Four Hundred Guru

Tomcat 5 was released several weeks ago, and already there has been a massive adoption by the industry. Tomcat 5 offers many new features, like Java Management Extension (JMX) monitoring, integrated session clustering, and improved taglib handling, and its performance and management capabilities are greatly improved. This release also reunited the Tomcat developer group, which had been split into two branches. Since my last article about DB2 for iSeries, many things have changed, so an update is important. READ MORE >

Writing Control Break Programs
by Ted Holt

Having worked on programs written by different programmers, I have noticed a lot of different techniques and programming styles. However, one thing is consistent: that most programmers do not design programs. When it comes time to write a program, they just sit down at their workstations and have at it. This approach to program development results in error-prone programs that are hard to modify. A saying I once read on a poster comes to mind: If builders built houses the way programmers write programs, the first woodpecker to come along would destroy civilization. READ MORE >

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Changing Prototypes and Dual Prototyping
Hey, Joel:

You mentioned in your article "Service Programs with a Smile" that changing a procedure's prototype could cause problems. Are you saying you should never change a prototype? I'd like to add a new parameter to a procedure, and it seems a little impractical for me to create a whole new procedure. Any suggestions? READ MORE >

Sending E-Mail from RPG
Hey, David:

A few years ago you wrote an article about sending e-mail using the QzmfCrtMailMsg API. I used your code at my last job to send e-mail from RPG programs. I told my new boss I could set it up so that we could send e-mail from our RPG programs, but I don't have the magazine with that article. Is that article available online, and is the QzmfCrtMailMsg still the way to go? READ MORE >

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OS/400 Alert: i5, or iHype?
by Shannon O'Donnell

You've heard all the news in The Four Hundred about the newest operating system and hardware from IBM, and may be getting anxious, thinking that you are going to be left behind. Before you start hyperventilating, take a moment to read what I have to say about what this announcement really means to you from a practical perspective. Also in this issue we tell you about the arrest of the creator of W32.Sasser and a rather goofy OS/400 PTF from IBM. READ MORE >

Reader Feedback and Insights

We value your feedback and insights. Feel free to send a letter to the editor. Letters may be printed, unless otherwise specified, and edited for clarity or length. READ MORE >

Editors: Howard Arner, Joe Hertvik, Ted Holt,
Shannon O'Donnell, Kevin Vandever

Managing Editor: Shannon Pastore

Contributing Editors: Joel Cochran, Wayne O. Evans, Raymond Everhart,
Bruce Guetzkow, Marc Logemann, David Morris

Publisher and Advertising Director: Jenny Thomas

Advertising Sales Representative: Kim Reed

Contact the Editors: To contact anyone on the IT Jungle Team
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TABLE OF CONTENTS
Tomcat 5 and DB2 for iSeries Writing Control Break Programs Changing Prototypes and Dual Prototyping Sending E-Mail from RPG OS/400 Alert: i5, or iHype?

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