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I built a lightning-fast statistics platform for Poland
Motivation I needed Polish demographic data for a project and kept running into the same problem: the official statistics site GUS was slow, confusing, and the...
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Are Feature Flags Bullsh*t? Why Your 'IF' is Killing Performance (and the Planet)
Are Feature Flags Bullsht? Why Your “IF” Is Killing Performance and the Planet My name is Matheus de Camargo Marques. I’m not sure how my last article relates...
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State machines as business logic engines
Throughout my years of web development with Elixir and Phoenix, I have often struggled with how to handle business logic, particularly when it comes to status c...
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Building Game of Islands with Elixir and Liveview
What is Islands Duel? Islands Duel is a two‑player strategy game, similar to the classic Battleship game. Setup – Each player has an 11 × 11 board with 5 hidde...
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The Mystery of a Missing Greeting
Source Code and Setup The source code for this exercise is available at . You can clone the repo and follow its README’s setup steps to run this sequence on yo...
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Lazier Binary Decision Diagrams for set-theoretic types
Article URL: https://elixir-lang.org/blog/2025/12/02/lazier-bdds-for-set-theoretic-types/ Comments URL: https://news.ycombinator.com/item?id=46120603 Points: 7...
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From Ruby OOP to Elixir Functional by Example
Ruby implementation One of the most effective ways to learn functional programming is to convert the same features you've written in an OOP language to functio...
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📚 Post 3: A Santa Graal da Busca: O(log N)
Acelerando a Busca: Por que o O(log N) (Busca Binária) é mais rápido que a Luz? ✨ Vimos nos posts anteriores como migrar de O(N^2) para O(N). Mas e se pudéssemo...
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A Migração de O(N^2) para O(N): O Poder do O(1)
Domando o Crescimento: Como Transformar O(N^2) em O(N) com Estruturas de Dados Elixir No Post 1 - O que é Big O? e o Vilão O(N^2), vimos que a complexidade O(N^...
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O que é Big O? e o Vilão O(N^2)
Complexidade de Algoritmos com Elixir: Entendendo o O(N^2) e Por que sua lista é tão lenta? Se você programa em Elixir ou qualquer outra linguagem e já viu seu...