Video Tutorials
A 10 minute video on .NET Collections and LINQ
A 7 minute video on Java Lambda expressions, blocks of code whose execution can be deferred, simplifying concurrent programming.
A 20 minute video on Test Driven Development, including interactions testing and integration testing.
A 20 minute video on Distributed Revision Control, using Git
Also available on thechannel

Coded examples
Lambda expressions in Java
JavaFX, now included in the Java Runtime Environment, supersedes Swing as the recommended user interface toolkit for creating desktop applications.
Capturing a signature in an Android app, enabling the signature to be uploaded to a server within a JSON message