What program uses the fewest lines of code to draw a 3x3 grid using a turtle??

I'm challenging myself to find the fewest lines of code needed to draw a 3x3 grid using a turtle in JavaScript. Thi...

Rename or refactor files in Xcode?

Is it possible to rename/refactor a class file and have it rename the actual file on disk? If so, how can I do this?...