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Day 40: Project 9: Grand Central Dispatch, Part Two

Follow along at https://www.hackingwithswift.com/100/40.

📒 Field Notes

This day covers the second and final part of Project 9: Grand Central Dispatch in Hacking with Swift.

It's centered around extending the project — along with a few past projects — according a set of challenges.

🥅 Challenges

Challenge 1

Modify project 1 so that loading the list of NSSL images from our bundle happens in the background. Make sure you call reloadData() on the table view once loading has finished!

Challenge 2

Modify project 8 so that loading and parsing a level takes place in the background. Once you’re done, make sure you update the UI on the main thread!

Challenge 3

Modify project 9 so that your filtering code takes place in the background.