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Timeline for Date Time - Seconds Difference

Current License: CC BY-SA 3.0

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Jun 3, 2018 at 19:24 comment added Sezen For the @jerry-coffin 's answer, if your date is not correct, i.e., for a date 2010-02-29 12:00:00, it will assume date as 2010-03-01 12:00:00. If you are not sure your dates are exactly correct, this method will fail. Be cautious!
Dec 31, 2011 at 23:28 vote accept hiddensunset4
Nov 29, 2011 at 1:05 comment added hiddensunset4 Thanks a tonne mate, this is definitely the best solution. Regression tests show 100% accuracy for the time periods I am using.
Nov 28, 2011 at 22:27 history edited Jerry Coffin CC BY-SA 3.0
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Nov 28, 2011 at 22:22 comment added Jerry Coffin @Daniel: Sorry, I must have misunderstood what your invert was supposed to do, and thought the intent was to produce an absolute difference. Producing a negative/positive is actually a bit simpler (see edit).
Nov 28, 2011 at 22:10 comment added hiddensunset4 I'm going to have to go over this soon, but this solution is great, it shamelessly kills my solution in terms of performance, and maintains the accuracy. However, there is something strange going on with the sign, it doesn't always output the correct sign, ie it reports the difference between 23rd and 18th of a month is 5, when since 23rd > 18th, its -5 backwards (as defined by the behaviour of the previous two examples). Hopefully I'll find where this lies later though.
Nov 28, 2011 at 18:13 history edited Jerry Coffin CC BY-SA 3.0
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Nov 28, 2011 at 18:07 history edited Jerry Coffin CC BY-SA 3.0
added 306 characters in body
Nov 28, 2011 at 17:58 history answered Jerry Coffin CC BY-SA 3.0