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Transferred from: http://www.cnblogs.com/linjiqin/archive/2011/06/15/2081673.htmlAfter the system is logged in, it will set a time for the current session to expire, to ensure that the user does not interact with the server for a long time,

Many people who have done program performance optimizations, or who are concerned about the performance of process programs, should have used various caching techniques. And the cache I'm talking about today is specifically about the cache, and we

Basic questions1, the basic settings of memcached1) Start the server side of the Memcache#/usr/local/bin/memcached-d-M 10-u root-l 192.168.0.200-p 12000-c 256-p/tmp/memcached.pidThe-D option is to start a daemon,-M is the amount of memory allocated

Issue background:　　A very simple feature recently was to request a drop-down list of data from the server using the way Ajax was requested.have done this function before, but this time to do this feature comes up with an idea:The data I requested is

1. OverviewFlashback technology is part of the powerful backup mechanism of ORALCE, which provides fast and small-loss recovery when a logical error occurs in the database (most flashback functions can be done online in the database). It is

Oracle Flash-back technology , here are 4 kinds of flash back technology, the Oracle Flash-back technology to do a collation summary. Overview: The flash-back technology is part of Oracle's powerful database backup recovery mechanism, which

Overview:The flashback technology is part of Oracle's powerful database backup recovery mechanism, which provides fast and minimal recovery (most of the flashback functionality can be done in the database online state) When a logical error occurs in

I. Introduction of HBase HBase is an open source, non-relational, distributed database (NoSQL) that references Google's bigtable modeling and implements the Java programming language. It is part of the Apache Software Foundation's Hadoop

Yii is a high-performance PHP5 Web application Development framework. With a simple command-line tool, YIIC can quickly create a code framework for a Web application, and developers can add business logic based on the generated code framework to

The previous "Why Use NoSQL" and "relational database or NoSQL database" two articles generally explain why NoSQL is used, and when to use NoSQL. Often have friends encounter confusion, see the introduction of NoSQL, feel very good, but do not know