1)安装mysql:略2)启动mysqld:mysqld3)修改mysql的root 用户的password:mysql -u rootuse mysqlupdate user set passwordpassword(“”) where user”root”;grant all privileges on *.* to root’%’ identified by ‘’ with grant option;flush priv…
[rootlocalhost ~]# docker pull ningx
Using default tag: latest
Trying to pull repository docker.io/library/ningx ...
Get https://registry-1.docker.io/v2/: x509: certificate has expired or is not yet valid 上述的这种错误是时间有问题,更新一下时间…
1 internal sealed class GenericTypeThatRequireAnEnum<T>2 {3 public static int age 12; //该 static 字段在不同的封闭类型之间是独立不共享的4 5 //静态构造器针对每个封闭类型都会执行一次,泛型类型定义静态构造器的目的就是为了保证传递的类…