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679

answers:

1

How does Stack Overflow for users auto-generate the gravatars for those who do not create a picture or who have not created a Gravatar icon?

Where did these avatars comes from?

Duplicate of what is the algorithm used to generate those little gravatar identicon images? which is itself duplicate of How do you generate that default avatar in Stackoverflow?...

+4  A: 
Andreas Grech
Hi, is there an example of an implementation I could swipe for Ruby on Rails?
AFG
Check out these links: http://douglasfshearer.com/blog/gravatar-for-ruby-and-ruby-on-rails | http://slightlycoded.com/blog/ruby-on-rails-gravatar-simple-integration
Andreas Grech