Few amazing unity tips / tricks

I see this post and reddit, and I'll keep and copy here, so I can update myself with my own tips! 

Original Post:

http://tequibo.com/unity3d-tips/

Showing private variables in inspector.

Showing private variables in inspector.

Adding multiple prefabs in component’s list in the editor. Note: will not maintain order of items

Adding multiple prefabs in component’s list in the editor. Note: will not maintain order of items

Removing empty entry from an array

Removing empty entry from an array

Making empty gameobject visible only in editor

Making empty gameobject visible only in editor

Dealing with parenting and scrolling

Dealing with parenting and scrolling

Showing gizmos, colliders and raycasts (with Debug.DrawRay) IN GAME WINDOW while in play mode, works for selected objects only

Showing gizmos, colliders and raycasts (with Debug.DrawRay) IN GAME WINDOW while in play mode, works for selected objects only