What is singleton ..? It is a Design pattern. At this time what is Design pattern ..? To find out the best way to do a thing apart from the various method. Documenting a solution for the common problems. The Rule for the Singleton are: restrict...
How to add www to your domain name Before going to the htaccess . You need to answer my question, The question is Do you think arulraj.net and www.arulraj.net both are different domain name or same ..? ya. we (humans) know both are points the...
The user authentication is the common task when we create a web application.The servlet have j_security_check authentication method.This is commonly called as form based authentication. Here the steps for this authentication. This is in your...