February 9, 1999

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

Refreshing Using the META Tag

Question: What HTML tag do I use to have the screen refresh every two minutes? Answer: The following META tag will work. The value of the CONTENT parameter will determine

Building a Web Site With Database Design

Question: I am designing a Web site for a conference. Over 2000 attendees are going to use the Web site for registering online, as well as for other interactive tasks,

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

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

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