rails

https://github.com/rails/rails

Ruby

Ruby on Rails

ActiveRecord::ModelSchema::ClassMethods#protected_environments=

Sets an array of names of environments where destructive actions should be prohibited.

Source | Google | Stack overflow

Edit

git clone [email protected]:rails/rails.git
cd rails
open activerecord/lib/active_record/model_schema.rb

Contribute

# Make a new branch
git checkout -b -your-name--update-docs-ActiveRecord--ModelSchema--ClassMethods-protected_environments--for-pr

# Commit to git
git add activerecord/lib/active_record/model_schema.rbgit commit -m "better docs for ActiveRecord::ModelSchema::ClassMethods#protected_environments="

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

# Celebrate!