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achieve higher execution efficiency, enhance 3d graphics and sound effects, and provide designers with a common hardware-driven standard that allows game developers to write different drivers for each brand of hardware. It also reduces the complexity of user installation and hardware setup.2) The difference between OpenGL and DirectX:1.OpenGL is just a library of graphics functions, DirectX contains graphics, sound, input, network and other modules.2

Server Will tell us how much work has been done to retrieve the requested information. We will find " contact style= font-family " helen Meyer IF EXISTS (SELECT * from Sys.indexeswhere object_id = object_id (' person.contact ')and name = ' FullName ') DROP INDEX Person.Contact.FullName;Listing 1.1-ensuring The index does not existOur task would require four SQL command batches.The first command batch:SET STATISTICS io onSET STATISTICS Time Ong

include things. log files, MySQL, and other database files, Web server data files, email inboxes, and much MO Re.1. All the red directories and their subdirectories cannot is created as a separate filesystem and mounted at Star Tup time. This is because they (specifically, their contents) must being present at boot time on order for the system to boot properly.2, The/media and/mnt directories is part of th

Libevent official website : http://libevent.org/online Documentation: http://www.wangafu.net/~nickm/libevent-2.0/doxygen/html/: https://github.com/libevent/libevent/releases/Unzip, compile, installCreate folder [emailprotected]:~$mkdirlibevent[emailprotected]:~$cdlibevent/Unzip file: [ emailprotected]:~/libevent$tarxflibevent-2.0.22-stable.tar.gz[email protected]:~/libevent$cdlibevent-2.0.22-stable/compilation Environment check: [emailprotected]:~/li

Http://kodango.com/useful-documents-about-shell$$ the shell itself PID (ProcessID)$! PID of the Shell's last running background process$? The return value of the last command that was run to check whether the previous command executed successfully.$* all parameter lists, as a whole.[email protected] all parameter lists. Alone as a whole.$# the number of arguments added to the shell.The file name of the Shell itself."Shell Learning Notes" $#,[

, exit Screenctrl + a,n #当在一个screen时, switch to the next window Ctrl + A,c # When in a screen, create a new window SCP command SCP local_file [Email protected]_ip:remote_dir #拷贝本地文件到远程机器上scp-R local_dir [email protected]_ip:remote_dir #拷贝本地整个目录到远程机器上 Package Installation Management Commands Assuming that the package you want to install is called an a

Jenkins is listening on. # Set To-1 To disable # jenkins_port= "8080" * * * * type:string "# # # ServiceresTart:jenkins # #/IP Address Jenkins listens on for HTTP requests.All interfaces (0.0.0.0). # jenkins_listen_address= "".Modify the service script for Jenkins[[Emailprotected]~]#vim/etc/init.d/jenkins.64#searchusable Javaas/usr/bin/javamightnotpointtominimalversion requiredbyjenkins.65#seehttp://www.nabble.com/ guinea-pigs-wanted-----hudson-rpm-f

Benefits of the thread pool1. Threads are scarce resources, and using a thread pool can reduce the number of times a thread is created and destroyed, and each worker thread can be reused.2, according to the system's ability to withstand, adjust the number of worker threads in the thread pool, to prevent the server crashes because of excessive memory consumption.Creation of the thread poolpublicThreadPoolExecutor( intcorePoolSize, intmaximumPoolSize, longkeepAliveTime, TimeUnit unit, BlockingQueu

Chapter 1-3Auto-Completing$ with environment variable ~ followed by username @ followed by host name man command-f XXX can show all the XXX documents, such as some C is some sh. Similar Whatis[Email protected] ~]# man-f mkdirmkdir (1)-Make directoriesmkdir (1p)-Make directoriesmkdir (2)-Create a directorymkdir (3p)-Make a directoryThen you can use the man 3p mkdi

following steps: Re-get Report data Process data based on report directives and report definitions To display a report in a specific format Reporting Services also performs other tasks to support report processing, such as managing and processing subscriptions, managing and processing snapshots and cache requests, and service report management requests. There are three main parts of the work in Reporting services: Users can access published reports online and interactively Subscriptions and tra

