IIF to develop Web pages. I need validation (other than JavaScript) on date inputs. How can I validate dates on IIF, using SPL or