carrierwave

https://github.com/carrierwaveuploader/carrierwave

Ruby

Classier solution for file uploads for Rails, Sinatra and other Ruby web frameworks

Mail::IndifferentHash#values_at

Returns an array of the values at the specified indices:

  hash = HashWithIndifferentAccess.new
  hash[:a] = "x"
  hash[:b] = "y"
  hash.values_at("a", "b") # => ["x", "y"]

Source | Google | Stack overflow

Edit

git clone [email protected]:carrierwaveuploader/carrierwave.git

cd carrierwave

open

Contribute

# Make a new branch

git checkout -b -your-name--update-docs-Mail--IndifferentHash-values_at-for-pr

# Commit to git

git add git commit -m "better docs for Mail::IndifferentHash#values_at"

# Open pull request

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

hub fork

git push <your name> -your-name--update-docs-Mail--IndifferentHash-values_at-for-pr

hub pull-request

# Celebrate!