From: Aldric Giacomoni <aldric@...>
Date: 2009-12-11T01:39:05+09:00
Subject: Re: Fill gaps in Array of Hashes

Joao Silva wrote:
> Yep, i understand, but it returns wrong value (and not sorted by date 
> ;-():

Try this then.

("2009-11-11".to_date.."2010-01-01".to_date).each do |date|
  exists = result.find { |x| x[:date] == date.to_s }
  next if exists
  result << { :positive => "0", :neutral => "0", :total => "0",
              :date => date.to_s, :negative => "0" }
end
array.sort! { |a, b| a[:date].to_date <=> b[:date].to_date }

Just a teeny tiny little "to_s".
And sorting an array is a simple matter of looking up the sort method in 
the rdoc (which IS your best friend).
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