Background Web applications are becoming smarter. Gone are the days when to avail a service from a website, user had to fill up a giant form. Let’s say, you have a website which is for book lovers. Before web 2.0, sites like these used to ask user all kind of questions in a form like age, books they read, types ...

BackGround Cache is an important concept to solve day to day software problems. Your application may perform CPU intensive operations, which you do not want to perform again and again, instead you derive the result once and cache it in memory. Sometimes the bottleneck is IO, like you do not want to hit the database repeatedly and would like to ...