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Incoming Calls While Surfing

Question: We have one phone line coming into the house. How can I get the phone to ring and the Internet connection to be broken if I’m on the net

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Interacting With the Operating System Directly

In general, API functions and classes enable you to interact with the operating system. Sometimes, however, it is much simpler to execute a system command directly. For this purpose, you

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Stop Data Input Errors Before They Start

When developing a database program, always keep the data-input user in mind. The most elegant program in the world is useless if the data is riddled with errors. If a

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A Basic Class Finder Utility

Here’s a useful utility for finding the full pathname for a class (or any other file) from a Java program. This utility uses the method getClassNameFromPackage() described in the Tip

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Finding Where Your ISP Stores Your ASP Files

Although your Internet Service Provider (ISP) tells you the virtual directory that holds your Active Server Pages site, you may need to know the actual path where your files reside.

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Why void& Type is Illegal

A reference is always bound to an object. In fact, you can think of a reference variable as an alias of its bound object. However, void& is not bound to

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Customize Your FTP Welcome Message

It’s fairly simple to customize the welcome message on your IIS/Windows NT FTP server. Welcome messages can contain directory information, usage guidelines, unauthorized access warnings, server news, and other useful