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Re: Custom Array/Set keypath

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Re: Custom Array/Set keypath

Subject: Re: Custom Array/Set keypath
From: Mike Abdullah <email@hidden>
Date: Tue, 9 Sep 2008 16:37:58 +0100

Create a custom NSValueTransformer subclass that takes the data and calculates its standard deviation

On 9 Sep 2008, at 16:22, Jamie Phelps wrote:

I would like to bind the value of an NSTextField to the standard deviation of a keypath. My class Foo has an instance variable "amount." I found the NSExpression function stddev: and thought I would create a category but that didn't work out like I had hoped.
Any thoughts appreciated.
Thanks,
Jamie
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  >Custom Array/Set keypath (From: Jamie Phelps <email@hidden>)




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