那么和xlog相关的还有个查看数据库状态的命令：pg_controldata, 执行结果如下图：源文件：https://github.com/linwanggm/postxc/blob/master/pg_controldata_modify.c[wln@localhost data]$ pg_controldatapg_control version number:    

1. connect by prior 介绍语法{ CONNECT BY [ NOCYCLE ] condition [AND condition]... [ START WITH condition ]| START WITH condition CONNECT BY [ NOCYCLE ] condition [AND condition]...}解释:start with: 指定起始节点的条

1. 测试root@iZ232ngsvp8Z:~# docker run hello-world Hello from Docker.This message shows that your installationappears to be working correctly. To generate this message, Docker took thefollow

(1)chmod 755 configure(2)./configure --prefix=`pwd`/install(3)make(4)make install(5)cp support-files/my-medium.cnf /etc/my.cnf(6)[wln@localhost mysql-5.1.72]$ scripts/mysql_insta

[wln@localhost python]$ cat 01.py#!/usr/bin/env pythonimport os ,sys"""A basic fork in action"""import osprint '01'*5child = os.fork()if child == 0:    cmd = 'sudo top -b > a.top'

1.目的读取cal.txt内容，然后通过python脚本转化为list内容2. 文件内容 cal.txt1213141516cal.py脚本内容：#!/usr/bin/python#coding = UFT-8result=[]fd = file( "cal.txt", "r" )for line in fd.readlines():

1.软件安装(1) JDK:jdk-7u25-windows-i586.exe      设置环境变量：

1.软件安装(1) JDK:jdk-7u25-windows-i586.exe      设置环境变量：