Archive

Category: Articles

Long-form posts and guides on data science, vectors, and Oracle technologies.

2025 markets volatility and investing analysis

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…

Oracle Machine Learning performance levels LOW, MEDIUM and HIGH

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 AI Database is: “What exactly do…

AI code review comparison for FastAPI pull requests

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 by “LGTM, ship it.” You open…

Housing affordability in Spain and young people

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…

H3 hexagonal geospatial indexing map of Madrid and Europe

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…

Illustration comparing JSON and TOON data formats for AI and data workflows.

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…

Oracle APEX application connected to OCI Data Science for machine learning predictions.

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…

Oracle APEX application connected to OCI Data Science for machine learning predictions.

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…

Oracle APEX workflow configuration for automating approval and rejection processes.

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…

Comparison of ChatGPT and DeepSeek models for hands-on AI experiments.

ChatGPT vs DeepSeek: Key Differences and Hands-On Experiments

My findings after comparing two powerful AI Assistants Over the past few days, I’ve spent some time investigating DeepSeek, a…