Another of the SOLID principles - this time a more subtle take on inheritance, emphasizing the core behaviours expected by the relationship.

A quick tour of the Play Framework, providing just enough background to be able to make sense of Pacemaker 2.0 and its implementation.

The final pacemaker lab is based in semantich HTML elements + the semntic UI CSS library. Here the salient features of both are reviewed.

THe final lab incorporates a UI based on the server side templating library built into Play + its core controler/model infrastructure.