Good data science website

https://towardsdatascience.com/

Siraj Raval
https://www.youtube.com/channel/UCWN3xxRkmTPmbKwht9FuE5A
https://github.com/llSourcell

Andrej Karpathy
Director of Artificial Intelligence
http://karpathy.github.io/
https://medium.com/@karpathy

http://www.deeplearningbook.org/

Jason Brownlee
https://machinelearningmastery.com/blog/