In previous versions of Microsoft Outlook (the classic app), you could view the HTML code of an email by opening the email, ...

Type either code or scanner. As you type, you'll see the Code Scanner app icon show up as an app suggestion. Tap to open it.

Xcode allows you to live preview your iOS views using Xcode Previews, so you can see how the app appears as you're actively developing it. Here's how to use them.

Setting a lock code on an app-by-app basis is a great way to add another level of security to your device. With App Lock, it's as easy as setting a PIN.