[vishvananda]

I can see how The courses would be tough to digest without some theory from other sources, but I have found them to be invaluable for tips and tricks. They are loaded with practical information.

Much of Deep Learning is still experimental in nature and requires quite a bit of educated guessing. A number of times I have been stuck on a particular deep learning problem and a passing comment from one of the fast.ai videos has given me the perfect insight.