Mastering Swift 2 Programming (Video 35)

Mastering Swift 2 Programming (Video 35)

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Hard

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The video tutorial covers asynchronous programming challenges and solutions using operation queues. It explains how operation queues abstract threading complexities, ensuring responsive user interfaces. A practical example in a Game of Life application demonstrates resolving main thread blocking by moving operations to background queues. The tutorial concludes with final code adjustments and testing, highlighting the importance of using main queues for UI updates.

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7 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the main purpose of utilizing operation queues in asynchronous programming?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

How do operation queues differ from manual threading?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What issues can arise if the main thread is blocked during data processing?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the significance of using a background queue for resource-intensive operations.

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe how completion handlers are used in asynchronous programming.

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

What are the benefits of using NSOperationQueue in Cocoa framework?

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

What changes need to be made to update the user interface after processing data on a background thread?

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