长时间运行docker,每次只用docker kill去停止容器,但是从没删除过本地镜像,导致有上百个镜像在占用内存. 1.批量停止容器 docker container stop $(docker container ls -a -q) 2.批量删除容器和镜像2.1.批量删除容器docker container rm $(docker container ls -a -q) 2.2.批量删除镜像docker image rm $(docker image ls -a -q)
在以下四种遍历过程中,前两种会抛出ConcurrentModificationException,而后两种方法是正确的. Department类: package com.sitinspring; import java.util.ArrayList;import java.util.Iterator;import java.util.List; public class Department { private String name; private List<Member> mem