Numpy [None, …]
by Jerry Su, post on Nov 26, 2021None
在对应位置增加一个维度(类似于unsqueeze(axis=)
)
...
等价于[:,:,:]
import numpy as np
arr = np.random.randn(5, 10)
arr.shape
(5, 10)
arr[None, ...].shape
(1, 5, 10)
arr[..., None].shape
(5, 10, 1)
arr[:, None, :].shape
(5 …
Docker Python Mysql
by Jerry Su, post on Sep 16, 2021docker pull mysql:5.7
docker run -itd -p 8070:3306 -v /hadoop-data/work/sl/project/mysql/data:/var/lib/mysql -v /hadoop-data/work/sl/project/mysql/conf.d:/etc/mysql/conf.d --name=qa_mysql -e MYSQL_ROOT_PASSWORD=123456 mysql:5.7
mysql -h host_ip -P port -u root -p123456
show …