end_ats = '2019-08-01'.to_date.upto('2019-09-15'.to_date)
end_ats.each do |end_at|
Daily::SignIn.store(end_at: end_at)
end
Date.today.beginning_of_day.to_datetime.step((DateTime.now),Rational(1,24)){|d| puts d}
2019-09-12 at 3.02 PM.png
每月第一天和每月最后一天
(Date.new(2008, 12)..Date.new(2011, 12)).select {|d| d.day == 1}
(Date.new(2008, 12)..Date.new(2012, 01)).select {|d| d.day == 1}.map {|d| d - 1}.drop(1)
step by day Step by hour 每月第一天和每月最后一天
1 Ÿyear、month、day、week_day、hour、minute、second：对日期间类型的属性进行...
1 Ÿyear、month、day、week_day、hour、minute、second：对日期间类型的属性进行...
Day By Day Hour By Hour Minute By Minute Second By Second...
1.mktime(hour,minute,second,month,day,year); 返回一个日期的 UNIX...
1、YAER函数、MONTH函数、DAY函数、HOUR函数、MINUTE函数、SECOND函数 分别返回日期中的年...
汇总本篇文章里用到的函数：DATE;YEAR; MONTH;DAY;TODAY（日期相关）TIME;HOUR;MI...
work day by work.code hour by hour.debug minute by minut...
区间表示：.. 闭区间、until 半闭半开区间。downTo降续闭区间、step跨度步长。使用 in 和 !in...
DATE(year,month,day) now() today() time() day() hour() mo...
本文标题：Ruby 区间 日期数组 step by day or hour
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