https://blog.csdn.net/yhl_leo/article/category/5969853 TensorFlow blog
https://blog.csdn.net/shichaog/article/details/73123801
https://stackoverflow.com/questions/42785026/tf-nn-conv2d-vs-tf-layers-conv2d tensorflow
https://www.zhihu.com/question/52684594 python reshape –1
http://www.cnblogs.com/ykyimin/p/3918609.html C语言 指针相减
https://blog.csdn.net/huahuazhu/article/details/73649389 tf.nn.dropout
http://blog.chinaunix.net/uid-25515119-id-4945821.html openwrt mount usb
http://www.zbt-china.com/news/jishuziliao/97.html
https://segmentfault.com/a/1190000000380308