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The latest version of the book is P3.0, released about 3 years ago. If you've bought a PDF of the book and would like to update it to this version (for free), visit your home page.

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  • Typo
  • Tech. error
  • Suggestion
  • Maybe next edition
  • Not a problem
  • Reported in: P3.0 (10-Jan-17)
PDF page: 29

let results = [NSManagedObject]? = nil
should be replaced by
var results = [NSManagedObject]? = nil
to make it mutable.--Ewald Heck

  • Reported in: P3.0 (12-Jan-17)
PDF page: 36
In Chapter 2, section Loading the Data Model, the data controller is described as being a subclass of NSObject but the code downloaded from the pragma...more...