,0rowsaffected (0.11sec) [[emailprotected]tools]# mysqladmin-uroot-p123456shutdown gracefully closes the database 16080213:01:47mysqld_ Safemysqldfrompidfile/application/mysql/data/centos02.pidended [1]+ Done /application/mysql/bin/mysqld_safe--skip-grant-tables--user=mysql [[Email protected]tools]# [[Emailprotected]tools]#/etc/init.d/mysqldstart Startingmysql. [ok] [[emailprotected]tools]# mysql-uroot-p

Part I: Theoretical basis of twistedauthor :[email protected]http://krondo.com/?p=1209 Translator : Yang Xiaowei ( with free translation )Preface :someone has recentlyTwisteda list of messages such as "provide a copy of the task emergencyTwistedThe requirements of the introduction ". It's worth revealing that this sequence is not what they wanted..especially the introductionTwistedframework and based onPython asynchronous programming, it may not be

PackageCom.xm.controller;2 3 Importjava.util.List;4 5 ImportJavax.validation.Valid;6 7 ImportOrg.springframework.validation.BindingResult;8 ImportOrg.springframework.validation.FieldError;9 Importorg.springframework.web.bind.annotation.PostMapping;Ten Importorg.springframework.web.bind.annotation.RequestMapping; One ImportOrg.springframework.web.bind.annotation.RestController; A - ImportCom.xm.pojo.User; - the @RestController - Public classUsercontroller { - -@RequestMapping ("/hello")

customizable, commercial support.6.shell: It is a software, is a command interpreter;It provides an interface for interaction between the user and the kernel outside of the Linux kernel;The command entered by the user is interpreted by the shell to the kernel, and the shell receives the output of the system response and displays it to the screen.Bash is a shell, and the system default shell that is currently used is bash.650) this.width=650; "Src=" https://s3.51cto.com/wyfs02/M02/9C/28/wKioL1ls

have higher bandwidth limitations compared to smaller virtual machines. When using premium disks, make sure that the virtual machine is large enough to handle the total disk bandwidth.650) this.width=650; "Src=" http://images2015.cnblogs.com/blog/845013/201611/845013-20161109094219374-477858781. PNG "style=" border:0px; "/>PrecautionsIn this article, for example CentOS 6.7, using DS14 as a test virtual machine to use premium storage on CentOS as a database server, there are several items to not

Access to | data-Actual. Net Data Access Layer L Special Note The actual combat is divided into 23 paragraphs, not the author intends to do so, is subject to the CSDN published article 64K Limited. Although there are a few segments that do not reach 64K at all, it is estimated that HTML source exceeds this fan Wai, so also have to separate subparagraph (mostly source code), please understand. If a friend needs a complete document, please email

(please remember to run cmd as Administrator)Start MySQL service: net start MySQL(or right-click on the service->mysql, right-click Computer)5. Modify the MySQL user accountIn this case, you should be able to connect to MySQL via command line at CMD.After MySQL is installed by default, the root user and an anonymous user are generated, it is recommended to change the root account password and delete the anonymous user, the following actions:　 Use test; Select Host,userfromuser;(

MySQL service and start Execute mysqld–install MySQL in the bin folder of MySQL (please remember to execute cmd as Administrator) Start MySQL service: net start MySQL(or right-click on the service->mysql, right-click Computer) 5. Change the MySQL user account At this point, you should be able to connect to MySQL via command line under CMD. After MySQL is installed by default, the root user and an anonymous user are generated, it is recommended to change the root account password and delete the

Internet:Server-side: Be sure to start the listenerNo Configuration Boot listener: rm-f $ORACLE _home/network/admin/listener.oraView listening status: Lsnrctl statusStart monitoring: Lsnrctl startClient: Using service naming (network connection string)Cat/etc/hosts------------------------------------------------------------# don't remove the following line, or various programs# that require network functionality would fail.127.0.0.1 localhost.localdomain localhost::

Linux Rhel 6.4 Compile and install Apache process (1)Note: The following extracts are the commands executed during the installation process, and command feedback is not posted to replace with "...". Watch as you look at the directory where the command is executed.Installation Platform[Email protected] ~]# cat/etc/redhat-releaseRed Hat Enterprise Linux Server release 6.4 (Santiago)Required version of the too