Transferred from: http://www.jb51.net/linux/sudo.htm——————————————————————————————————Name: sudoUsage rights: Users who are present in the/etc/sudoersHow to use: sudo-vSudo-hSudo-lSudo-vSudo-kSudo-sSudo-hsudo [-b] [-P prompt] [-u username/#uid]-Ssudo commandDescription: Executes the instruction as a system administrator, that is, instructions executed via sudo appear to be executed by the root himself.Parameters:-V Show version number-H will show the
Many of the pages in the project are used pagination, and then each page has a lot of repeated pagination code, so they wrote a simple pagination instructions, simplifying the page code, and easy maintenance, write in the blog as a backup, convenient to consult later.Here are the steps to define instructions and their applications:
1. Directive definitiondefine a JS file, page-directive.js, used to write p
Installation Configuration Instructions
PHPMYADMIN3.4.0-BETA2 installation process is very simple, as long as the download and decompression Phpmyadmin-3.4.0-beta2-all-languages.zip installation package to the PHP run directory, my phpmyadmin3.4.0 installation access address for http://localhost/phpmyadmin340beta2/, that will jump out of the phpMyAdmin landing interface, Due to the default settings in the PHPMYADMIN3.4.0-BETA2 configuration file php
Article Description: Google Android UI design tips: Icons and instructions.
This series of articles, originally an Android UI design slide from the official Android developer blog, was translated into 5 translations by 51CTO translators in the hope of helping Android developers. This article is "Google Android UI design tips," Part fifth is the last section: icons and instructions.
This article
1. The BLX instruction jumps from the arm instruction set to the destination address specified in the instruction and switches the processor's working state from the arm state to the thumb state, which simultaneously saves the current contents of the PC to the register R14. Therefore, when the subroutine uses the thumb instruction set, and the caller uses the arm instruction set, the subroutine's call and the processor's working state can be toggled through the BLX instruction. At the same time,
When configuring PHP5 to use MySQL as a database, many people think that as long as the php.ini add the Extension=php_mysql.dll, the instructions can not understand why many articles are recommended to add Extension=php_mysqli.dll Instructions
Just look at the official latest PHP manual, which says:
The following is a built-in list of extension libraries:
The following modifications are available in PHP
Map Tools Series -01-map code generation tool Description Map Tool series -02-Data Migration Tool Usage Description Map Tool series -03-code generation BYSQL tool instructions for useOpen tool (please use IE)1. What problems to solveWhen we do not need to do the table design, the use of previous fields to do the function, the general step is to write the SQL first, to write the corresponding gridxml or editxml. This tool allows you to write SQL after
Instructions for using Android StudioArticle: http://download.csdn.net/detail/li396858359/5611743Android Studio. Google launched an Android app development software on the I/O conference on May 15, which is a great way to use it instead of Eclipse+adt. The following combination of my use understanding to introduce a simple use, through this description general application is can smooth transition to the use of Android studio developed. Description Pa
Weiapi2.2 HelpPage automatically generates interface instructions and interface test functions,
When developing a Webapi project, do you need to add corresponding function descriptions and test cases when writing a method? It provides a convenient way to describe the API documentation and test HelpPage more easily.
Her general principle is: The. dll assembly and. xml assembly description files will be generated during compilation, and the Controller n
certificate, AppID, in the AppID to open the push service, in the Open Push service option below to create a push certificate (server-side push certificate see below), Then in the PP file to bind all the certificate ID, add debugging real machine, etc.;The following procedures are described:1, the developer certificate production, first login to the developer center, find the Certificate configuration section, poke into the certificate, will show the following interface, click on the upper righ
(0 OutputThe first and only line of the output should contain the target minimal number. If there is no route from A to B, the line should contain the integer "-1".Sample Input3 2 12 2 32 3 12 1 2Sample Output0SourceCroatia OI 2002 Regional-juniorsOriginal title Link: http://poj.org/problem?id=1847Reference translation: http://blog.csdn.net/zhang20072844/article/details/7761273 Test instructions: The meaning of this topic is really difficult to under
General Invoicing Management System + Development Document + Use description net source code downloadInclude the following moduleBasic Data ModuleProcurement Management ModuleInventory Management ModuleBusiness Management ModuleBusiness Management ModuleMaintenance Management ModuleMember Management ModuleFinancial Management ModuleNET General Invoicing management System + Development Documentation + instructions for useNET General Invoicing managemen
API bar: Http://docs.angularjs.cn/api/ng/filter/orderBynow we're going to start with the main thing, and first we need to talk about instructions, no crap first on the code in the analysis Js:Angular.module (' MyApp '), []). Controller (' Myctrl ',function(){ varVM = This; //array of sort criteriaVm.orderlist = [{ "title": "Price", "Value": "Price" },{ "title": "Quantity",
1. ConfigurationNamenode Hdfs-site.xml is the Dfs.webhdfs.enabled property must be set to true, otherwise you will not be able to use Webhdfs liststatus, listfilestatus, etc. need to list files, The folder Status command, because this information is saved by Namenode.Add attributes to/etc/hadoop/conf/hdfs-site.xml in Namenode and one datanode:2. Instructions for useAccess Namenode HDFs using port 50070, Access Datanode Webhdfs using 50075 ports. Acces
Database Connection Pool Druid usage instructions, database connection druid
Replace it with the optimal database connection pool based on factors such as comprehensive performance, reliability, stability, scalability, and ease of use.
Druid: druid-1.0.29
Database Mysql.5.6.17
Replacement target: replace C3P0 with druid
Reason for replacement:
1. Performance hikariCP> druid> tomcat-jdbc> dbcp> c3p0. HikariCP's high performance benefits from avoiding l
PHP sends an email (PHPMailer details and usage instructions ). PHPMailer is also a powerful mail class PHPMailer main features: Support for mail smime-encrypted digital signatures support mail multiple TOs, CCs, BCCsandREPLY-TOs can work. PHPMailer is also a powerful mail class.
Main features of PHPMailer:
Supports mail s/mime-encrypted digital signatures
Supports email to multiple TOs, CCs, BCCs and REPLY-TOs
Can work on any server platform, so yo
Web-based management page. for users who have no experience in using vrouters, the product is generally provided with detailed instructions to help users fully understand the use and configuration of vrouters. You can easily complete the configuration by using the prompts in the setup wizard.
We need to learn about the relevant parameters from ISP network service providers. For static IP addresses, see the following parameters: static IP addresses, s
Summary of the project's network protocol configuration instructions is over. You can learn a lot through the project ~ In addition to coding algorithm skills, you can also learn to use the GNS3 simulator to build a network environment. The protocols used in the entire process are summarized as follows (for your future use, you can leave the audience to bypass ~~ Ps: Cisco device ): no ip domain-lookup [no DNS resolution] line console 0 [enable consol
Embedded --- common template functions (usage instructions and parameter resolution functions)Main Content: Embedded common template functions (usage instructions and parameter resolution functions)
/* Display the parameter list */void usage () {printf ("usage: server [-p: x] [-I: IP] [-o] \ n "); printf ("-p: x Port number to listen on \ n "); printf ("-I: str Interface to listen on \ n "); printf ("-o Do
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