qlikview introduction

follows: IAuthorizationFilter -> IActionFilter -> IResultFilter -> IExceptionFilter .For the same filter, for example,IAuthorizationFilter在MyFilter1和MyFilter2里里面的实现，又根据他们的加载顺序不同而不同。在BaseController中应用的Filter会被子类继承，如果子类又应用了和基类同样的Filter，则会不执行基类的Filter。例如上面的HomeController应用了MyFilter2，所以调用HomeController的MyFilter2，而不是BaseController的MyFilter2。这个执行顺序还得大家好好研究才能了解的。同时FilterAttribute还提供了一个Order的属性，用于指定Filter的执行顺序。Each action filter has an order property that determines the order in which the action filter

successful upgrade, execute yum install nginx;Last start service Systemctl start NginxChange the default Web page on linux-02Also modify the default page on linux-04This is the time to do the test.In the linux-01 inputCurl 192.168.142.147, test can see uneven distributionChange the configuration file to test againvim/usr/local/sbin/lvs_nat.sh$IPVSADM-A-T 192.168.142.147:80-s wlc-p 3 change to $ipvsadm-a-T 192.168.142.147:80-s RRRe-test, you can see the distribution is very balanced, test succes

Introduction to ECC Encryption algorithm introduction Objective As with RSA (Ron Rivest,adi Shamir,len Adleman three-bit genius), ECC (elliptic Curves cryptography, elliptic-curve cryptography) also belongs to the public key algorithm. At present, there is not much public literature on ECC in detail in China (I haven't found it anyway). There are some briefs, but also generalities, after reading still canno

This article illustrates the XML basic introduction and XML tag elements of the Introduction to PHP operations XML. Share to everyone for your reference. The specific analysis is as follows: Explained in XML instance: Copy Code code as follows: First, the XML declaration: (1), the XML declaration to be placed in the first line of the document;(2), Encoding: Document character encoding,

actual work in some of the learning and practice records, may be some wrong or imperfect place, welcome children shoes: WebUI Automated Testing Framework (i): Webdriver Introduction and demo Introduction WebUI Automated Testing Framework (II): Code layering-Base layer WebUI Automated Testing Framework (III): Code layering-Object library layer WebUI Automated test Framework (IV): Code layering-operation lay

cp：是否覆盖"/etc/my.cnf"？ yVim for editing, edit content as follows Start the script file and modify its properties [[emailprotected] mysql]# ls support-files/ #查看这个目录下都有哪些文件 binary-configure magic my-default.cnf mysqld_multi.server mysql-log-rotate mysql.server [[emailprotected] mysql]# cp support-files/mysql.server /etc/init.d/mysqld #把mysql.server拷贝到/etc/init.d/mysqld下面去Permission Change 755 [[emailprotected] mysql]# ls -l /etc/init.d/mysqld -rwxr

by nativeSYSTEMD configuration.If you want to list SYSTEMD services use ' Systemctl list-unit-files '.To see services enabled on particular target use' Systemctl list-dependencies [target] '.Mysqld 0:off1:off2:on3:on4:on5:on 6:off13. Start[[email protected] mysql]#/etc/init.d/mysqld start14, [[email protected] mysql]# netstat-nutlp| grep mysqldTCP6 0 0::: 3306:::* LISTEN 18112/mysqld14. Error message:[Email protected] ~]# Killall-bash:killall:command not foundFIX: [[email protected] ~]# Yum in

Tags: Nine week fourth session (February 26)11.1 Lamp Architecture Introduction11.2 MySQL, Mariadb Introduction11.3/11.4/11.5 MySQL InstallationAt the time of initialization encountered an error, need to install Perl Demper package, but do not know the installation of that one, first try to find out these packages, if you do not know the specific is the one, you can put 4 are installed, here need to install the first one. Run initialization after the installation is complete.Prompt again error,

] ParametersPID =/usr/local/php-fpm/var/run/php-fpm.pidError_log =/usr/local/php-fpm/var/log/php-fpm.log[www] Module nameListen =/tmp/php-fcgi.sock Listener Address#listen = 127.0.0.1:9000Listen.mode = 666 The statement takes effect when the socket is being monitoreduser = PHP-FPMGroup = PHP-FPMPM = dynamicPm.max_children = 50Pm.start_servers = 20Pm.min_spare_servers = 5Pm.max_spare_servers = 35Pm.max_requests = 500Rlimit_files = 1024[Email protected] etc]# cd/usr/local/src/phpphp-5.6.30/php-7.1

