paperclip

https://github.com/thoughtbot/paperclip

Ruby

Easy file attachment management for ActiveRecord

UserSession#user_agent=

No Docs, write some!

Source | Google | Stack overflow

Edit

git clone [email protected]:thoughtbot/paperclip.git
cd paperclip
open

Contribute

# Make a new branch
git checkout -b -your-name--update-docs-UserSession-user_agent--for-pr

# Commit to git
git add git commit -m "better docs for UserSession#user_agent="

# Open pull request
gem install hub # on a mac you can `brew install hub`
hub fork
git push <your name> -your-name--update-docs-UserSession-user_agent--for-pr
hub pull-request

# Celebrate!