A network application must respond quickly to network requests, typically less than 1s, preferably dozens of microseconds, to provide a smooth experience for users sitting in front of the browser. This will not give the application too much time to
Quartz is the point of the Open Source task scheduling framework and provides a powerful task scheduling mechanism. Typical enterprise application scheduling, such as the forum: every half an hour to generate the essence of the article rss, every
Quartz. net Is an open-source job scheduling framework, which is Opensymphony Of Quartz API Of . Net Port, it uses C # Can be used Winform And Asp.net Application. It provides great flexibility without sacrificing simplicity. You can use
Crontab is UNIX and Linux used to set the periodic execution of instructions, is the Internet is very common technology, a lot of tasks will be set in the crontab loop execution, if not use crontab, then the task is a resident program, which is
FTP configuration (vsftpd ):
Method 1: ftp runs as an independent process.
1. Install vsftpd (not installed by default ).
2. Modify/etc/vsftpd. conf and setListen = YesThat is, enable ftp to run in standalone mode.
3. Run chkconfig vsftpd off
For details about how to use crontab in Ubuntu, ubuntucrontab
If a php script needs to be run at a specified time, such as regular website data statistics, automatic Database Backup tasks, and timed email sending.
If we do not use Cron to execute
Usage of crontab in Ubuntu
If a php script needs to be run at a specified time, such as regular website data statistics, automatic Database Backup tasks, and timed email sending.
If we do not use Cron to execute php scripts, we may use the php
Linux provides a very powerful and useful command [crontab]Crontab is used by UNIX and Linux to set up periodic instructions, is a very common Internet technology, many tasks will be set in the crontab loop execution,If I want Linux timed to execute
This station a server originally is the Windows system, uses the Isapi_rewrite to carry on the URL rewriting, has one rule is
Rewriterule ^/(. { 6}) (\d{3}) (. +)/php/http://www.xxx.com/qq$2.apk [Nc,l,nu]
In the middle of the use of {6} refers to
Syntax rules: location [=|~|~*|^~]/uri/{...}
= The beginning indicates an exact match
The beginning of the ^~ indicates that the URI begins with a regular string and is understood to match the URL path. Nginx does not encode the URL, so the request
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