https://matiassalles99.codes/Matias SallesRuby on Rails developer and open source enthusiast sharing my thoughts and experiences on various engineering topics. 2026-05-04T03:30:28-03:00 Matias Salles https://matiassalles99.codes/ Jekyll © 2026 Matias Salles /assets/img/favicons/favicon.ico /assets/img/favicons/favicon-96x96.png Cheap Domains for Indie Hackers: Why I Moved to Porkbun2026-05-03T14:23:41-03:00 2026-05-04T03:16:15-03:00 https://matiassalles99.codes/posts/cheap-domains-porkbun/ Matias Salles I switched my domains from GoDaddy to Porkbun and cut my yearly bill in half. Here's how the transfer works and what to watch out for with DNS records. Building a NES Emulator from Scratch: The Book (Crystal)2026-03-22T14:23:41-03:00 2026-03-26T15:30:25-03:00 https://matiassalles99.codes/posts/building-nes-emulator-crystal-book/ Matias Salles I built a NES emulator in Crystal. Mario went from 0.5 FPS to 60 FPS. Then I turned the whole journey into a book. Here's what I learned. Crystal: The Language I Didn't Know I Needed2026-03-01T14:23:41-03:00 2026-03-15T16:49:14-03:00 https://matiassalles99.codes/posts/crystal-programming-language/ Matias Salles How I discovered Crystal while building a NES emulator in Ruby, and why this compiled language with Ruby-like syntax became my go-to for performance. Save Money on Heroku: Share One Database Across Multiple Apps2025-08-07T14:23:41-03:00 2026-03-15T16:49:14-03:00 https://matiassalles99.codes/posts/heroku-tips/ Matias Salles Save money on Heroku by sharing one Postgres database across multiple apps. Step-by-step guide using schema_search_path for Rails developers. Building a 4-bit CPU with integrated circuits and breadboards2024-06-18T14:23:41-03:00 2026-03-15T16:56:23-03:00 https://matiassalles99.codes/posts/4bit-cpu/ Matias Salles How I built a 4-bit CPU from scratch with integrated circuits and breadboards, covering the clock, ALU, registers, and RAM.