To enable the Safari extension on iOS 8, launch Safari, tap the action button on the toolbar, scroll right to the end, then tap More. Make sure View Source is enabled, then position it wherever you want it in the list of Safari actions, and tap Done.
Check it out!
I just released a tutorial that helps you learn Swift by making real iOS apps. It's called Hacking with Swift, and it's pretty awesome – check it out! Plus, I just put together two articles giving examples of the new features in Swift 2 and examples of the new features in iOS 9.
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