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The latest version of the book is P2.0, released almost 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: P1.0 (04-Jan-20)
#86221
Paper page: 78-81
Hardware: iMac (Retina 5K, 27-inch, 2019 ) Software Catalina 10.15.2, Xcode 11.0 As proposed network security disabled (info.plist XML file). Runn...more...
  • Reported in: P2.0 (02-Jul-17)
#81789
PDF page: 124

"we call Dispatch.queue" in the text.
queue: DispatchQueue.global(qos: .default) in the code--David Lindsay

  • Reported in: P2.0 (03-Jul-17)
#81790
PDF page: 127

"(qos: .default)"
Developers should not use the "default" qos, according to the Apple documentation.--David Lindsay