We use BIRT for generating reports in our application. Currently we have a suite of report designs that covers various parts of the application. Reports are generated on demand by the user. The application required the functionality…

If you have been following the Google App Engine downtime notify group then you would realize that the datastore has been behaving erratically over the last 2 weeks. Though we had been thinking about exploiting Memcache for caching for a while now, but the…

Tracer Bullets, as the name implies helps you trace the trajectory and the position where they hit the target. They are just like the regular bullets except that they have a modified base to contain pyrotechnic charge. This composition burns brightly…

Performance Tuning is one of the stages of taking your application to production which you can seldom avoid. Irrespective of the fact whether you have taken all good performance practices into account, there is something or the…

As you would have read in our previous post, we used the Namespace API to make the SaaS application that we were working on multi-tenant in a matter of four hours.

After the first post on how to introduce Null Object, in this second post on how to write clean(er) code, let us look at one of the very frequent occurrence. At least something that I have seen quite often. You too would have…

We are porting an existing Wicket application on Google App Engine. This application uses Wicket, Spring and Hibernate. If you read will it play in app engine, you will notice that Wicket is semi compatible and…

One of the most frequently talked barriers for getting onto the cloud is the data lock-in. In this post we would try to look at how we can download data as a CSV from the app engine datastore. This would…