Jetbrains IntelliJ Idea Java IDE - Shortcuts /Tips

IntelliJ how to zoom in / out
Alt Key + Mouse Scroll is the New Text Zoom In/Out in NetBeans
https://stackoverflow.com/questions/17385916/intellij-how-to-zoom-in-out/17387262#17387262

Try Ctrl+Mouse Wheel which can be enabled under File > Settings... > Editor > General : Change font size (Zoom) with Ctrl+Mouse Wheel

Auto-Save Feature in Jetbrains IDE
JetBrains-branded IDEs automatically save everything the moment you look away

https://stackoverflow.com/questions/28949290/turning-off-intellij-auto-save/28950477#28950477

http://thehunk.blogspot.com/2015/07/disable-auto-save-in-jetbrains-ide.html

How to merge Multiple Maven Projects Back into 1 Single Workspace/Window

https://stackoverflow.com/questions/8774024/intellij-working-on-multiple-projects/14637761#14637761

Whitelabel Error Page 

It means Error about not being able to find Error Page.  😋