imovie lessons

shell to customize a variety of personalized alarm tools, but the need for unified management, standardized management.• Idea: Specify a script package that contains the main program, subroutine, configuration file, mail engine, output log, and so on.• Main program: as an entry for the entire script, it is the lifeblood of the entire system.• Configuration file: is a control center that uses it to switch individual subroutines, specifying each associated log file.• Subroutines: This is the real

, only count and index2, Tup1.count (Element) and Tup1.index (element), these two and list almost I don't have to say, give an example everyone to see just fine3, the list and the meta-Group of the mutual conversion, in fact, this also has nothing to say, but after the estimate will also be used, so it is said to everyone! Continue to see examples:See, is not very simple, just use list and tuple can4, finally to everyone to explain the next section, this is still relatively good, we look at the

table: Describes the key columns that have constraints.Routines Table: Provides information about storing subroutines (stored programs and functions). At this point, the routines table does not contain a custom function (UDF). A column named "Mysql.proc name" indicates the corresponding INFORMATION_SCHEMA. The Mysql.proc table column for the routines table.Views Table: Gives information about the view in the database. You need to have show views permission, otherwise you cannot view the view in

([parameter list])//CallParameters of the functionFormal parameters and actual parameters-When defining a function, the name of the variable in parentheses after the function name is called a "formal parameter," or "formal argument"-When calling a function, the name of the variable in parentheses after the function name is called "actual parameter", or "argument"Default parameter (default parameter)def fun (x, y=100):Print x, yFun ($)Fun (1)Variables of the functionLocal variables and global va

a script [[emailprotected] php-fpm.d]# vim /data/wwwroot/test.com/sleep.php 编辑个脚本写入下边的代码Open_basedir Editing a configuration file [[emailprotected] php-fpm.d]# vim /usr/local/php-fpm/etc/php-fpm.d/www.conf ##加入以下配置php_admin_value[open_basedir]=/data/wwwroot/test.com:/tmp/ Start Test Viewing the error log To define the PHP-FPM error log.[[emailprotected] php-fpm.d]# vim /usr/local/php-fpm/etc/php.ini 12.24 PHP-FPM Process

Python Basic Tutorials 60 lessons-18th class bool type conversion "Python 18th class" bool type conversion A few last words left yesterday about the conversion of type bool, which has one row: BOOL (' False ') Print the result and you will find that it is true. What is the reason. First, because in Python, the following values are considered false: The second and 0 figures, including 0,0.0 Third, empty string, including ', ' ' The none that repres

"The lesson of time"--what is the lesson of time? The lesson of time , that is, whether this thing is difficult or easy, originally in a certain period of time, or even less than this certain time can be completed, and you have to use twice times or even three times times to complete, what is not finished at all, but finally resolved, you find, Just because you think a little less, only need to think a little bit more, even if you look a little more forward, you can solve the small function, or

Yesterday to Anhui Susong a customer there to maintain the experience and lessons The client's database server would have been good, and I was able to demonstrate to others how to install Oracle clients, install Oracle clients on the server, and halfway through the installation I suddenly felt I had found a great error: Oracle server could no longer install Oracle clients, I quit but it's too late: fee management system can not connect to the databas

:::22 :::* listen922/sshdtcp6 00::1:25 :::* listen1031/mastertcp60 0:::3306 :::* listen1667/mysqld If the template/etc/my.cnf is not configured, use the command line method:[[Emailprotected]mysql]#servicemysqldstopshuttingdownmysql]. success! [[Emailprotected]mysql]#/usr/local/mysql/bin/mysqld_safe--defaults-file=/etc/my.cnf --user=mysql--datadir=/data/mysql[1]1848[[emailprotected]mysql]# 18013122:45:06mysqld_safeLoggingto '/data/mysql/localhost.localdomain.err '. 18013122:45:06mysqld_safest

the where clause having . You can use exist and not exist instead of In and not. You can use table links instead of exist. Having can be replaced by where , if not replaced, can be handled in two steps. Example SELECT * from ORDERS WHERE customer_name not in (SELECT customer_name from CUSTOMER) Optimized SELECT * from ORDERS WHERE customer_name not exist (SELECT customer_name from CUSTOMER) 7.2 do not declare numbers in character format, you want to declare character values in numeri

database version select version ();• View database status show status;(data not all shown)• View each parameter show variables; Show variables like ' max_connect% ';Show variables;(Too many parameters)• Modify parameter set global max_connect_errors=1000;If you want to permanently take effect, you need to exit to SHELL,VIM/ETC/MY.CNF, define max_connect_errors=1000;• View queue show processlist; Show full processlist;If there are errors, please correct, learn from each other and progress togeth

