Link
https://github.com/tiny-dnn/tiny-dnn/tree/master/examples/mnist
https://qiita.com/nyanp/items/11c6bb6fb539486c5069
C++ tutorials
https://qiita.com/Rowing0914/items/d65e901fee9f4e2adffe
https://qiita.com/Rowing0914/items/05df2d6f82864e65ef2c
https://qiita.com/Rowing0914/items/aee5e023d35027682f02