Codeminer42's Engineering Blog
The Miners
Rails Multi-Databases and Tenancy: How You Can Do It Today
Portuguese version here: https://tech-pills.github.io/2025-09-18-Rails-Multi-Databases-e-Tenancy-como-fazemos-isso-em-2025/ Hey everyone! Hope you're doing well. So, you're building an application and you've reached that moment when you think: "Damn, how do I keep Company Two…
Women in tech: Ada Lovelace
Introduction "Who controls the past controls the future: who controls the present controls the past." These words, written by George Orwell in his novel 1984, remind us that history is…
Ctrl + Alt + Career: a shift from teaching to tech with the Codeminer42 Trainee Program
Introduction I believe one of the most common experiences in life is realizing that we no longer belong to a place that once made us feel good. This kind of…
The Road To JVM: How To Create A Brainfuck Interpreter
While studying low-level programming and the fundamentals of computation, I stumbled upon Brainfuck, an esoteric programming language. It has only eight commands and is very similar to the Turing machine…
DDD Studies: Between Fishermen and Developers
Raw Portuguese version is here: https://tech-pills.github.io/2025-08-17-estudos-em-ddd-entre-pescadores-e-desenvolvedores/ Hello there! Hope you’re doing well. I've been studying Domain Driven Design more deeply in recent weeks, and I'm working on a TypeScript monorepo…
