On Sep 29, 2010, at 9:40 PM, Paul Hoadley wrote:

> On 30/09/2010, at 10:21 AM, Louis Demers wrote:
> 
>> In my app, when that's the behaviour I want, I zero out the data before 
>> writing it to the database so  that subsequent checks for equality will 
>> return values...
> 
> FWIW, I've found that the only clean solution to this problem is to abandon 
> using timestamp types to represent a 1-day-resolution date.  In my 
> experience, at least, zeroing out the time part only works until you start 
> using multiple timezones.

Apple agrees with you Paul.

http://developer.apple.com/legacy/mac/library/documentation/InternetWeb/Reference/WO542Reference/index.html

Calendar dates should not be represented by NSTimestamp.  The Date prototype is 
wrong for using it IMHO.

Ramsey
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