Java zone  |
An SCJP 1.4 certification primer
The Sun Certified Java Programmer (SCJP) examination has recently been updated for J2SE 1.4, which means you'll have to jump through some new hoops to get a passing score. In this primer to SCJP certification, Pradeep Chopra, cofounder of WHIZlabs Software, outlines some of the most important changes to the SCJP 1.4 exam, suggests a number of ways to prepare for it, and offers some sample questions to get you started. |
Restoring the transparent network, Part 2
In this followup article to "Restoring the transparent network, Part 1," Todd Sundsted focuses on techniques that Java applications can use to restore the appearance of network transparency in the face of many common types of network obstructions. This article provides a framework that Java applications can use to hide network obstructions from the higher-level parts of the application. |
| Linux zone |
Cultured Perl: Genetic algorithms, the next generation
More fun than Sea Monkeys and more educational than SimCity, genetic algorithms are a viable tool for modeling systems that survive, replicate, and adapt to changing requirements. Programmer Ted Zlatanov implements some interesting -- and oddly lifelike -- genetic algorithms in Perl, and he learns that data has feelings, too. |
Tip: Automate text processing on Linux
From statistical analysis to typesetting, from programming to serving content, it's hard to think of a task that can't be completed using the text processing tools already installed as part of your Linux distribution. If you aren't already using these tools (or even if you are, but would like to get more out of them), don't miss this series of tips on the GNU text utilities by developer Jacek Artymiak. Jacek's hints and explanations will help you simplify and automate myriad tasks from the arcane to the mundane. In this first installment, Jacek introduces the series. |
| XML zone |
Case-insensitive enumerations
IBM's own XML ace Doug Tidwell offers one curious reader an automated solution for defining a case-insensitive enumeration that's straightforward, standards-compliant, and requires little work on the developer's part. Several code samples are included. |
XML for Data: What's new in XPath 2.0?
Columnist Kevin Williams takes a look at the latest status of the XPath 2.0 specifications, and provides some specific examples of XPath 2.0 features that will make the XML developer's life easier. Examples are provided in XML and XPath. |
| IBM developer solutions |
Enabling Web Services for Globalization using WebSphere Application Server Version 4.0
If you're enabling a Web application for multilingual support, you know globalization is more than translation. This article provides programming tips to developers for globalization in Web services. It discusses how to use the UDDI's multilingual support features to define, publish, and find multilingual Web services; how to enable language-sensitive operations using SOAP APIs; and how to enable WebSphere Application Server Version 4.0 to support multilingual applications. |
Using JavaMail to power and automate your mailing lists
In the third part of his series, IBM Java consultant Kulvir Bhogal delves deeper into the JavaMail API. He shows you how to create a Java thread-powered daemon, and how to create the environment for subscribing to and unsubscribing from e-mail lists with e-mail messages. |
Working with XML Schema and Data Types in DB2
Would you like a system with 80 percent of requested functions and a 100 percent guarantee of data integrity? Or a system with 100 percent of requested functions and a 99 percent guarantee of data integrity? We think we know the answer. Ensure maximum data integrity at the database level by making use of the support for data types that DB2 offers. This article shows you how, including instructions on how to map DB2 data integrity constraints to XML using the XML Schema Standard. |
| Wireless zone |
Secrets of the wireless elite: Gerhard Fasol
Gerhard Fasol -- educated in England, now company president in Japan -- has a solid background in physics, but an appreciation for impulsiveness; the kind that's inherent to wireless technology. Here's what he had to say to John Papageorge. |
The dominator force: Wireless mesh and ad-hoc technologies
Have you mulled over the potential of the various wireless technologies that might be our best bets? Regular contributor Aashish Patil has, and thinks that ad-hoc and mesh networks are worth talking about right now. |
Tips & tricks: MMS
Multimedia Messaging Service overtakes Short Messaging Service -- Read all about it! Don't let your messages short-change you ever again! |
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