I catch myself doing this quite often: I read documentation, try a couple of things,if it works,I move on. Now this is all good when dealing with simple things

I catch myself doing this quite often: I read documentation, try a couple of things,if it works,I move on. Now this is all good when dealing with simple things but the more complex things are the less it works. It's like reading learn python in 10 days and then going on GitHub with all that newly gained knowledge and confidence and trying to understand how a large codebase works. Within about 30 seconds you close the browser and binary tears start dripping on your keyboard...