At the risk of answering incorrectly on the OP's behalf, I would say they primarily covered the latter (Ruby + RoR). The timeframe involved is insufficient for

At the risk of answering incorrectly on the OP's behalf, I would say they primarily covered the latter (Ruby + RoR). The timeframe involved is insufficient for a meaningful overview of software engineering. However, I would also posit that what they covered is enough to get them in the door. The rest can (and, for those passionate and determined) will follow.