Generieren Sie Termine mit Periodenschienen

date_range = (Date.parse('2019-01-05')..Date.parse('2019-03-01'))
date_range.uniq { |d| d.month }
# => [Sat, 05 Jan 2019, Fri, 01 Feb 2019]
date_range.uniq { |d| d.cweek }
# => [Sat, 05 Jan 2019, Mon, 07 Jan 2019, Mon, 14 Jan 2019, Mon, 21 Jan 2019, Mon, 28 Jan 2019, Mon, 04 Feb 2019, Mon, 11 Feb 2019, Mon, 18 Feb 2019, Mon, 25 Feb 2019]
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