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How to Detect Forbidden Words in Text (Without Slowing Down) – Part II
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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 Engineer
How I turned my mechanical engineering background into a future in software engineering
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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 Today
Exploring how to implement multi-databases and tenancy in Rails 8.1 with SQLite and ActiveRecord::Tenanted
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Last Updated on January 8, 2026 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 …
Women in tech: Ada Lovelace
The world’s first programmer
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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, …
The Road To JVM: How To Create A Brainfuck Interpreter
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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 Developers
Reflections on my initial studies in Domain-Driven Design
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Last Updated on September 19, 2025 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 …
How To Measure Your Page’s UX with Web Vitals
Reasonning about SSR and Deployment
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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
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Last Updated on January 8, 2026 RailsWorld 2025 is currently taking place in Amsterdam, and, as always, DHH, the creator of Rails, has made some …
Things I wish I knew before switching to React Native
A starter guide on what we need to know to transition from React to React Native
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Last Updated on September 26, 2025 Introduction The world is constantly changing, and the tech world, even more so. In recent years, we’ve seen a …
Create CI/CD Pipelines with GitHub Actions
A practical introduction to pipelines for smarter deliveries
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Continuous Integration and Continuous Delivery (or Deployment) – better known as CI/CD Pipelines – is a pillar of modern software teams. Although it may sound like another buzzword, it’s actually about something very practical: automating the way code moves from your local enviroment to production.
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