The How To programs demonstrate language features and techniques organized by topic and set in a specific, useful order. The programs don't actually accomplish much when run. Instead, their value is in their source code and the explanatory comments within. To learn Cobra syntax and features, you should read each of these programs in order.
In contrast to these How To programs, the Sample Programs do something useful or interesting. Consequently, they use whatever Cobra features they need to in order to accomplish their goals. You will find them interesting as well.
Click a program name on the left to view its source code.