一、用Sequential来构建网络非常方便,并且不要忘记初始化
from mxnet import nd
from mxnet.gluon import nnnet nn.Sequential()
with net.name_scope():net.add(nn.Dense(256,activation "relu"))net.add(nn.Dense(10))net.initialize()
x nd.rando…
MySQL支持实现group_concat() 内部自定义排序: 实例:
新建一张表 reward,表中数据如下: SQL: SELECT uid, GROUP_CONCAT(money ORDER by money DESC) AS money_desc FROM reward GROUP BY uid DESC; 结果:…