def humanize(lower_case_and_underscored_word)
      result = lower_case_and_underscored_word.to_s.dup
      inflections.humans.each { |(rule, replacement)| break if result.sub!(rule, replacement) }
      result.gsub!(/_id$/, "")
      result.tr!('_', ' ')
      result.gsub(/([a-z\d]*)/i) { |match|
        "#{inflections.acronyms[match] || match.downcase}"
      }.gsub(/^\w/) { $&.upcase }
    end
def humanize(lower_case_and_underscored_word)
      result = lower_case_and_underscored_word.to_s.dup
      inflections.humans.each { |(rule, replacement)| break if result.sub!(rule, replacement) }
      result.gsub!(/_id$/, "")
      result.tr!('_', ' ')
      result.gsub(/([a-z\d]*)/i) { |match|
        "#{inflections.acronyms[match] || match.downcase}"
      }.gsub(/^\w/) { $&.upcase }
    end
Capitalizes the first word and turns underscores into spaces and strips a
 trailing "_id", if any. Like +titleize+, this is meant for creating pretty output.

   "employee_salary" # => "Employee salary"
   "author_id"       # => "Author"