![]() |
![]() |
![]() |
IN THIS ISSUE:
> One function key for multiple look-ups
> In search of a better Lookup?
> Faster Lookup on unsorted arrays
> Six quick tips for working with DDS
> Common iSeries commands
> Book Excerpt: The Modern RPG IV Language, Third Edition
![]()
SPONSORED BY:
Search400.com Product and Vendor Guide
![]()
The Buyers guide is one of the most comprehensive directories of vendor and product information on the Web. It covers a wide range of areas for your research needs, including Application Dev, E-Commerce Solutions, Security and more. Simply search by topic, company name or keyword and you have access to complete vendor and important product information without having to comb through multiple sites.
![]()
Click Here!
|
![Headlines]()
![]()
One function key for multiple look-ups
[Search400.com]
by Bill Cressy
When building application entry screens, a user often has to enter codes or values that can be "looked up" from files and tables. You can buy a commercial utility to do that, but sometimes you just have to code your own look-up functions.
In the past, I have seen applications in which each field that required a look up function had an "F-Key" that performed that specific look-up for the field. A screen may have four or five "F-Keys" performing look-up functions. Rather than do that, I'm going to show you how to use only one "F-Key" to perform all look-up functions on a screen.
In search of a better Lookup?
[Search400.com]
For an unsorted array, there is no alternative to plodding through the array, an element at a time. But for a sorted array, a much faster technique known as binary search can be used.
Faster Lookup on unsorted arrays
[Search400.com]
Everyone knows that Lookup (or LOKUP) is faster than CHAIN, but you can make it even faster so that it can be used on tables, which contain very large numbers of records.
Six quick tips for working with DDS
[Search400.com]
Drawing from his own experiences, Dwight Beech offers a few DDS tips when working with logical files.
Common iSeries commands
[Search400.com]
Wondering what all those iSeries commands are used for? You can find a list of all of the commands and their uses within the "Common iSeries commands" guide.
![Also on Search400.com]()
![]()
TOPICS:
Book Excerpt: The Modern RPG IV Language, Third Edition
Log on and download for free Chapter 6 of The Modern RPG IV Language, Third Edition written by Bob Cozzi and published by MC Press.
This chapter, "Program Organization," focuses on source file location, source file member contents, module definition, static and automatic storage and more.
Win a copy of the book: After you read the chapter, test how much you've learned and then send us the results for a chance to win a copy of The Modern RPG IV Language, Third Edition.
TOPICS:
User poll
How good of a job does IBM do in providing you with up-to-date technical information or instructions to help you manage the iSeries?
ASK THE EXPERTS:
Word game for geeks
Now that you've mastered our word jumbles, why not try your hand at our word search puzzle. See if you can find all 50 hidden words. And as a bonus, if you correctly name the Search400.com site experts hidden in the puzzle, you could win a $25 Amazon.com gift certificate.
|
![]() |
|
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
Contact Us
Sales
For sales inquiries, please contact us at:
[EMAIL PROTECTED]
Editorial
For feedback about any of our articles or to send us your article ideas, please contact us at:
[EMAIL PROTECTED]
|
|
![]() |
![]() |
|
![]() |
|
![]() |
|
