IntelliJ Idea vs Eclipse keyboard shortcuts
Here there is the keyboard shortcuts table where you can find the equivalent combination between the two IDEs most used in Java development.
Sketching with Pencil
Evolus Pencil is an open source software for prototyping and sketching and is what I use as a free alternative to all the web based existing applications to do the designs and wireframes. It has many bundled stencils collections to use based on Android,iOS and many web frameworks components ...