Welcome • 3
by Al Williams
Java & Transaction Processing • 5
by Michael Trachtman
The Java Transaction Library (JTS) lets you create general-purpose transactions for e-commerce applications that work with any Java object.
Xlets & Mobile Communication Devices • 12
by Eric Giguere
Xlets are like applets, but run on cellular phones and other mobile devices. Ericŭs simulator lets you run Xlets in a normal J2SE environment for development and debugging.
Document Diffŭing via Tokens • 23
by Alain Trottier
TokenDiff, the diff tool Alain presented here, lets you compare by tokens (words), rather than lines. TokenDiff is built with an HTML front end and JSP diff engine on the back end.
Finding Web Services • 30
by Aaron E. Walsh
Hereŭs a program that finds nodes on peer-to-peer networks via UDDI, then uses JAX-RPC to deliver media content (such as movies and music) and calculate account balances.
Low Level I/O Control with Java • 35
by Al Williams
Javaŭs javax.comm library lets applications communicate with general-purpose embedded controllers. Alŭs javax.comm program uses the Mozilla projectŭs Rhino library to provide a JavaScript interface, opening up a world of possibilities to write simple scripts that control real-world instrumentation and processes.
Java Bookshelf • 41
by Mark Cyzyk
Mark takes a look at JSTL In Action, a new book by Shawn Bayern which examines the JSP Standard Tag Library.

Welcome • 1
by Michael Swaine
Open Source Meets Big Iron • 2
by Pete Beckman and Gregory V. Wilson
Modern science, with its emphasis on sharing ideas and peer review, is in many ways the original open-source project.
An Interview With Eric Raymond • 4
by Daniel Dern
Eric S. Raymond, an early proponent of open source, talks about its relationship to Linux, software reliability, and new software business models.
OS X: Should I Stay or Should I Go? • 6
by Moshe Bar
Appleŭs OS X is rapidly becoming the most widely used UNIX dialect. So should you jump from Linux to it
Free Enterprise • 8
by Neil McAllister
Todayŭs open source databases are mature applications that rival their commercial counterparts for a wide range of applications.
Inside Debian Hurd • 11
by Jerry Epplin
Debian is a freely available OS built around on the Linux kernel, that achieves flexibility by adhering to standard POSIX interfaces. And because Debian is kernel independent, the Hurd ŭ a collection of servers that run on top of the microkernel ŭ can also be used with the Debian distribution.
Managing Data Integrity • 14
by Brian Jepson
If youŭre going to trust a database server with your data, what can you do to guarantee that it will take good care of that data?
Getting To Know Zope • 19
by Brian Wilson
Zope is an open-source framework for building web applications that enables collaboration, content management, and use of components.
Installing & Configuring Linux Web Servers • 21
by Rod Roark
Step-by-step, Rod shows how to install and configure Linux-based web servers.
A Data Acquisition System for Linux • 28
By Dhananjay V. Gadre and Sunu Engineer
Our authors present a general-purpose data-acquisition system for Linux that can be connected to the PCŭs parallel port to record eight channels of analog voltage.

C/C++ Compiler Optimization • 2
by Matthew Wilson
Squeezing the maximum execution speed from C/C++ compilers requires an understanding of optimization switches.
Optimization Techniques • 9
by Tim Kientzle
When it comes to performance, a good understanding of processor architecture pays big dividends.
Optimizing for Intel Architecture CPUs • 15
by Victor J. Duvanenko
Optimization often demands diving into system memory and processor cache.
To Inline or Not to Inline • 20
by Richard Vaughan
Inline functions can deliver dramatic performance improvements while preserving proper design semantics.

Remotely Controlling Windows Applications • 2
by Ruben Patel
When your application is running a mile or so under water, it makes sense to control it remotely.
HTTP-Base Anonymous Communications Channels • 9
by Marc Waldman and Stefan Kŭpsell
Need a general-purpose request-reply anonymous communication channel? Hereŭs how to build one.
Security & Wi-Fi Protected Access • 13
by Derek Cheung
Wi-Fi Protected Access is designed to address known WLAN security issues in the original 802.11 specification.
Probing Network Characteristics • 16
by Michael Larson
This framework lets you monitor, record, and act on packet performance.