Demo mode: If Supabase environment variables are empty, the app stores scores in the current browser's local storage. This is only for local testing on one browser/device. Public mode: Configure ...
One Express/Node 24 API with PostgreSQL 18. Recharge virtual coins, exchange 100 coins for 1 gem, then spend 10 gems for one random result. No payment provider, real money or valuable prize is ...
I want to sell my personal development know-how on note. However, it takes time to write a single article, and I'm afraid of accidentally including company names or customer information. This series ...