parse querystring use oneline.ruby tips

base envirenment:
parse a HTTP query string in the shortest possible way.

q = "query1=apa&query2=apa2"
Hash[q.split("&").collect{|a| a.split("=")}.flatten]
=> {"query1"=>"apa", "query2"=>"apa2"}

absolutely shottest way:

Hash[*q.split(/=|&/)]

reference url:
http://refactormycode.com/codes/1058-parse-a-querystring