rows affected (0.01 sec)• Completely delete the database:Drop database db1;mysql> drop Database db1; Query OK, 1 row affected (0.01 sec) 13.6 MySQL Database backup recovery• Backup library:Mysqldump-u User name-p password Database > backup data file path[Email protected] ~]# mysqldump-uroot-p123456 mysql >/tmp/mysql.sql(Too much data is not listed)• Recovery library:Mysql-u User name-p password Database [Email protected] ~]# mysql-uroot-p123456 MYSQL2 • Backup table:Mysqldump-u Use

the WHERE clause is used in the inch , not in , or or having . can use exist and the Not exist Replace inch and the not in . You can use table links instead exist . Having can be replaced by where , if not replaced, can be handled in two steps. ExampleSELECT * from ORDERS WHERE customer_name not in(SELECT customer_name from CUSTOMER)Optimized SELECT * from ORDERS WHERE customer_name not exist(SELECT customer_name from CUSTOMER)7.2 do not declare numbers in character format, you want to dec

10.28 Rsync Tools IntroductionThe file Synchronization tool rsync, can achieve incremental copy, CP is direct coverage, low efficiency;Install rsync, #yum-y install rsync;Rsync Common methods,Copy the passwd file to the/tmp directory, rename it to 1.txt, and the command to #rsync-av/etc/passwd/tmp/1.txt-V visualization;Remote copy, command for #rsync-av/etc/passwd [email protected]:/tmp/1.txt; then enter the password;10.29/10.30 rsync Common Options10.31 rsync sync via ssh-e Specifies the port,

14 weeks four sessions (May 14)16.1 Tomcat Introduction16.2 Installing the JDK16.3 Installing Tomcat16.1 Tomcat Introduction16.2 Installing the JDKOpen the download URL.Click jdk=8u144-linux-x64.tar.gz, downloadUpload to LinuxCtrl+f Open XftpPut the downloaded file in the root directoryXftp is an SSH-based port that does not require FTP to be opened.CopyAt the bottom, pasteCheck to see if the installation is successful, the following results appear, stating that there is no problem, the command

();-------------------------------------------------------------------curl-x127.0.0.1:80 test.com/upload/3.php //Can not parse, directly to the source code (written content) display/usr/local/nginx/sbin/nginx-t/usr/local/nginx/sbin/nginx-s Reloadcurl-x127.0.0.1:80 test.com/upload/3.php //Normal parsingTail/usr/local/nginx/logs/error.log//View error log12.16 Nginx AgentCd/usr/local/nginx/conf/vhostVim proxy.conf//Add the following:-----------------------------------------------------------------

Tags: Linux notes12 weeks three sessions (April 25)12.10 Nginx Access Log12.11 Nginx Log Cutting12.12 static files do not log logs and expire time12.10 Nginx Access LogThe format of the configuration file is in the main configuration file.Search for log to find the following paragraph, which is used to define the format.Public network IP, in Baidu, search IP, view.Defining Access Log pathsOpen FileUnder}, add a row to read as follows:12.11 Nginx Log CuttingEdit FileAdd the following contentProce

= ' date-d '-1 day +%y%m%d '//similar to 20180427, yesterday's date, today 28thLogdir= "/data/logs"Nginx_pid= "/usr/local/nginx/logs/nginx.pid"CD $logdirFor log in ' ls *.log 'DoMV $log $log-$dDone/bin/kill-hup ' Cat $nginx _pid '--------------------------------------------------------------------------------------Add Task Schedule #crontab-e//write the following:0 0 * * */bin/bash/usr/local/sbin/nginx_logrotate.sh//Daily 0 o'clock in the morning execution12.12 static files do not log logs and e

Tags: LinuxSeven weeks Five sessions (March 23)10.19 iptables Regular backup and recovery10.20 Firewalld 9 Zone10.21 Firewalld About zone operation10.22 Firewalld about service operations10.19 iptables Regular backup and recoveryBackup, command as followsIptables rules can be backed up to other files, and the file name can be taken by itself.Only the rules for NAT.There are no rules in this tableBack up the rules just nowIf you want to restart, load, you need to put in the configuration file, to

the data has been mistakenly deleted, the first thing to do is to unload the partition of the deleted data, if the data of the root partition is mistakenly deleted, you need to enter the system into single user mode, and the root partition is mounted in read-only mode. Since the file is deleted, only the sector pointer in the Inode node of the file is zeroed out, the actual file is also stored on disk, and if the disk continues to mount in read-write mode, the data blocks of these deleted file