Iam trying to resize part of an image without smoothing/blurring the selection. I cant figure out how..

I want to enlarge that part and preserve the pixels, only scale them larger.
EDIT: Never mind.
The problem is that the that photoshop does it automaticly to everything apparently.
I got the effect i wanted if i went to
Edit > Prefrences > General > Image Interpolation > [Nearest Neigbour]