luhn check

#!/bin/sh## Load the configuration file first, if the profile does not exist, the error exits#Source= $HOME/config/configCheck_source (){If [-R $SOURCE]; Then. $SOURCEElseecho "$ (basename $): Cannot locate the default setting file."Exit 1Fi}## define Report Headers#Report_Header (){hostip=$ (ifconfig-a | sed-n ' 2p ' |awk ' {print $} ')hostname=$ (HOSTNAME)User= ' Who am I | Cut-d ""-f1 'catHostname: $HOSTNAME Server: $HOSTIPUser: $USER Time: $ (Date +%y '-'%m '-'%d '%H ': '%m ': '%s ')SYSTEM

This article mainly introduces PHP and Shell implementation to check whether SAMBA and NFSServer exist. This article provides PHP check scripts and Shell check scripts respectively. If you need them, refer This article mainly introduces PHP and Shell implementation to check whether SAMBA and NFS Server exist. This arti

Due to work needs, need to implement check box of radio and multi-select function, find a lot of information is not very full, after two days of digging and digging, finally finished O (∩_∩) o haha ~With the Checkedlistboxcontrol control in the dev control, of course, the check box combo control in VS should be implemented as follows, and you can try it (⊙o⊙).Code come O (∩_∩) o haha ~1 //first trigger th

needed to solve this problem, and the Pt-table-checksum tool in the Percona-toolkit toolset is an efficient tool that detects inconsistent master-slave data without compromising MySQL performance. When data inconsistency is actually generated, the Percona-tools toolset also provides the Pt-table-sync tool to repair inconsistent data, which eliminates the hassle of redeploying from the server.However, in the real production environment, these two tools still have some limitations, it should be t

You have now defined the name, service agreement, and service port number of a SLB instance. The next step is to configure the health check and session retention. The entire load-balancing service will run automatically according to your configuration and perform a health check on the cloud server as a load-balanced service. If a cloud server fails, it automatically removes the cloud server from your load-b

Periodic analysis Table ANALYZE [Local | No_write_to_binlog] TABLE tbl_name [, Tbl_name] Use this statement to parse and store the keyword distribution for a table. During profiling, a table is locked with a read lock. This is useful for MyISAM, BDB and InnoDB tables. For MyISAM tables, this statement is equivalent to the use of myisamchk-a. MySQL uses the stored keyword distribution to determine the order in which the tables are federated when you perform a union on objects other than consta

Periodic analysis TableANALYZE [LOCAL | No_write_to_binlog] TABLE tbl_name [, Tbl_name]This statement is used to analyze and store the keyword distribution of a table. During parsing, the table is locked with a read lock. This is useful for MyISAM, BDB, and InnoDB tables. For MyISAM tables, this statement is equivalent to using MYISAMCHK-A.MySQL uses the stored keyword distribution to determine the order in which tables are federated when you perform a union on objects other than constants.mysql

Example code of the checkbox check box implemented by javascript, including javascriptcheckbox This article introduces how to use javascript to implement the checkbox check box instance code and beautify the checkbox check box. The details are as follows: 1. Check the checkbox chec