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Credit Card Processing

f you haven’t done electronic credit card processing yet, you may be asked to do it soon. Don’t sweat, it’s not as difficult as it sounds?actually it’s quite simple. In

Convert Schemas to Documents

he way that XML is being used, of late, is beginning to send tremors throughout much of the programming world. Part of this has to do with an obvious logical

Unzipping Files with java.util.zip.ZipFile

he Java core packages include jave.util.zip, which is useful forcreating and reading compressed files or archives in the ZIP and GZIPformats. ZIP files form the basis for the JAR file

Validating and Formatting a Phone Number

any of the more common questions asked of the VB Pro involve formatting and validating data. In this 10-Minute Solution, you’ll learn how to validate and format a phone number.

Maintain Large Databases with XML Servers

ne of the more common questions asked here at “Ask the XML Pro” has to do with the dilemma of maintaining large databases of XML data. Specifically, suppose that you

Writing Java for the Palm

ava continues to make inroads at all levels of computing. Mostrecently, Java has returned to its roots and found a home in the smalldevices for which it was originally designed.

Building an Application Error Handler

untime errors can occur as a result of attempts to complete an invalid operation while the program is running. There are two causes of runtime errors: either one of the