Introduction When I started learning frontend development, I thought I needed expensive software to build things that looked "professional." Turns out, that's completely false. Some of the best frontend tools out there are free — and a lot of deve...

I build a blog API with FastAPI + Redis + MySQL. Three cache problems almost killed my app. If you also face these problems! Here's how I fixed each one. 1. Cache Penetration What's Cache Penetration? Cache Penetration refers to a scenario where t...