Nowadays, Quick Response (QR) Codes are becoming more and more useful as they have gone mainstream, thanks to the smart phones. Right from the bus shelter, product packaging, home improvement store, automobile, a lot of internet websites are integrating QR Codes on their pages to let people quickly reach them. With increase in number of users of smart phones day by day, the QR codes ...
Listener is one of the most popular technologies used in the J2EE web application. It is part of the Java Servlet as defined in Servlet 2.3 but they have their own specific functionalities. There are two most widely used Servlet Listener i.e. ServletContextListener and HttpSessionListener.Let us create a Servlet Listener that just counts the number of running http sessions and prints the details whenever a ...
Working behind a proxy and writing network related code has always been boring for me. Just because everytime I had to connect to Internet and get some data, I had to use Proxy settings. Whatever I used had a proxy configuration.HTTP Proxy are configured mostly in corporate environments to manage internet usage. Hence if you are ...
