Pomelo Lee workspace

  sudo yum install epel-release
 
  sudo rpm -Uvh http://rpms.famillecollet.com/enterprise/remi-release-7.rpm

  ## Install PHP 7.4 
  yum --enablerepo=remi-php74 install php
 
  ## Install PHP 7.3 
  yum --enablerepo=remi-php73 install php
 
  ## Install PHP 7.2 
  yum --enablerepo=remi-php72 install php
 
  ## Install PHP 7.1 
  yum --enablerepo=remi-php71 install php

	### For PHP 7.4
yum --enablerepo=remi-php74 install php-xml php-soap php-xmlrpc php-mbstring php-json php-gd php-mcrypt
 
### For PHP 7.3
yum --enablerepo=remi-php73 install php-xml php-soap php-xmlrpc php-mbstring php-json php-gd php-mcrypt
 
### For PHP 7.2
yum --enablerepo=remi-php72 install php-xml php-soap php-xmlrpc php-mbstring php-json php-gd php-mcrypt
 
### For PHP 7.1
yum --enablerepo=remi-php71 install php-xml php-soap php-xmlrpc php-mbstring php-json php-gd php-mcrypt

  ## For PHP 7.4 
  yum --enablerepo=remi-php74 install php-fpm mysqlnd
 
  ## For PHP 7.3 
  yum --enablerepo=remi-php73 install php-fpm mysqlnd
 
  ## For PHP 7.2 
  yum --enablerepo=remi-php72 install php-fpm mysqlnd
 
  ## For PHP 7.1 
  yum --enablerepo=remi-php71 install php-fpm mysqlnd

	sudo apt-get install deepin-appstore
	##注意移除data数据即可
	sudo apt-get remove deepin-appstore-data
	sudo apt-get install dde
	sudo reboot

 wget https://dl.google.com/linux/direct/google-chrome-stable_current_x86_64.rpm

 yum -y install ./google-chrome-stable_current_x86_64.rpm

  [root@localhost soft]# google-chrome --version
   Google Chrome 87.0.4280.88

   wget https://npm.taobao.org/mirrors/chromedriver/87.0.4280.88/chromedriver_linux64.zip
 
   #解压chromedriver_linux64.zip
 
   unzip chromedriver_linux64.zip
   mv chromedriver /usr/bin/

 $ curl -sSL https://get.daocloud.io/docker | sh
 $ sudo systemctl start docker
 
 $ docker run -d -p 4444:4444 -v /dev/shm:/dev/shm selenium/standalone-chrome:4.0.0-beta-1-prerelease-20201208
 
 //如果遭遇iptables nat 等失败 可以重新启动下docker再运行selenium chrome解决
 $ service iptables stop
 $ service iptables start
 $ sudo systemctl restart docker
 $ docker run -d -p 4444:4444 -v /dev/shm:/dev/shm selenium/standalone-chrome:4.0.0-beta-1-prerelease-20201208
 
 //仅仅是备用，无需安装
 $ docker pull openjdk:11

<dependency>
	<groupId>org.seleniumhq.selenium</groupId>
	<artifactId>selenium-java</artifactId>
</dependency>

	<xmp>
		这里的代码将原样输出：
		<script>这里是脚本</script>
	</xmp>

	var info= "<script>这里是脚本</script>";
	//替换一个  
	info = info.replace('<', '&lt;').replace('>', '&gt;');
	//全局替换 //g是重点，如果替换的为‘/’，需要转义，吧/</g替换为'/\//g'
	info = info.replace(/</g, '&lt;').replace(/>/g, '&gt;');

	<code>
		这里的代码将原样输出：
		&lt;script&gt;这里是脚本&lt;/script&gt;
	</code>
	<--pre>
		这里的代码将原样输出：
		&lt;script&gt;这里是脚本&lt;/script&gt;
	<--/pre>

	<textarea>
		这里的代码将原样输出：
		<script>这里是脚本</script>
	</textarea>

 client
  .query("SELECT * FROM users WHERE id='sara'")
  .execute(ar -> {
  if (ar.succeeded()) {
    RowSet<Row> result = ar.result();
    System.out.println("Got " + result.size() + " rows ");
  } else {
    System.out.println("Failure: " + ar.cause().getMessage());
  }
 
  // Now close the pool
  client.close();

    <dependency>
      <groupid>com.github.rholder</groupid>
      <artifactid>guava-retrying</artifactid>
      <version>2.0.0</version>
    </dependency>

 
RENAME TABLE t_user TO t_user_20200920;
RENAME TABLE data_user TO t_user;