Quickies for NSDictionary

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Quickies for NSDictionary

General

Populating a dictionary with predefined values [permalink]
dictionaryWithObjectsAndKeys is handy if you're setting up a defaults preference dictionary (or text attributes, or any dictionary) by hand:

    defaults = [NSDictionary dictionaryWithObjectsAndKeys:
                             [NSNumber numberWithFloat: 25.0], @"density",
                             [NSNumber numberWithFloat: 40.0], @"rate",
                             nil];