in echo

Knowledge Points:Session is the server will be generated from the Web page of the information in an array into a PHP file, the resulting global variables, you can call this data in other pages under the system.Cookies are similar to the session

Exercise: Write a script adminuser33.shthat uses the following format:Adminuser33.sh--add-del-h|--help-v|--verboseamong them, - H option can only be used alone to display help information; --add option, a new user is added; - v option, the new user

Case Branch Selection Structure:Case word in [mode [| mode] ...) command;;] ... esacCase variable reference inMode 1)Branch 1;;Mode 2)Branch 2;;...*)Default Branch;;EsacMode (pattern):1. Normal text characters2.globbing-style wildcard characters:*:

1. Automatically add 10 User:#adminuser. Sh#!/bin/bash#if [= = '--add ']; ThenFori in {1..10}; DoIf ID user$i &>/dev/null; Thenecho "user$i exists."ElseUseradd user$iecho user$i | passwd--stdin &>/dev/nullecho "Add user$i finished."FiDoneelif [= = '-

1. View data from a shell prompt under MySQL specified database table2. Delete all the tables under the specified database under MySQL in bulk, Ruiy complete the absolute test---pass the pass for in 'echo' usese;show tables | Mysql-p321 '; Do "

As a network operations engineer, if the management of the routing, switching equipment more, then you will also encounter the same problem with me: The device configuration is often adjusted, especially the access layer switch, in case you forget

Session refers to the time when a user browses to a Web site, from entering a Web site to a browser shutdown, which is the time the user spends browsing the site. As we can see from the above definition, the session is actually a specific time

FileName: Querycomputer.bat Features: Finds computers that are not grouped within a domain and displays the computer name and user with domain Role: You can implement a list of monitoring computers to remind computer groupings, but also to audit

After creating a shortcut in any win environment, through the script to extract its path, and modify for the current PE suitable path to create a new shortcut, so invoke the script after the corresponding shortcut (PE desktop, Start menu, etc.) is

One, set article: 1, set (no switch) Set. =testSet.:: If a variable begins with: \. These three path-related symbols, you can omit a space by using set to view variables that begin with that character.Echo%tmp:*\=%:: Shows the part of the TMP

SSH can pass data through the technology of online packet encryption, using SSH to encrypt all transmitted data, even if someone intercepts the data, it doesn't get useful information. At the same time the data compression, greatly accelerated the

(1) Case statement: Select structure case, SWITCH in value1) statement ...;; The double semicolon ends. value2) statement ...; *) statement ...;; Esac//esac end. (2) Shift parameter description: After the shift command is executed, the command-line

1. First, create the Nginx file under the/etc/init.d/directory of the Linux systemVim/etc/init.d/nginx2. Adding a script1 #!/bin/bash2 #nginx Startup script for the Nginx HTTP Server3 #it is v.0.0.2 version.4 #chkconfig:- about5 #Description:nginx

20.5 logical Judgments in shell scripts• format 1:if conditions; Then statement; FiExample: a=5If [$a-gt 3]; then echo OK; Fi[Email protected] shell]# sh If1.shok• format 2:if conditions; Then statement; else statement; FiExample: a=5If [$a-gt 3];

Logical judgments in shell scripts1.if then fi[[email protected] shell]# cat if1.sh#!/bin/basha=5if [ $a -gt 3 ]then echo okfi2.if then else fi:[email protected] shell]# sh -x if2.sh + a=1+ ‘[‘ 1 -gt 3 ‘]‘+ echo nooknook[[email protected]

Most of the time when we write a project, we give a unified prefix to the table names used in different projects, and this also brings some trouble for future migration projects.Sometimes you migrated the target database already have other projects

Curl_xml.html:1 DOCTYPE HTML>2 HTMLLang= "en">3 Head>4 MetaCharSet= "UTF-8">5 title>Curl submits XML datatitle>6 Scriptsrc= "Http://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js">Script>7 Script>8 $(function(){9 $('input[

Method 1: java is used as the server and native is used as the client.1. Create a java application and a Server class /** Copyright (C) 2009 The Android Open Source Project** Licensed under the Apache License, Version 2.0 (the "License ");* You may

We all know that. In Echo, you can concatenate strings with commas. and tested. Such a connection string is faster than using the dot number directly.Like what:Echo ' abc '. Def '; Concatenate strings with dot numbersEcho ' abc ', ' Def ';

1PHP2 /**3 * Return nearly 7 days, month, month data4 * Regardless of the day (display background data dedicated)5 */6 functionWeekmonthlastmonth ($search _date= ' Week ') {7 8 Switch($search _date)9 {Ten Case' Week '://nearly 7