Sometimes a class needs to communicate with the object that created it. For example, I use a class to subclass grid controls so I can handle things such as tabbing
Select Case is commonly used to check different values of a specific variable or expression. You can also use Select Case to evaluate multiple expressions, by starting out with “Select
When you have to compare the results of floating point expressions, you can’t rely on the “=” operator due to the finite precision of Single or Double variables. To see
The DOS Copy command allows you to take the contents of two different files and put them one after the other into a third file. You can do the same
You can write JavaScript code that is more readable and maintainable by reducing object references. For instance, you can use the with() statement or nested with() statements in JavaScript to
As a database administrator, it is your responsibility to be concerned about anything that might affect the stability of your systems. In that vein, it is not enough to back
When a class is instantiated, the subsequent object is actually an instance of the most derived class in the class hierarchy. This means that even if a class is referenced
A cross cast converts a multiply-inherited object to one of its secondary base classes. To demonstrate what a cross cast does, consider this class hierarchy: struct A{ int i; virtual
Question: I have a table in SQL Server 6.5 with a datetime column that is used for tracking each time an event occurs; the date and time data are combined