Guild Companies, Inc.  
 
Midrange Programmer - How-To Advice & Free Code
OS/400 Edition
Volume 1, Number 6 - March 28, 2002
In This Issue
Less Theory. More Hands-On Programming, Advice, and Code.
Sponsored By
BCD INT'L

WebSmart -- Superior Technology to create your OWN solutions

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Try the #1 Web tool for FREE.
Click www.BCDsoftware.com
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Sponsored By
CLIENT SERVER DEVELOPMENT

LEARN SQL FROM THE SQL EXPERT

Buy your copy of iSeries and AS/400 SQL at Work direct from the author, Howard F. Arner, Jr. This is THE book to teach you SQL on the iSeries.

Howard takes you through the book, which is useful for beginners and experts alike, with a CD that has all sample data and queries in the book, plus a FREE copy of his SQLThing tool. You can learn by doing.

Take your SQL to the next level. Order your copy at SQLThing.com.

Form Up to Learn About HTML Forms
by Shannon O'Donnell


In previous issues you've seen how easy it is to create static HTML Web pages. You've seen some ways to format data and even how to make text fly across the screen. You've also seen how easy it is to move HTML pages to your iSeries and display them from a Web browser. In this issue, you'll learn how to create HTML forms to accept input from users and how to use Java Script.
READ MORE >
Recursive Calls Using Subprocedures
by Kevin Vandever


In "Subprocedures: Better than Subroutines," Ted Holt discusses the advantages of subprocedures over subroutines, and talks about local variables, return values, and the different ways to define parameters when using subprocedures. One advantage he mentions--but leaves for another article--is that subprocedures support recursion. Well, this is that article. I'm going to discuss the basics of recursion and provide an example of when you might want to use it in your applications.
READ MORE >
Sponsored By
COMMON

Attend the COMMON IT Conference in Nashville, April 14-18


We've posted a lot of new information on the COMMON Users Group's Spring 2002 IT Education Conference & Expo, April 14-18 at Opryland in Nashville

After you complete the conference registration, stay online and make your hotel arrangements at Opryland. You'll want to stay here, because Opryland is our total conference facility. For assistance, please call 800-270-8223.

Sponsored By
SOFTLANDING SYSTEMS

Data File Reorgs Without Downtime!

Using TurnOver PDQ, one company reclaimed 14 GB disk space with just 10 MINUTES of downtime! PDQ also converted 43.5 million records plus 50,000 updates - only 30 minutes of downtime!

PDQ's proven technology eliminates risk so you can make important changes any time without impacting business.

For info or a free trial, visit www.softlanding.com/pdq/400

Getting Started with XML
by David Morris


Extensible Markup Language is a dialect of Standardized Generalized Markup Language. The World Wide Web Consortium created this new dialect of SGML to provide a simple alternative to SGML for describing data exchanged between software applications. Although XML is a simplified version of SGML, it is powerful enough to describe almost any data, in a format that is understood by the majority of computers in use today.
READ MORE>
Working with Parameters and Variables in Qshell Scripts
by Ted Holt


It's not likely that you'll write a useful Qshell script without dealing with parameters, variables, or both. Qshell would be a weak and almost worthless language if it had no mechanism to replace tokens with run-time values. If you have worked with Unix shells, you will find the same powerful data-manipulation features in Qshell. If your background is with IBM midrange machines, you'll find powerful features you never saw in CL or OCL.
READ MORE>
Sponsored By
PROFOUND LOGIC SOFTWARE

Do you work with complex RPG programs?

Did you know you could add graphical features right into the Source Edit Utility to help you Analyze and Edit RPG source?

You can download and install these features in approximately 1 Minute.


Visit www.RPGAlive.com/now
to find out more.

Sponsored By
MIDRANGE BLUE BOOK

Visit the world's first and only Midrange Blue Book, at www.thembb.com.


Covering wholesale and retail prices on everything: systems, upgrades, memory, disk, tape, features, and so on. Specializing in AS/400-iSeries and RS/6000-pSeries, covering products from HP, Sun, Cisco, and dozens more.

Guild Companies readers: Use the promotion code MSI-01 when you sign up for the $399 annual subscription, and Midrange Blue Book will chop off $50.

Test Data Queue Applications Using Java
by Kevin Vandever


If your Java applications need to access iSeries resources, the IBM iSeries Toolbox for Java is an excellent way to accomplish that. The toolbox is so robust that it has become an extension of OS/400 itself. You name the iSeries resource, and the toolbox probably has a Java class to access that resource. In fact, it was while using such a tool, which I extracted from the toolbox simply to help me test data queues, that I thought, "Hey, if this is helpful to me, maybe others can benefit, too."
READ MORE>
CODE/400's Code/Editor: Tips and Tricks
by Shannon O'Donnell


In the last issue, I introduced you to CODE/400's Code/Editor. Using this cool new tool from IBM, available as a part of the IBM WebSphere Development Studio toolset for iSeries, developers can very quickly create a multitude of applications in a variety of languages, including RPG IV, Java, COBOL, and more. In this issue, I'm going to show you a few tips and techniques that will make your editing experience much more enjoyable.
READ MORE>
Reader Feedback and Insights
We value your feedback and your insights into the OS/400 market. Feel free to drop us a letter to the editor and we will post them in a reader feedback column associated with this newsletter. READ MORE >
Corrections
Guild Companies strives to publish accurate information at all times. Minor errors of spelling, punctuation, and the like will be corrected on our Web site without notice. When we correct significant errors of fact or substance, we will note the correction on the page containing the corrected version of the original article, as well as in the next issue of the newsletter.

If you think Guild Companies has published something in error, please e-mail us at editors@itjungle.com.

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Copyright © 1996-2008 Guild Companies, Inc. All Rights Reserved.
THIS ISSUE
SPONSORED BY:
BCD Int'l
Client Server Dev.
COMMON
SoftLanding Systems
Profound Logic Software
Midrange Blue Book
BACK ISSUES
TABLE OF CONTENTS
Form Up to Learn About HTML Forms
Recursive Calls Using Subprocedures
Getting Started with XML
Working with Parameters and Variables in Qshell Scripts
Test Data Queue Applications Using Java
CODE/400's Code/Editor: Tips and Tricks

Editors
Shannon O'Donnell
Kevin Vandever

Managing Editor
Shannon Pastore

Conributing Editors
Howard Arner
Joe Hertvik
Ted Holt
David Morris
Richard Shaler

Contact the Editors
Do you have a gripe, inside dope or an opinion?
Email the editors: editors@itjungle.com

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  Last Updated: 3/27/02
Copyright © 1996-2008 Guild Companies, Inc. All Rights Reserved.