1. Keyboard shortcut for code completion in Eclipse on Mac OS X :http://stefaanlippens.net/code_completion_shortcut_eclipse_osx

http://stackoverflow.com/questions/4764623/what-is-the-keyboard-shortcut-for-method-suggestions-in-eclipse-on-mac-os-x

   Eclipse Preference->General->Keys->Content Assist
- Use ctrl+F11 to roate the Android Emulator http://stackoverflow.com/questions/2618967/switching-to-landscape-mode-in-android-emulator