Marcus S. Zarra

Marcus S. Zarra has asked 6 questions and find answers to 217 problems.

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About

Author of the book "Core Data" for the Pragmatic Programmers.
Author of the book "Core Data in Swift" for the Pragmatic Programmers.
Co-author of the book "Core Animation" for Addison Wesley.
Co-creator of "Cocoa Is My Girlfriend".

Marcus S. Zarra questions

NSURL Authentication when server does not present a challenge
Why is this an over-release of CTFrame
Determine if a file is a valid video quickly
XPath query searching for an element with specific text

Marcus S. Zarra answers

Core Data - Breaking A Relationship
Updates to NSDictionary attribute in CoreData not saving
Core Data: Overkill for simple, static UITableView-based iPhone App?
Using GameKit to transfer CoreData data between iPhones
Best practice: exposing NSManagedObject in framework
Swift Importing Large JSON data Set and Core Data
Get unique objects at end of relationship for fetch results
How can I keep multiple NSManagedContext's in sync?
Best way to implement "iOS Photos style" tiled image gallery
Inserting data after a Core Data migration