Richard Djarbeng's Technical Posts
(153) Posts
PHP2Shell: The Two PHP Bugs That Took Government Websites Offline, and What to Do
On Wednesday 21 October 2026, PHP released emergency fixes for two bugs that let an attacker take over a web server without logging in. PHP runs a large part of...
What can you do? Testing AI Agents, Gemini Argon and Claude
I have a benchmark prompt that I use to evaluate AI agent capabilities. The GitHub repository for the benchmark prompt is here. Every time a new model or agent drops,...
Level 4 Autonomous Driving: How Robotaxis and Driverless Buses Work Today
Robotaxis with nobody in the driver's seat now carry paying passengers in several cities, and full-size electric buses run timetabled routes without a driver at the wheel. Both are SAE...
The Six Levels of Autonomous Driving: From Driver Assist to the Level 3 Handover
When car companies advertise driver-assist software, they often blur the line between convenient driver aids and true driverless autonomy. Marketing terms like "Autopilot," "Full Self-Driving," and "hands-free assist" make it...
When LLMs Become Scientific Instruments: Groundsource Flash Flood Research Report
A deep dive into Google's 2.6-million-event flood dataset: what the data shows, what claims hold up, and why the methodology matters more than the dataset itself. Resources: Enriched Dataset |...
How Aleksa Gordić Broke into AI Engineering Without a Degree in AI
Entering artificial intelligence often looks impossible without a master's degree, a PhD, or years inside elite academic research labs. Yet one of the clearest case studies of breaking into frontier...
NASA APOD Has Migrated. Here Is What Is Changing and What Developers Must Do
NASA's Astronomy Picture of the Day (APOD) is one of the oldest living institutions on the World Wide Web. For over three decades, millions of space enthusiasts, students, researchers, and...
Sveltia CMS is feature complete. Time to switch from Decap CMS
If you run a static site on Decap CMS (formerly Netlify CMS), Sveltia CMS created by Kyoshino has reached a decisive milestone. Several projects I maintain are handed over to...
Geographic Concentration of Machine Learning Models: How Compute Economics Re-Engineered the AI Map
When you look at where notable artificial intelligence models come from, the global map looks empty. In the 2024 Stanford AI Index Report, researchers tracked 149 notable machine learning systems...
Building a Modern Blog with Eleventy 3.x (Liquid Edition)
This is a complete, hands-on guide to building a real blog with Eleventy (also called 11ty), a static site generator: a tool that takes plain files, Markdown posts, HTML templates,...
How Carnegie Mellon Sent Missions to the Moon Without an Aerospace Department
Visitors to Carnegie Mellon's labs expect artificial intelligence, big software systems, and robotics. In the university's planetary robotics space they also find flight-ready moon rovers being prepared for lunar deployment....
Coding the Mean, Median and Mode in Python - TensorTonic
For anyone unfamiliar with TensorTonic, it is often described as the "LeetCode of machine learning", a platform designed for developers to practice algorithms, refine data science techniques, and build machine...