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文章目录Unix&Linux用户组添加用户添加用户组Docker设置镜像源基础指令HadoophadoophdfsMaven设置镜像源GitUnix&Linux用户组添加用户useradd xiaomingpasswd xiaoming添加用户组groupadd newusergroupusermod -aG newusergroup xiaomingDocker...

1、MySQL 5.7docker pull mysql:5.7sudo apt install mysql-client-core-5.7# 启动容器docker run --name=mysql-1 -it -p 3306:3306 -v /home/docker/mysql/data:/var/lib/mysql -e MYSQL_ROOT_PASSWORD=123 -d my...

Complex.h#include<iostream>using namespace std;class Complex {public: Complex(double real = 0.0, double image = 0.0) { this->real = real; this->image = image; } ~Complex(...

1、VMware Fusion安装Ubuntu镜像Ubuntu 16.04 镜像百度网盘：链接:https://pan.baidu.com/s/1DrBxmMZ2RsNMCPLR06fWDA 密码:jp38虚拟机软件：VMware Fusion更新apt-get安装图形界面提示 "Failed to start session"，需要安装Ubuntu-...

My_tools.h#include<iostream>using namespace std;template <class T> T My_min(T t1, T t2);template <typename T>T My_max(T t1, T t2);template <class T>void Swap(T t1...

#include<iostream>using namespace std;class A {public: virtual void abc() { cout << " A. " << endl; }};class B : public A {public: void abc() { cout <&...

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