ABAP
SOLID Principles in ABAP: Practical Code Examples
Five principles, real ABAP code. Learn how SOLID applies to production SAP systems — with concrete before/after examples for every principle from SRP to DIP.
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ABAP
ABAP Chain of Responsibility Pattern Explained
Tired of nested IF blocks managing SAP approvals? The ABAP chain of responsibility pattern combined with State and Iterator gives you a workflow engine that actually scales.
SAP
AI Guardrails for SAP: Stop Hallucinations in Prod
LLMs can hallucinate vendor numbers, fabricate amounts, and invent material keys — all with complete confidence. Here's how to build the validation layers that keep them out of your SAP production system.
Claude API
Claude Function Calling with ABAP: Safe BAPI Triggers
Claude's function calling lets an LLM decide when to call your BAPIs — but your ABAP code stays in control of execution. Here's how to build it safely with real examples.
ABAP
LLM Generated ABAP Code: Quality and Review Guide
LLM generated ABAP code is already on your team. Here's how to classify what AI produces, review it systematically, and decide when it's safe to ship.
SAP
AI Invoice Extraction in SAP with LLM Vision
Stop maintaining OCR templates. Here's how to build a production-grade AI invoice extraction pipeline for SAP using LLM vision models, with real Python and ABAP code.
ABAP
OpenAI API in ABAP: Auth, Streaming & Errors
Calling the OpenAI API from ABAP is trickier than it looks. This guide covers authentication, request building, error handling, and why you probably don't need streaming.
RAG
RAG Pipeline for SAP Docs with Open-Source LLMs
Tired of hunting through SAP PDFs for answers? Build a local RAG pipeline using open-source LLMs and vector databases — your docs, your hardware, no data leaving the network.
ABAP
Claude API ABAP Integration Without BTP
Connecting Claude API to ABAP without BTP is simpler than you think. This guide walks through SM59 setup, HTTP client code, JSON parsing, and secure API key storage — all in pure ABAP.
ABAP ATC
ABAP Code Inspector and ATC: Automated Quality Gates
Learn how to configure ABAP ATC and Code Inspector to enforce automated quality gates on transport release, in Eclipse ADT, and across your SAP landscape.
ABAP
BAdI vs Enhancement Spots vs User Exits: Decision Guide
Master the ABAP BAdI enhancement decision framework: when to use BAdIs, Enhancement Spots, or User Exits in SAP S/4HANA with real-world examples.
ABAP
ABAP Class-Based Exceptions: Error Hierarchies in Practice
Master ABAP class-based exceptions: design production-grade error hierarchies, implement exception chaining, and build testable error handling for SAP S/4HANA.
ABAP Mocking
ABAP Unit Testing Part 2: Test Doubles and Mocking in SAP
<p>Master ABAP unit testing with test doubles, mocking frameworks, and dependency injection in SAP S/4HANA. Practical code examples for senior ABAP developers.</p>
ABAP Design Patterns
ABAP OOP Patterns Part 3: Strategy and Command Patterns
<p>Master Strategy, Command, and Template Method patterns in ABAP OOP for SAP S/4HANA. Real code examples, rollback logic, and unit testing for senior architects.</p>
ABAP OData
ABAP RAP Part 2: Managed vs. Unmanaged Behavior Definitions
<p>Master ABAP RAP managed vs. unmanaged behavior in SAP S/4HANA. Deep dive into behavior definitions, CRUD implementations, drafts, and architectural decision frameworks.</p>
ABAP CDS Views
ABAP CDS Views Part 9: Unit Testing with Open SQL
<p>Learn how to test CDS Views in SAP S/4HANA using ABAP Unit Tests and the CDS Test Double Framework. Practical code examples for senior ABAP developers.</p>
ABAP CDS Push-Down
ABAP CDS Views Part 8: Performance and Query Optimization
<p>Master CDS Views performance optimization in SAP S/4HANA: push-down strategies, buffering, parameterization, index tuning, and real-world anti-patterns from a senior architect.</p>
ABAP CDS Annotations
ABAP CDS Views Part 7: OData Exposure and Fiori Integration
<p>Master CDS consumption views, OData exposure, and Fiori integration in SAP S/4HANA. Senior architect guide with real code examples, RAP binding, and best practices.</p>