February 22, 2000

The type of the most derived object to which an expression refers is said to be the dynamic type of that expression. For example, if p is declared as a

Another useful STL algorithm is replace(), which is defined in the standard header and has the following prototype: void replace (ForwardIterator start, ForwardIterator end, const T & old_value, const T

A value of type bool can be converted implicitly to a value of type int, with false becoming zero, and true becoming one. For example: bool b = false; int

The classic implementation of the swap algorithm looks like this: void swap (int & i, int & j) { int temp = i; i = j; j = temp; }

On 32-bit platforms, int and long usually occupy the same size. Programmers use these types interchangeably when they need a 32-bit integer. However, on 64-bit architectures, long is often represented

Merging two lists isn’t only a popular homework assignment; rather, this task is sometimes needed in real world programming as well. Fortunately, you don’t have to reinvent the wheel anymore.

Question: How can I give the user the option to print only one page in a Visual FoxPro report? Answer: The REPORT FORM command has a RANGE parameter. Here is

Question: How can I run an image viewer in a window portion of a form in Visual FoxPro alongside a scrolling list box? Answer: Here is how to create a

Question: I have a datawindow with a few columns. I have written a menu through which I can sort the existing data alphabetically or by value. Whenever a new row