I’m a big believer in sketching complex ideas visually out to break them down and understand them better. Drawing also helps you better remember things.

I won’t put my own sketches here, as they tend to be pretty ugly with lots of crossed out areas and re-do’s.

But girliemac on GitHub has an amazing repo of her own pro-level tech doodles.

👉Doodles-as-A-Service Repo

The Algorithms / Data Structures section is the most compelling to me, but it also covers web dev, machine learning, and more.

Via iOS Dev Weekly.