One Quickie

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NSSearchField filtering for an NSArrayController (Bindings->General)

In Tigger, NSSearchField can now automagically filter an array via IB magic.

In Interface Builder, drag over the NSSearchField, and bind the predicate like this:

• Bind To: your array controller
• Controller Key: filterPredicate
• Predicate Format: what contains[c] $value (assuming the attribute you're filtering is called what)

If you're wanting to be able to filter on multiple attributes, make additional predicate bindings. Doing the CoreData option-drag of an entity into IB is really handy - take a peek at how it configures the search field for filtering multiple columns.