gal questions

• omniauth with facebook not working on production
• Postgres performance issue in my Rails app
• how to set timezone for the datetime_select helper
• how to use onkeyup() method when i am writing my input with "text_field_tag" (ruby on rails)
• Prevent iOS from Switching Between Back Camera Lenses in getUserMedia (Safari/WebView, iOS 18)
• i installed ruby 1.9.2 with RVM, but when i type "ruby -v" is telling me the ruby v i have is 1.8.7 (mac)
• `require': cannot load such file -- ffi (LoadError) `require': cannot load such file -- ffi (LoadError) when trying to start rails console
• ViewControllers are not destructing
• Alamofire response object return 200 status code when my Rails server return 304
• Handling Timeout error

gal answers