tensorflow 2.0 的资料
https://github.com/jtoy/awesome-tensorflow
https://github.com/Amin-Tgz/awesome-tensorflow-2
https://github.com/EliotAndres/awesome-tensorflow-2
https://www.tensorflow.org/guide/effective_tf2
https://www.tensorflow.org/tutorials/customization/autodiff
https://www.mlguides.com/2019/08/19/the-best-tensorflow-2-0-book-in-2019/