In this tutorial we are going to implement a simple group chat service from scratch. While not very useful by itself it has great potential to teach you a bit about the inner workings of XMPP and ...

Spring is perhaps the best of the component-based frameworks that emerged at the turn of the 21st century. It vastly improves the way that developers write and deliver infrastructure code in ...

One of the key strengths of JavaServer Faces (JSF) is that not only does it provide substantial technology for easy, out of the box component based J2EE Web applications assembly, but it also is a ...

We propose to design and implement a similar solution to what is available in other SDK’s, making use of fields in the telemetry data model and HTTP headers to propagate correlation ID’s among the ...

Object-oriented systems are usually partitioned into layers of related responsibilities and only dependencies in one direction are allowed, from higher layers (more specific, less reusable) to lower ...