better_errors

https://github.com/charliesome/better_errors

Ruby

Better error page for Rack apps

BetterErrors.application_root

The path to the root of the application. Better Errors uses this property
to determine if a file in a backtrace should be considered an application
frame. If you are using Better Errors with Rails, you do not need to set
this attribute manually.

Source | Google | Stack overflow

Edit

git clone [email protected]:charliesome/better_errors.git

cd better_errors

open lib/better_errors.rb

Contribute

# Make a new branch

git checkout -b -your-name--update-docs-BetterErrors-application_root-for-pr

# Commit to git

git add lib/better_errors.rbgit commit -m "better docs for BetterErrors.application_root"

# Open pull request

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

hub fork

git push <your name> -your-name--update-docs-BetterErrors-application_root-for-pr

hub pull-request

# Celebrate!