Re^2: Hash Math

When I try your code, I get this Can't modify subtraction (-) in scalar assignment

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Re^3: Hash Math by kennethk (Abbot) on Jun 09, 2014 at 23:40 UTC
There is no subtraction in my posted code. What code did you run? My best guess is that you've forgotten some quoting around your dates. Note that if you are using ISO 8601 w/ hyphens, the numerical comparison (the next if... bit) will break down, and so you'll need to use DateTime's built-in comparator. #11929 First ask yourself `How would I do this without a computer?' Then have the computer do it the same way.	[reply]

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Re^3: Hash Math
by kennethk (Abbot) on Jun 09, 2014 at 23:40 UTC

There is no subtraction in my posted code. What code did you run? My best guess is that you've forgotten some quoting around your dates.

Note that if you are using ISO 8601 w/ hyphens, the numerical comparison (the next if... bit) will break down, and so you'll need to use DateTime's built-in comparator.

#11929 First ask yourself `How would I do this without a computer?' Then have the computer do it the same way.

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