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If you use an HTML form at your Web site, you may not want anyone to submit the form if required fields are left blank. You can check for blank

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Standard C++ does not directly address the issue of multiprocessing, threads, and thread safety. This issue is implementation dependent, which enables vendors to decide whether or not to provide multithreading

To call a subroutine, you can use the Call statement or simply the name of the subroutine: Call MyRoutine(firstParameter) ‘Or MyRoutine firstParameter Notice you don’t include the parentheses in the

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When you refer to an object in VB5, you get a drop-down list of that object’s properties and methods. But, did you know that the statements and functions of the

Older versions of VB required a unique name for your error-handler labels in order to use On Error GoTo . You had to concatenate the module name and routine name

I use constants for things like control-array index numbers, but it’s a hassle to keep scrolling to the top of the module to remember the constant names. If you name