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Re: Recommendation for keeping track of money in Core Data

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Re: Recommendation for keeping track of money in Core Data

Subject: Re: Recommendation for keeping track of money in Core Data
From: mmalcolm crawford <email@hidden>
Date: Tue, 17 Jan 2006 05:27:29 -0800


On Jan 16, 2006, at 7:17 PM, Ryan Britton wrote:

Try this class. It guarantees a certain precision. http://developer.apple.com/documentation/Cocoa/Reference/Foundation/ ObjC_classic/Classes/NSDecimalNumber.html#//apple_ref/doc/uid/ 20000179-BBCDBDHI You can just archive/unarchive it to use it in core data.

To represent money, you should use the decimal attribute. There is no need to archive/unarchive instances of NSDecimalNumber, the type is supported natively:

<http://developer.apple.com/documentation/Cocoa/Reference/ CoreData_ObjC/Classes/NSAttributeDescription.html#//apple_ref/doc/ c_ref/NSDecimalAttributeType>

mmalc

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Re: Recommendation for keeping track of money in Core Data
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References:  
  >Recommendation for keeping track of money in Core Data (From: Mike Zornek <email@hidden>)
  >Re: Recommendation for keeping track of money in Core Data (From: Ryan Britton <email@hidden>)




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