HTTP Cache: the free optimization you may be ignoring.

A request que ninguém olhouOpen your browser's DevTools (F12) now. Go to the Network tab. Refresh any page of a system you maintain or have worked on. Look at the Status column. Everything 200 OK? Refresh the page. Ev...

Lairton Mendes · 7 min read

HTTP Cache: the free optimization you may be ignoring.

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May 09, 2026 · 6 min read

The prompt isn't the problem, the architecture is.

Why vibe coding doesn't scale I've seen some videos in my personal feed where someone opens an IDE and types into the prompt: "create a login system with registration, password ...

№ 02

May 01, 2026 · 4 min read

Where to Begin? The Act of Rebellion!

You know that feeling of going online and seeing the internet infested with peddlers of illusions? Wherever you point your mouse, a banner from some "crackpot" pops up promising...

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I build things with Ruby on Rails and write about the web, AI and the craft of software. This blog is where I keep my notes in the open.