by Xenos J. Sroka – One constant in this high-tech age is that nothing stays constant. Things change all the time, whether it's stock prices, Florida vote tallies, or even code. On more than one occasion, programmers have had to adjust the parameters of the stored procedures nestled in their dat

XSLTunit from Examplotron author Eric van der Vlist applies the "test first programming" principle from Extreme Programming (XP) to bring unit testing to Extensible Style Language Transformations (XSLT) template development.

by Jim O'Grady – HTML and the Web have permanently changed the way people communicate. XML promises to do the same for the way computer systems communicate. HTML is convenient for people—it makes information easier to view and navigate. Unfortunately, it's not nearly as convenient for comput

by Joe Verzulli – There has been growing interest in the Resource Description Framework (RDF) and a number of tools and libraries have been developed for processing it. This article describes one such library, Jena, a Java API for processing RDF. It is also the name of an open source implementation

ADO.NET, a major upgrade to ADO introduced some nice architectural enhancemenets. DataSet class, an alternative to disconnected recordsets, is an example of these upgrades. The DataSet class is useful to hold chunks of data read from the database. The in-memory cache for DataSet consist of tables, r

Now that you've seen an XML document and a schema to describe its structure, let's create an application to use the data. I'll walk you through the two basic ways to deal with an XML document: as an in-memory tree object and as an object that generates events as it is processed by the pa

IBM will be hosting a day-long workshop on the Apache Xerces2 XML parser in Cupertino, the week following Sun's JavaOne conference. The goal of the workshop is to explain the design and implementation of Xerces2, as well as resolve design issues and discuss the future of the project.