Dave Rapin questions

Dave Rapin answers

• Mongoid, confused with embedded document with timestamps and versioning?
• Is there a way to use a Ruby loop inside of HAML's :javascript region?
• Uploading multiple files at once to Rails app with Carrierwave (HTML5)
• How to auto-generate passwords in Rails Devise?
• Field aliases with Mongoid and Rails
• How to reference an embedded document in Mongoid?
• Format DateTime in Text Box in Rails