carrierwave

https://github.com/carrierwaveuploader/carrierwave

Ruby

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

Mail::Multibyte::Chars#limit

Limit the byte size of the string to a number of bytes without breaking characters. Usable
when the storage for a string is limited for some reason.

Example:
  s = 'こんにちは'
  s.mb_chars.limit(7) # => "こに"

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--Chars-limit-for-pr

# Commit to git

git add git commit -m "better docs for Mail::Multibyte::Chars#limit"

# 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--Chars-limit-for-pr

hub pull-request

# Celebrate!