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Difference between String/String Buffer/String Builder

String

Immutable Object

It contains non-synchronized methods

String Buffer

Mutable Object

It contains synchronized methods

String Builder(from 1.5)

Mutable Object

It contains non-synchronized methods

PHP Ldap Integration

Ldap is a Lightweight Directory Access Protocol Through which we can access the Active Directory of a windows server .

First you need to enable the php_ldap,dll extension in php.ini file then you can start accessing the Active Directory data From a server ..

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Zend Framework vhost settings

Zend Framework vhost settings for xampp server or lampp server

Add the below code in  httpd-vhosts.conf in \xampp\apache\conf\extra  and modify the paths

<VirtualHost *:8081>
 php_value include_path ".;C:\xampp\htdocs\public;C:\xampp\htdocs\PhpProject2\library"
 DocumentRoot "C:\xampp\htdocs\PhpProject2\public"
 <Directory "C:\xampp\htdocs\PhpProject2">
 AllowOverride All
 Order allow,deny
 Allow from all
 </Directory>
</VirtualHost>

and then add Listen 8081 in httpd.conf file located at xampp\apache\conf

and restart your xampp server ..

Hello World program in Struts 2.0