How to generate a unique hash for a URL?

Question

Given these two images from twitter.

http://a3.twimg.com/profile_images/130500759/lowres_profilepic.jpg
http://a1.twimg.com/profile_images/58079916/lowres_pr         


        

Answer 1

I see your question is what is the best hash algorithm for this matter. You might want to check this Best hashing algorithm in terms of hash collisions and performance for strings