jbuilder

https://github.com/rails/jbuilder

Ruby

Jbuilder: generate JSON objects with a Builder-style DSL

Numeric#percent_of

No Docs, write some!

Source | Google | Stack overflow

Edit

git clone [email protected]:rails/jbuilder.git
cd jbuilder
open

Contribute

# Make a new branch
git checkout -b -your-name--update-docs-Numeric-percent_of-for-pr

# Commit to git
git add git commit -m "better docs for Numeric#percent_of"

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

# Celebrate!