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Lightning BoltThe latest version of this course is available here.
NSURL, NSURLRequest, and NSURLResponse
Delegate vs. Closures

Networking With NSURLSession

PART 4: NSURLSessionTask

Learn how NSURLSessionTask has several subclasses that do the work of the network requests.

Course Lessons: Networking With NSURLSession

Lesson Discussion

Networking With NSURLSession - Part 4: NSURLSessionTask