You probably already know how to scan a QR code with your phone.It's simple enough: just open the camera app, point your phone at the code, and tap the link. What if you're on your computer, though?

How to scan a QR code with an iPhone or iPad . Both iPhones and iPads have a QR scanner built into the camera. 1. With a QR code nearby, open the camera on your iPhone or iPad.

The beauty of open source programming is that there are a lot of code libraries available to software application developers, obviously. Some would call it a ‘goldmine’ of open source code.