我怎么能得到昨天的约会?
也许:
@get_time_now = Time.now.strftime('%m/%d/%Y') / 86400
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要么
@get_time_now = Time.now.strftime('%m/%d/%Y') - 1.day
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要么
@get_time_now = Time.now. / 86400
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86400 = 1天,对吗?(60*60*24)