MODERN ABAP
Implementing Unit Tests for an ABAP Report Program
Suketu Dave is showing in his Blog how to implement Unit Tests for an ABAP Report. A nice structured introduction on this topic.
UNTIL Considered Harmful
Jacques Nomssi Nzali shares his thoughts on the ABAP Expression FOR in combination with the UNTIL Statement.
List Report - using ABAP RESTful Application Programming Model
Pawan Kesari gives a quick introduction using the ABAP RESTful Application Programming Model with a List Report. A really good example of the start.
ABAP DEVELOPMENT
Downloading Exchange Rates from NBP (National Bank of Poland)
Łukasz Pęgiel shows how to use CALL Transformation in the right way for XML Data to downloading exchange Rates from different Banks.
Understanding polymorphism
Johannes Gerbershagen describes what you should know as an ABAP Developer about Polymorphism. Do you know what the meaning is of class, object and instantiation? If not, enjoy the explanations of Sabrina.
How to use messages properly in the code. Common rules
Petr Plenkov writes about a topic that is often misunderstood. A must-read for understanding how to use messages properly.
CORE DATA SERVICES (CDS) and HANA
Implementing DCL with CDS Views and Roles
Arjun Biswas is describing in this Blog how to Implement DCL (Data-Control-Language) with CDS (Core-Data-Services) and Roles to provide row-based authorization in UI.
CLEAN CODE, CLEAN ARCHITECTURE and NEW WORK
Expand to Extract and Back
Kent Beck gives in this article an example of his 3X Method, especially he emphasizes the Expand to Extract and Back Situation.
Why the governor of New Jersey is calling for COBOL programmers
Tudor Girba is sharing his thoughts on the Software environmentalism crisis. Will ABAP become the new COBOL? A must-read for everyone who likes to understand legacy in systems.
ALL STAR CLASSIC..
ABAP in Eclipse
On this youtube abap channel is the collection for using ABAP Development Tools (aka ABAP in Eclipse). A good recap of what is possible within Eclipse.
ABAP Development Tools Tutorials – Learn how to use ABAP in Eclipse
Olga Dolinskaja collected in her Blog the most important Blog Posts about ABAP Development Tools Tutorials – Learn how to use ABAP in Eclipse. A must-read for every ABAPer who like to sharpen his Toolset
COMMENT
ABAP Unit-Tests, ABAP in Eclipse, DCL and CDS and will ABAP become the new COBOL?
This week contains a good distribution among topics. From some ALL-Star Classics about ABAP in Eclipse to ABAPRESTful example to thoughts about old software systems.
Enjoy this Issue No. 15 and stay tuned for more content!
Damir Majer - ABAP Weekly