Before doing anything, please check the versions of the gem files:
gem 'rails', '~> 5.1.4'
gem 'devise', '~> 4.4.0'Disclaimer - This solution may not work with older versions of rails and devise. Versions listed above were the latest versions of gems which I was using at the time of creation and tests. (10 Jan 2018)
| # nil? can be used on any Ruby object. It returns true only if the object is nil. | |
| nil.nil? # => true | |
| [].nil? # => false | |
| {}.nil? # => false | |
| "".nil? # => false | |
| " ".nil? # => false | |
| true.nil? # => false | |
| # empty? can be used on some Ruby objects including Arrays, Hashes and Strings. It returns true only if the object's length is zero. | |
| nil.empty? # NoMethodError: undefined method `empty?' for nil:NilClass |
| <!DOCTYPE HTML> | |
| <html> | |
| <!-- | |
| @author Ben Poole, http://benpoole.com | |
| Example HTML5 code for playing with the local WebKit (Opera too?) SQL database. | |
| @see http://benpoole.com/weblog/201106222227 | |
| --> | |
| <head> | |
| <meta charset="UTF-8" /> | |
| <title>Winkles Of The World Unite!</title> |