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Implement Single Sign-on with JAAS

ith the increasing use of distributed systems, users often need to access multiple resources to finish a single business transaction. Traditionally, users have had to sign on to all these

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Write Your Own Provider For the ASP.NET DataGrid

When was the last time you used the ASP.NET DataGrid control with something other than an ADO.NET provider? Chances are, like many developers, you haven’t. The DataGrid control has such

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Introduction to XQuery (Part 3 of 4)

n this article, you’ll explore one of the most interesting types of XQuery expressions?the FLWR expression, and see more detail on element constructors. XQuery provides FLWR expressions for iterating over

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Introduction to XQuery (Part 2 of 4)

ou can find a quick introduction to the XQuery language with examples of several kinds of XQuery expressions in Part I of this series. In this part you’ll explore some

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Introduction to Java Interface Event-Handling

hen you program with event-driven languages, users typically see an interface containing controls, buttons, menus and other graphical elements. After displaying the interface, the program waits. What happens next depends

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Introduction to XQuery (Part 1 of 4)

ver the past few years, XML has rapidly gained popularity as a formatting language for information, finding constituencies in both the document-centric and data-centric worlds. The explosive growth of XML-based

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Introduction to XQuery (Part 4 of 4)

his is the final part of the four part series on Xquery. In this final section, you’ll see an explanation of conditional and quantified expressions as well as a quick

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Mozilla’s Potpourri of Rendered XML

he Mozilla browser, developed as an Open Source project under the auspices of Netscape/AOL, is a nearly complete rewrite of the now ancient Communicator 4.x browser suite. In this article

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Auto Start the DNS Service in Linux

When the DNS service has stopped, use this code to start it automatically. #! /bin/bashdns_pid=`ps -ax|grep “named -u named” |grep -v grep |awk ‘{print $2}’`if test “x$dns_pid” = “x” ;

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Serve Office Documents Using MIME Types and J#.NET

Starting with Office 2000, Microsoft began migrating their document structure types away from proprietary binary formats and towards XML. With OfficeXP the process was completed for Excel and greatly matured

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Implementing Drag-and-Drop in Visual Basic 6

ne major advantage of the Windows operating system?and most other operating systems for that matter?is that it provides all programs with a similar user interface. A program’s menu, for example,

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Load Images and Play Sounds in Java Applets

ava applets can be embedded into a Web page to produce colorful, interactive Web sites. In this article, you will learn to write Java applets that load images and play

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Build a Distributed Logging Framework Using Java RMI

or years, “System.out.println” seemed to be the only choice Java developers had for logging; there was no standard logging API in the Java SDK and no widely accepted third-party logging

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Orchestrate Web Services with BizTalk Server 2002

icrosoft created BizTalk Server to address the applications and systems integration problems that businesses face. Redmond used XML as the common platform for data translation, process definition, and communication. The

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Are You More than Your Language?

or many developers, there is a special affinity for their “first programming language,” to the extent that wars are fought daily on the programming newsgroups over which language is best.

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Eiffel for .NET: An Introduction

his article describes the goals and scope of the Eiffel language and explains how Eiffel for .NET can interoperate with other .NET languages. The article also demonstrates using Eiffel for

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PerlNET: An Introduction

erlNET, the technology that is part of ActiveState’s Perl Development Kit, provides .NET access to thousands of Perl modules written over years. This opens up the feature rich .NET Framework

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The Visual FoxPro Toolkit for .NET

evelopers tend to be proud of their skills with a particular programming tool. This is particularly true with Visual FoxPro and Visual Basic developers. Visual FoxPro (VFP) developers are proud

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Create Overloaded Methods in VB.NET

ith VB.NET’s new method overloading feature, VB programmers don’t have to stay up all night trying to come up with different names for methods that basically do the same thing

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XUL Defines New User Interface Options

ozilla 1.0 and Netscape 7.0, the re-write and upgrade to Netscape’s 4.x Communicator suite, is more than just standards support and new code. During the re-write, the Netscape (now mozilla.org)

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Visual Basic .NET: A Punch of a Tool

he move from Visual Basic 6.0 to Visual Basic .NET is undeniably substantial. Visual Basic .NET offers more power and flexibility while maintaining its signature appeal and emphasis on productivity.

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ADO.NET: Building Your First Data-Aware Form

hile the Data Form Wizard creates a fully functional data-entry form, you are left with a result that embeds the data logic directly in the user interface. This article shows