Featured

How The Heck Do QR Codes Work? – QR codes are everywhere, but do you know how it work? This post is a deep dive on how it works and how can you read them.

How The Heck Does GPS Work – This amazing post explains on a simple way how does GPS work. Very interesting and easy to read!

Everyone wants to be AI-pilled. Most Companies Are Still Level 1 – Most companies want to be “AI First” but most companies are not. This post introduces 6 levels of AI usage at companies with clear examples of what represent each level.

Why Japanese companies do so many different things – Have you noticed that Japanese companies usually have a very broad range of products? Most of the times very deep specialized, leading the market and with high quality? This post is a deep dive on Japanese companies and why they’re so different from the US/Europe ones.

MISC

Agentic Coding is a Trap – AI coding agents are everywhere right now and many people are treating them like the future of software engineering. This post explains why blindly trusting agentic coding can become a trap.

Your CEO is suffering from AI psychosis – A funny but also very real post about how many executives are becoming obsessed with AI.

A Deep Dive into Memcached’s Architecture – Memcached is a “classic sofware” that everyone alreade heard about, but recently people are tending to use more Redis. This post explains the Memcached architecture and what is different on it.

Why PostgreSQL is One of the Best Databases – PostgreSQL is one of the most respected databases in the industry and this post explains why.

Are AI data centers stealing all your water? – This post goes into some fake news (and others not) about what is true about AI data centers and environment impact. Interesting to know that many things that people are saying are false, but unfortunately, some facts are true.

How ChatGPT serves ads. Here’s the full attribution loop. – Very interesting deep dive on how ads attribution probably works inside ChatGPT.

Engineering Metrics for Beginners – This post is a simple introduction to engineering metrics, why they matter, common mistakes, and how to use them.