Singleton pattern should be the most known design pattern out there(maybe the most overused design pattern as well). The idea is to restrict the object creation to only one instance. The typical way of achieving this is to declare the Singleton class’s constructor as private and then provide a static method to do the object initiation. This method would create ...

You host your web application with a hosting provider. Your application log/access IP address of your users and you get 127.0.0.1 or some other private IP. Deja Vu? Most likely reason for the above scenario is your hosting provider is using a proxy and the proxy server sits in the same machine or in the same network. Under a such ...