【案例】舒邑:一个女装品牌的奇葩打法[email protected]黑马

案例:rename一个数据文件后做不完全恢复 SQL>startup mount:   //启动到mount状态 SQL> show parameter control_files    //查看控制文件的位置信息 NAME                                 TYPE        VALUE ------------------------------------ ----------- ------------------------------ contro

函数可以没有返回值案例,编写一个函数,从终端输入一个整数,打印出对应的金字塔 import scala.io.StdIn object work02 { def main(args: Array[String]): Unit = { println("请输入一个数") var num:Int=StdIn.readInt() val pige=(num:Int)=>{ for (i<-1 to num){ for (j<-1 to num-i){ print("

无书面许可请勿转载 高级playbook Finding files with variables All modules can take variables as part of their arguments by dereferencing them with {{ and }} . You can use this to load a particular file based on a variable. For example, you might want to select a

如无书面授权,请勿转载 Larger Projects Until now, we have been looking at single plays in one playbook file. This approach will work for simple infrastructures, or when using Ansible as a simple deployment mechanism. However, if you have a large and complicated

解决cocos2d-x中编译出现的一个小问题 对于cocos2d-x 2.×中编译中,若头文件里引入了#include "cocos-ext.h",在进行C++编译的时候会遇到例如以下错误: undefined reference to symbol '[email protected]@GLIBC_2.2.5'/lib/x86_64-linux-gnu/libpthread.so.0: error adding symbols: DSO missing from command li

一个兼职DBA的数据库运维经验 小米科技  [email protected] 2011 报警监控系统粒度太大,不好用(我们公司现状)数据库状况:十个服务器,惠普HP380G7 戴尔R710 ,都做了主从全部sas盘 15K RAID10服务器内存24G数据库跟业务混用,不是专门给数据库用 导致出问题(我们公司现状)备份用的xtrabackup 数据库不大:160G 70G 30G程序支持分库分表 --------------------------问题 io util% 100%(学)正常io

目的:编写一个实用的makefile,能自动编译当前目录下所有.c/.cpp源文件,支持二者混合编译.并且当某个.c/.cpp..h或依赖的源文件被修改后,仅重编涉及到的源文件,未涉及的不编译. 二要达到这个目的,用到的技术有:1-使用wildcard函数来获得当前目录下所有.c/.cpp文件的列表.2-make的多目标规则.3-make的模式规则.4-用gcc -MM命令得到一个.c/.cpp文件include了哪些文件.5-用sed命令对gcc -MM命令的结果作修改.6-用include命

如无书面授权,请勿转载 第五章 自定义模块 External inventories In the first chapter we saw how Ansible needs an inventory file, so that it knows where its hosts are and how to access them. Ansible also allows you to specify a script that allows you to fetch the inventor

无书面许可请勿转载 高级Playbook Extra variables You may have seen in our template example in the previous chapter that we used a variable called group_names . This is one of the magic variables that are provided by Ansible itself. At the time of writing there a