By Kurt Cagle – Modern XML technology rests on three distinct legs: the XML specification itself, XSLT/XPath, and XML Schema. Schemas are significant not only in defining XML structures but also in providing data type capabilities to XML, adding a measure of object oriented programming support, and

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 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

There are atleast forty toolkits available today for writing SOAP Web services and clients including those from Microsoft, Apache, SOAP::Lite, IdooXoap, DevelopMentor, etc. So do they keep the promise of SOAP and permit write server using one while client using other toolkit? Let's take a look.

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

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

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