Goalie questions

• What does User.destroy_all or User.delete_all do?
• Why are emails not getting in the ActionMailer::Base.deliveries table?
• How do you test omni-auth facebook using rspec?
• Should I use quotes or colons for session keys in Ruby on Rails?
• Is it possible to turn off ActionMailer emails when cucumber testing is happening on development?
• Why is debugging information not showing in my Rails development environment?
• How do you check if an embedded document exists in a document in mongoid?
• How do you change the testing default driver for a Cucumber test in Capybara?
• Is there a way to delete users for your Facebook Application?
• Why is my mongoDB hosting uri settings for mongoid.yml not working correctly?

Goalie answers