age calculation on Windows vs Mac

[André Bisseret]

Thanks a lot Pete for this information;

i was not aware of these "epoch" dates format

I am going to dig around that

I much appreciate your prompt help

André 

Le 19 juil. 2011 à 18:40, Pete a écrit :

> Hi Andre,
> I don't have a definitive answer for you but this sounds like it is
> connected to "epoch" dates which are the number of days since Jan 1, 1970.
> I'm guessing that somewhere along the line, your dates are being converted
> to the epoch format on the WIndows platform that would certainly cause a
> problem for dates prior to 1970.  I don't know why that would be different
> in Windows than OS X.
> 
> Hope that might help track down the problem.
> 
> Pete
> Molly's Revenge <http://www.mollysrevenge.com>
> 
> 
> 
> 
> On Tue, Jul 19, 2011 at 9:23 AM, André Bisseret
> <andre.bisseret at wanadoo.fr>wrote:
> 
>> Bonjour,
>> 
>> I am a Mac user but I recently bought a PC (windows 7) in order to test my
>> standalones for windows more quickly.
>> 
>> I am fighting for hours now with the following problem :
>> 
>> In an app., I have a handler that calculates the age  from the short birth
>> date  (thanks to Jim Ault who gave it on the list).
>> The birth date is jj/mm/AAAA or jj/mm/AA as well.
>> 
>> This handler works fine on Mac, but not on windows.
>> 
>> On windows, the age is invariably 100 if the birth year < 1970. (with
>> JJ/MM/AA or JJ/MM/AAAA (as bad ;-(
>> If the birth year > = 1970 then the age is correct.
>> 
>> I tried to play with the centuryCutOff but without any success (on
>> windows).
>> 
>> I am not familiar with Windows : what am I missing ? Is it a matter of
>> computer setting or should I program differently for windows than for mac !?
>> 
>> Thanks a lot in advance for any help
>> 
>> Best regards from Grenoble
>> 
>> André
>> 
>> P.S. By the way, I used to use a search engine (if I well remember, it was
>> in the help menu of livecode) I do not find it any more; has it been
>> suppressed ? (or here again, I am missing something !)
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