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<!--消息上面一行代码是：将一行分成多个等份，占其中1份消息下面一行代码是：文本居中最后两行代码，第一个是引用／drawable/xiaoxi.xml中的效果，点击前和点击后后一行是引用／drawable/text_color.xml背景颜色--><RadioButton android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="1" androi

#!/bin/bash# date:2019-03-19#Author:GuoRia=`ifconfig |grep -w inet|awk 'NR==1{print$2}'`b=hostnameecho "$a $b" >> /etc/hosts--------------------赛选出本机IP------------ifconfig |grep -w inet|awk 'NR==1{print$2}'赛选出本机IPifconfig |grep -w inet完全匹配inet的信息|aw

#!/bin/bashrepo="/etc/yum.repos.d/epel-7.repo"if [ ! -e $repo ]; then                 # -e 判断文件存在；参考：Shell if 条件判断文件或目录yum install -y wgetcd /etc/yum.repos.d/mkdir bakmv * bakwget http://mirrors.aliyun.com/repo

#-----------在某行(指具体行号)前或后加一行内容-----------linux vi命令删除一行#第4行末尾追加一行，内容为testsed -i 'N;4atest' test.txt   #第4行行首追加一行，内容为testsed -i 'N;4itest' test.txt   #匹配到test字段的行行首插入一行find . -name test.txt|xargs sed -i '/test/i <!--'   #匹配

#---------设置防火墙--------systemctl status firewalld ; systemctl stop firewalld ; systemctl disable firewalld ; #---禁用selinux-------vi /etc/selinux/config ; #将文档里面的修改为：SELINUXTYPE=targetedreboot ;# 安装docker软件yum -y install docker-io

#---------设置防火墙--------systemctl status firewalld ; systemctl stop firewalld ; systemctl disable firewalld ; #---禁用selinux-------vi /etc/selinux/config ; #将文档里面的修改为：SELINUXTYPE=targetedreboot ;# 安装docker软件yum -y install docker-io

https://blog.csdn.net/kwame211/article/details/78800940yum install bridge-utils -y#安装网桥包brctl addbr br1 ； cp ifcfg-eth0 ifcfg-br1 ； -----------------------------------cat >> ifcfg-br1 <<EOF DEVICE="br1"BOOTPROTO="none"ONBOO

CREATE TRIGGER new1 AFTER INSERT ON xs FOR EACH ROW SELECT ‘product added’#CREATE TRIGGER创建触发器语句的方法#new1为新触发器的名字#在操作AFTER INSERT命令成功后执行触发器#触发器指定FOR EACH ROW#插入文本打印DROP TRIGGER new1#删除触发器CREATE TRIGGER new1 BEFORE DELETE ON cc FOR EACH ROW BEGIN INSERT INT

import osimport sys#引入模块if len (sys.argv) < 2:#判断参数是否小余2    filepath="."eles:    filepath=sys.argv[1]#将argv赋值给变量for root,dirs,files in files in os.walk(filepash):#使用os.walk遍历文件目录    for filename in files:    &nbs

pip install request#安装包----------------------from urllib import request#引入模块url = "http://www.163.com"#抓取的网页地址wp = request.urlopen(url)#打开链接content = wp.read()#获取页面内容fp = open("d:/www.txt","w+b")#open打开文件用的是‘W+B’以二进制方式打开fp.write(content)#写入数据fp.close()#关闭