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need4spd/1.rb

Created November 29, 2012 00:54
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[Ruby] Date연산
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1.rb
require 'date'
startDate=Date.new(1901,1,1)
endDate=Date.new(2000,12,31)
startDate === endDate #비교, =가 3개
startDate.wday == 0 #요일, 0이 일요일
startDate.mday == 1 #month of day
startDate = startDate + 1 #하루 증가
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