Jonel Rienton
S/4HANA, GenAI, Flowers

Articles

Jun
04

The First Thing You Should Set Up Before Using Claude

Most people open Claude and start typing. That works. But it is not optimal. Before you use Claude for anything important, build a default instruction. Think of it as a standing briefing you give once so you do not repeat yourself every session.
2 min read
May
23

AI: Which model to use?

The strategy is not to select the one best AI model but to choose the right one for the specific
1 min read
May
17

SAP Clean Core Architecture: A Practical Guide for Technical Teams

SAP’s Clean Core strategy is a design principle for keeping your SAP S/4HANA system as close to standard
2 min read
May
09

2026 May Wallpaper

Thanks to Copilot Image Creator
Nov
08

SAP: How to mitigate downtime, performance bottlenecks, failed jobs, or user frustration

2 min read
Aug
31

A time-saving trick to arrange windows in the new macOS Tahoe 26

Previously, organizing windows in the macOS can be a chore. I had to rely on third-party solutions just to get
1 min read
Jun
01

How AI thinks of me

Jonel Rienton: The Architect of SAP Agility You're a sharp-minded SAP Basis Leader with one foot in the
1 min read