carrierwave

https://github.com/carrierwaveuploader/carrierwave

Ruby

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

Mail::Multibyte::Unicode#in_char_class?

Detect whether the codepoint is in a certain character class. Returns +true+ when it's in the specified
character class and +false+ otherwise. Valid character classes are: <tt>:cr</tt>, <tt>:lf</tt>, <tt>:l</tt>,
<tt>:v</tt>, <tt>:lv</tt>, <tt>:lvt</tt> and <tt>:t</tt>.

Primarily used by the grapheme cluster support.

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--Multibyte--Unicode-in_char_class--for-pr

# Commit to git

git add git commit -m "better docs for Mail::Multibyte::Unicode#in_char_class?"

# 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--Multibyte--Unicode-in_char_class--for-pr

hub pull-request

# Celebrate!