Professional


Books on i.s.h.med PMD published

I've written and published three books on i.s.h.med Parametrierbare Medizinische Dokumentation (PMD) that are now available - for now, there's only a German edition. You can buy the books at your preferred online or local bookstore, but you can also order them directly from me - check the website www.pmd-buch.de for more information.

Extensibility Ain't Just A 13-Letter Word

This is a repost of an article published on the SAP Community Network.

ABAP Trapdoors: R-F-Conversion on a STRING

This is a repost of an article published on the SAP Community Network.


Welcome back to another ABAP Trapdoors article. It’s been a while – I’ve posted my last article in 2011. In the meantime, I’ve collected a number of interesting topics. If you’re interested in the older articles, you can find the links at the end of this article.

ABAP Trapdoors: Death By STRING

This is a repost of an article published on the SAP Community Network.


As in the previous post, this one is a trapdoor to be avoided by framework and toolkit designers rather than their users.

ABAP Trapdoors: Type Lock-In

This is a repost of an article published on the SAP Community Network.


In the past ABAP Trapdoor blogs, I've written about various problems that can occur when actually writing code in ABAP. Today's issue is more about a structural or design problem. For this example, we'll use the following class hierarchy:

CHANGING-Hierarchy-0002.png

ABAP Trapdoors: LOOP Dizziness

This is a repost of an article published on the SAP Community Network.


First off, I'd like to apologize for the delay since my last ABAP trapdoor article. I'm really grateful for all of the kind responses I'm getting for these articles. However, having a 14-months-old toddler around invariably implies having all kind of germs around, and some of them apparently teamed up to knock me out for some time...

Eclipse PDE Headless Build: To Order!

If your product-based Eclipse PDE Headless Build seems to work just fine and creates some archives with files and executables inside, you might still experience one ugly problem:

Unable to acquire application service. Ensure that the org.eclipse.core.runtime bundle is resolved and started (see config.ini)

Eclipse PDE Headless Build: Beware of OpenJDK / Debian

If you're setting up a linux box to run an Eclipse PDE headless build and by choice or accident end up using a Debian system and again by choice or accident installed the OpenJDK, you'll probably see the following p2 director error message after enabling the p2 integration:

One or more certificates rejected. Cannot proceed with installation.

ABAP Trapdoors: Morphing Method Parameters

This is a repost of an article published on the SAP Community Network.

ABAP Trapdoors: The Myth of the Instance Constructor

This is a repost of an article published on the SAP Community Network.


Arguably one of the most misleading field values in the entire ABAP Workbench is this one:

AT-Constructor-InstanceMethod_mw.png

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