Frederick Cheung questions

Frederick Cheung answers

• Using 'they' instead of 'it' in RSpec
• Safe way to increase field value in rails AR
• When the protocol is https, Amazon S3 assets won't load, - Rails, Heroku
• Rails "please wait" page
• ActiveRecord count of distinct days from created_at?
• Developing a gem in parallel with another project
• Permutations in Ruby - unsure how to handle
• RAILS3: to_JSON with multiple objects and includes
• RSpec undefined method `request='
• has_and_belongs_to_many and unique index on association table generates "Duplicate entry" fail