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July 7, 2010 | Volume 9 Issue 13

ISSUE HIGHLIGHTS

TOP STORY: Practical RDPi: Filters for Fun (and Productivity)
FEATURED ARTICLE: Are You Taking Full Advantage of the System Entry Point Table Object?
NEWS HIGHLIGHT: IBM Launches New Security Solutions, Extends Secure by Design Initiative
FORUM: VARLEN in DDS vs. VARCHAR in DDL
MC STORE: Top 10 Best-Selling Titles for June 2010

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Feature Article - Programming
 
Practical RDPi: Filters for Fun (and Productivity)

Some jobs are too tricky to leave to your computer unsupervised, but RDPi has tools that speed up even the most tedious of programming tasks.

joe_plutaWritten by Joe Pluta

A computer will do exactly what you tell it to do, no matter how much that request might defy common sense. A perfect example of that truism is the ubiquitous and sometimes dangerous "find and replace." You can tell any decent source-editing tool to replace all instances of the field name CUSNAM with CUSNME and it will dutifully do exactly that, and thanks to the cryptic nature of field names in RPG, the chances are that the execution will be flawless. However, use find and replace enough and you will eventually run into a situation where the editor replaces things you really didn't want replaced. This article shows you how to combine a couple of features of Rational Developer for Power Systems Software for IBM i (RDPi) to create a semi-automated find and replace mechanism.


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Feature Article - Programming
 
Are You Taking Full Advantage of the System Entry Point Table Object?

Achieve API invocation performance gains and discover a new pointer caching technique.

junlei_liWritten by Junlei Li

The System Entry Point Table (SEPT) object, QSYS/QINSEPT, is a space object with MI object type/subtype code hex 19C3 and external object type *SEPT. It is designed to improve the performance of invocation of program objects in library QSYS. The SEPT stores authorized system pointers to many (but not all) of the user domain/system state (aka API) or system domain/system state program objects residing in library QSYS in its associated space.


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Most Popular MC Press Books
 

Top 10 Best-Selling Titles for June 2010

  1. Advanced, Integrated RPG
  2. Complete CL, Fifth Edition
  3. The IBM i Programmer's Guide to PHP
  4. SQL for eServer i5 and iSeries
  5. Functions in Free-Format RPG IV
  6. IBM System i APIs at Work, Second Edition
  7. HTML for the Business Developer
  8. The Remote System Explorer
  9. Free-Format RPG IV
  10. IBM i and i5/OS Security & Compliance

 

 

 


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