Unity3d editor: how to prevent changes from being undone upon exiting play mode?

Question

Apparently this is some beginner\'s question (and that I am) but it\'s driving me crazy and I couldn\'t find any mention:

I Occasionally forget to exit P

Answer 1

You can select objects you want to keep while in play mode, copy them with Ctrl + C, and then just paste them back in with Ctrl + V after returning to edit mode. Then you can eithr delete the originals from the scene or copy values from individual components like @Programmer suggested.