Created
February 18, 2009 22:07
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| >> (Date.today - 1).to_s | |
| => "2009-02-17" | |
| >> (Date.today-1).to_s | |
| => "2009-02-17" | |
| >> (Date.today -1).to_s | |
| => "2009-02-18" |
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