. This is where the creation of tables and the initial population of the tables should happen. Parameters db the database. Open Declaration Android.database.sqlite.SQLiteDatabase In Android, your SQL once written incorrectly will bring a series of problems, because it is not very clear that the error reported. So you can put SQL before you try it in MySQL. Once SQL is written incorrectly, it is not easy to find it in the Android code. The SQLite database general ID is prefaced with _id

UnitService System ServicesTarget multiple units consisting of groupsDevice hardware devicesMount File System mount pointAutoMount Automatic mount pointPath file or pathSCOP is not an external process initiated by SYSTEMDSlice Process GroupSnapshot Systemd SnapshotSocket inter-process communication socketsSwap fileTimer TimerUnit-related instructionsSystemctl List-units lists the running unitSystemctl list-units--all list all, including failed or inactiveSystemctl list-units--all--state=inactiv

]# systemctl list-unit-files--type=target list all target in the system[Email protected] system]# Systemctl Get-defaultMulti-user.target[Email protected] system]# Cat/usr/lib/systemd/system/sshd.service[Unit]Description=openssh Server DaemonAfter=network.target Sshd-keygen.serviceWants=sshd-keygen.service[Service]Environmentfile=/etc/sysconfig/sshdExecstart=/usr/sbin/sshd-d $OPTIONSExecreload=/bin/kill-hup $MAINPIDKillmode=processRestart=on-failureRestartsec=42s[Install]Wantedby=multi-user.targe

}vrrp_instance VI_1 { state BACKUP //定义backup interface ens33 //定义网卡 virtual_router_id 51 //和master一样的id priority 90 //定义优先级，要比master的小，越小越不优先 advert_int 1 authentication { auth_type PASS auth_pass testlinux123 } virtual_ipaddress { 192.168.188.188 } track_script {

This paragraph is the code in the HTML1 DOCTYPE HTML>2 HTMLLang= "en">3 Head>4 MetaCharSet= "UTF-8">5 title>CSS header references and external references which have a high prioritytitle>6 Linkrel= "stylesheet"href= "test. css">7 styletype= "Text/css">8 . One{9 Color:Red;Ten font-size:30px; One } A style> - Head> - Body> the Div> - Pclass= "One">With the introduction of the head and the external

Operating system introduction and spiritual Analysis Introduction Address of this article: http://www.cnblogs.com/archimedes/p/os-introduction.html.1. Why learning the operating system? Master System Design in general The operating system includes all software design/implementation issues, resource sharing/management, security and identity verification, flexibility, robustness, and user-friendly interface d

Introduction to alternative syntax in PHP and introduction to alternative syntax in PHP. Introduction to alternative syntax in PHP. Introduction to alternative syntax in PHP today I checked the wordpress code, which contains some rare Alternative php syntax. the copied code is as follows:

Tags: database system Image properties have an update to each other enter normalization mustIntroduction to the database System--Chapter I. INTRODUCTION Written in front: Winter holiday, except relatives and classmates dinner, King Glory and other games on the game to spend a little time, self-thought to take a little time to learn the database and Android, to the next semester and build a project to lay a lost foundation. In order to s

Introduction and use of AutoMapper (1), automapper IntroductionSoftware Environment Vs2015 Asp.net mvc 5 . NET Framework 4.5.2 AutoMapper 5.2.0.0 AutoMapper Installation Create an asp.net mvc project AutoMapperExample. Here we should use vs to create an mvc project. , Click Tools → NuGetB Package Manager → manage the NuGet package of the solution. On the displayed page, select Browse, enter autoMapper, and press enter to search. In the searched

Introduction to the java ssh framework and the mongosh framework SSH is an integrated framework of struts + spring + hibernate. It is a popular open-source JAVA Web application framework. Struts Struts is an MVC framework based on the Sun J2EE platform. It is mainly implemented using Servlet and JSP technologies. Because Struts can fully meet the needs of application development, it is easy to use and agile, and has received a lot of attention in the

Introduction to Objective C ++ and objective IntroductionP0: reading guide 1: The constructor declares "explict", which can disable the compiler from executing unexpected type conversions (blocking implicit conversions, but Explicit conversions ). 2: The copy constructor is used to "initialize the self-object with the same type of object" The copy value assignment operator is used to "copy the value of another object of the same type to the self-objec