diaspora

https://github.com/diaspora/diaspora

Ruby

A privacy-aware, distributed, open source social network.

Environment#random_suffix

Slugifying a name may remove the uniqueness guarantee afforded by it being
based on name (which must be unique). To compensate, we add a random
6-byte suffix in those circumstances. This is not *guaranteed* uniqueness,
but the chance of collisions is vanishingly small

Source | Google | Stack overflow

Edit

git clone [email protected]:diaspora/diaspora.git
cd diaspora
open

Contribute

# Make a new branch

git checkout -b -your-name--update-docs-Environment-random_suffix-for-pr

# Commit to git

git add git commit -m "better docs for Environment#random_suffix"

# Open pull request

gem install hub # on a mac you can `brew install hub`

hub fork

git push <your name> -your-name--update-docs-Environment-random_suffix-for-pr

hub pull-request

# Celebrate!