Fixing Common Beginner Mistakes With the UITableView from Swift 2 to Swift 4
In this video I show how I converted an old Swift 2 project to Swift 4 manually.
Even thought this might seem a bit more intimidating, it's a lot easier than dealign with multiple versions of Xcode (unless you've got a massive Swift 2 project).
Work on updating one part of your app at a time to keep it manageable.
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http://SuperEasyApps.com