Four talks in four weeksA journey to exchange knowledge
by Exchanging knowledge is something I deeply enjoy and have been doing through conference talks since 2015. I believe it’s one of the best ways to …
Category: Posts
How to Detect Forbidden Words in Text (Without Slowing Down) – Part II
by In our previous blog post, we adopted the Trie (Prefix-tree) data structure to address the use case of detecting forbidden words in texts. This structure …
Reprogramming My Career – Engineer to EngineerHow I turned my mechanical engineering background into a future in software engineering
by Trainee Program Hey everyone! 👋 Today I’m not here to talk about the usual topics, such as tests or SQL (Yes, I know part 2 …
Rails Multi-Databases and Tenancy: How You Can Do It TodayExploring how to implement multi-databases and tenancy in Rails 8.1 with SQLite and ActiveRecord::Tenanted
by 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 …
Women in tech: Ada LovelaceThe world's first programmer
by 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, …
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 …
The Road To JVM: How To Create A Brainfuck Interpreter
by 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 …
DDD Studies: Between Fishermen and DevelopersReflections on my initial studies in Domain-Driven Design
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 …
How To Measure Your Page’s UX with Web VitalsReasonning about SSR and Deployment
by This post is part of our ‘The Miners’ Guide to Crafting Code‘ series, designed to help aspiring developers learn and grow. Stay tuned for more! …
What’s New In Rails 8.1 And Its Ecosystem
RailsWorld 2025 is currently taking place in Amsterdam, and, as always, DHH, the creator of Rails, has made some exciting announcements. In this article, we’ll …