Ruby on Rails - generating bit.ly style uuids

Question

I\'m trying to generate UUIDs with the same style as bit.ly urls like:

http://bit.ly/aUekJP

or cloudapp ones:

http://cl.ly/1hVU         


        

Answer 1

The only way to guarantee uniqueness is to keep a global count and increment it for each use: 0000, 0001, etc.