Writing
Articles, experiments and practical technical guides.
AI, Data Science, Oracle APEX, OCI and the engineering patterns behind real implementations — written to be reused, not just skimmed.
2025 Was a Reminder That Markets Don’t Move in Straight Lines
A rigorous recap from a curious amateur — and what the evidence suggests we should watch in 2026 (not financial advice). I’m not a finance professional. I’m simply…
Managing ML Performance in the Database: A friendly guide to LOW / MEDIUM / HIGH on OML
A common question when using Oracle Machine Learning (OML) on Autonomous Database / Autonomous…
I let two AIs review my PRs: One breaks my fastAPI code, the other fixes It
Pull Requests are where good engineering habits either level up… or quietly get replaced…
When Housing Becomes a Luxury Tax: Why Young Spaniards Are Giving Up on Their Future
I am writing this in English and publishing it on Medium and LinkedIn because what is happening in Spain with…
From Lat/Lon to Hexagons and Neighbourhoods: Learning H3 with Madrid
How a bird-sighting anomaly project turned into a reusable H3 geospatial demo. When you work with geospatial data, you quickly…
JSON vs TOON: Is your data format really the problem?
Lately my feed is full of posts claiming that TOON cuts LLM token usage by 30–60% and that JSON is…
Secure AI in Action at Nexus Luxembourg 2025
Last June I had the chance to spend two intense, inspiring days at Nexus Luxembourg 2025 – and this time…
Building an Oracle APEX Application for Machine Learning Predictions with OCI Data Science — Part 2
📎 Read Part 1 First:If you haven’t seen the first part where we trained and deployed a machine learning model…
Building an Oracle APEX Application for Machine Learning Predictions with OCI Data Science — Part 1
Introduction Welcome to this comprehensive guide on building an Oracle APEX application that integrates with OCI Data Science to make…
Automating Approvals with Workflows in Oracle APEX
Workflows are essential in modern applications to streamline processes, ensure consistency, and automate repetitive tasks. Oracle APEX provides a robust…