gistfile1.rb

    def query_string_encode(data)
      query = []
      data.each { |k,v| query << query_type(k, v) }
      query.join('&')
    end

    def query_string_encode_array(key, array)
      query = []
      array.each do |v|
        url_key = "#{key.to_s}[]"
        query << query_type(url_key, v)
      end
      query.join('&')
    end

    def query_string_encode_hash(key, hash)
      query = []
      hash.each do |k,v|
        url_key = "#{key.to_s}[#{k.to_s}]"
        query << query_type(url_key, v)
      end
      query.join('&')
    end

    def query_type(key, value)
      case value
      when Array
        query_string_encode_array(key, value)
      when Hash
        query_string_encode_hash(key, value)
      else
        [key.to_s, value.to_s].join('=')
      end
    end