tag is used for set the webpage title. Rails 4 Strong Parameters:How to 'Exclude'/Blacklist Attributes Instead of Permit/Whitelist, Sinatra - Response.Set_Cookie Doesn't Work, Use Global or Constant Variable in Ruby/Rails, Do Ruby 1.8 and 1.9 Have the Same Hash Code for a String, Bundler::Gemnotfound: Could Not Find Mimemagic-0.3.5 in Any of the Sources on Rails Project with Docker, Ruby $Stdin.Gets Without Showing Chars on Screen, How Does MACports Install Packages? Both