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Re: Smart Group Question
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Re: Smart Group Question


  • Subject: Re: Smart Group Question
  • From: mmalcolm crawford <email@hidden>
  • Date: Thu, 7 Jul 2005 13:05:35 -0700


On Jul 7, 2005, at 12:20 PM, SA Dev wrote:

This is the kind of thing that is very difficult to glean from the documentation as-is - it's easy to miss because IIRC it's not specifically stated anywhere. NSPredicate and the like appear only in 10.4 (alongside Core Data). I have only ever seen NSPredicate in the context of Core Data, and so naturally associate the two.

The Introduction to Predicates Programming Guide states:
"Predicates provide a general means of specifying queries in Cocoa. The predicate system is capable of handling a large number of domains, not just—for example—Core Data or Spotlight."


None of the examples in the "Using Predicates" article uses Core Data:
<http://developer.apple.com/documentation/Cocoa/Conceptual/ Predicates/Articles/pUsing.html>



For those of you who are 'in the know', just remember the confusion Bindings caused. Today there are a number of differently-angled explanations and demonstrations - mmalc, your own bindings page helped immensely as it grew, but the first few months were infuriating. Any concept brand new to any developer (especially when the documentation is still trying to catch up and it's not clear what examples will answer specific questions) is bound to cause a flood of what might seem like brain-dead questions. The specifics, nuts, and bolts are well-documented it seems, but the overall concepts need bolstering for sure (this has been discussed many times and I have personally filed more than a few doc enhancement requests). Patience, please! ;-)

Please continue to file bugs and enhancement requests, and let us know what works...
As ever, feedback is useful to know what areas to prioritise.


mmalc

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  • Follow-Ups:
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References: 
 >Smart Group Question (From: SA Dev <email@hidden>)
 >Re: Smart Group Question (From: Andreas Mayer <email@hidden>)
 >Re: Smart Group Question (From: SA Dev <email@hidden>)
 >Re: Smart Group Question (From: mmalcolm crawford <email@hidden>)
 >Re: Smart Group Question (From: SA Dev <email@hidden>)

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