Publishing My Emulator Book on Amazon KDP
I put the NES emulator book I built earlier this year on Amazon KDP after it sold 60+ copies on Reddit. Notes on the move and what I changed.
Matias Salles
Ruby on Rails developer and open source enthusiast sharing my thoughts and experiences on various engineering topics.
Latest posts
Slap Links: My First Fully Vibecoded Chrome Extension
I vibecoded SlapLinks, a Chrome extension inspired by SlapMac.
From Heroku to DigitalOcean: $4/month Side Project Deploys
I moved a side project from Heroku to a $4 DigitalOcean droplet using Kamal and SQLite, and cut my monthly hosting bill from $16 to $4.
Cheap Domains for Indie Hackers: Why I Moved to Porkbun
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)
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.