TFH Volume: 29 Issue: 46 Archives

Guru Classic: Looking for Commitment, Part 3

August 14, 2019 Paul Tuohy

As companies look to modernize their applications, commitment control can play an integral role. This set of three articles about commitment control was originally published in March of 2009. (See Related Stories below.) The content of the articles has been updated for free-form RPG. In this article, I will take a closer look at how commitment control works by looking at the journal entries for commitment control. I will also discuss the LCKLVL and CMTSCOPE parameters on the STRCMTCTL command.

Commitment Control And Journals

Commitment control is dependent upon the use of a journal. A journal is used in conjunction …
Read more
Guru Classic: The Efficiency of Varying Length Character Variables

August 14, 2019 Jon Paris

Remember the bad old days when dinosaurs still roamed the earth and the only way to build strings in RPG involved playing silly games with arrays? Or worse still, obscure combinations of MOVE operations? Thankfully those days are far behind us — although sadly there are still a few RPG/400 dinosaurs coding away!

RPG IV introduced many powerful new string handling options, such as the %TRIMx family of BIFs, but even now there are capabilities in the language that few programmers fully exploit. One of my favorites is variable length fields. This lack of familiarity made this tip an obvious …
Read more
Guru Classic: Everybody Likes Shortcuts! Part 1, Navigation

August 14, 2019 Susan Gantner

I wrote the original version of this tip a few years ago but I still find a lot of RPGers aren’t using keyboard shortcuts as much as I think they should be. Since shortcuts can make you so much more productive, I’m re-visiting this topic with a few updates for changes in more recent versions of RDi. It’s also a follow-on to my last Guru Classic tip on RDi keyboard shortcuts.

I’ve seen a particularly sharp increase in the use of RDi (or Rational Developer for i) by RPGers in recent years. I suspect that has a lot to …
Read more

Guru Classic: Looking for Commitment, Part 3

Commitment Control And Journals

Guru Classic: The Efficiency of Varying Length Character Variables

Guru Classic: Everybody Likes Shortcuts! Part 1, Navigation

Content archive

Recent Posts

Subscribe

Pages

Search