Deploy BohdanOrlov/iOS-Developer-Roadmap to github.com/BohdanOrlov/iOS-Developer-Roadmap.git:master

Author: traviscibot

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 ## iOS Developer > Practical knowledge > Caching and Persistency > Core Data
 
 ### Articles
-- [ ] [Core Data Programming Guide](https://developer.apple.com/library/content/documentation/Cocoa/Conceptual/CoreData/index.html#//apple_ref/doc/uid/TP40001075-CH2-SW1)
+- [ ] [Core Data Programming Guide](https://developer.apple.com/library/content/documentation/Cocoa/Conceptual/CoreData/index.html)
 - [ ] [Core Data from Scratch: Concurrency](https://code.tutsplus.com/tutorials/core-data-from-scratch-concurrency--cms-22131)
 
 

RoadmapProject/Script/Generated/ESSENTIALROADMAP.txt

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 ### Articles
 - [ ] [Introduction to Key-Value Observing Programming Guide](https://developer.apple.com/library/content/documentation/Cocoa/Conceptual/KeyValueObserving/KeyValueObserving.html)
-- [ ] [Key-Value Observing](http://nshipster.com/key-value-observing/")
+- [ ] [Key-Value Observing](http://nshipster.com/key-value-observing/)
 
 

RoadmapProject/Script/Generated/ROADMAP.md

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 ## iOS Developer > Practical knowledge > Languages > Swift
 
 ### Books
-- [ ] [The Swift Programming Language](https://itunes.apple.com/gb/book/the-swift-programming-language-swift-4-0-3/id881256329)
+- [ ] [The Swift Programming Language](https://geo.itunes.apple.com/us/book/the-swift-programming-language-swift-4-1/id881256329?mt=11)
 - [ ] [Advanced Swift](https://www.objc.io/books/advanced-swift/)
 - [ ] [Swift Apprentice](https://store.raywenderlich.com/products/swift-apprentice?_ga=2.74566868.712179774.1519384552-896491817.1510924963)
 

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 ## iOS Developer > Practical knowledge > Memory management > Shallow and deep copying
 
 ### Articles
-- [ ] [Object copying](https://developer.apple.com/library/content/documentation/General/Conceptual/DevPedia-CocoaCore/ObjectCopying.html)
+- [ ] [Object copying](https://developer.apple.com/library/content/documentation/CoreFoundation/Conceptual/CFMemoryMgmt/Concepts/CopyFunctions.html)