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Re: Validating in Core Data

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Re: Validating in Core Data

Subject: Re: Validating in Core Data
From: mmalcolm crawford <email@hidden>
Date: Tue, 9 Aug 2005 13:23:26 -0700


On Aug 9, 2005, at 1:14 PM, Jeff LaMarche wrote:

-(BOOL)validateUrl:(NSString *)urlString error:(NSError **)error [...] urlString is not nil, but when I call [urlString length], I get the bad access error. I used Apple's Model Object Implementation Guide when doing this,

<http://developer.apple.com/documentation/Cocoa/Conceptual/ ModelObjects/Articles/moValidation.html#//apple_ref/doc/uid/TP40002185>

-(BOOL)validateAge:(id *)ioValue error:(NSError **)outError { [...] "It is important to note that the input value is a pointer to object reference (an id * )."

mmalc

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  >Validating in Core Data (From: Jeff LaMarche <email@hidden>)




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