December 2015
Intermediate to advanced
400 pages
13h 3m
English
Content preview from Swift Programming: The Big Nerd Ranch Guide
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Playing in a Playground
As you can see in Figure 1.4, a Swift playground opens with two sections. On the left, you have the Swift code editor. On the right, you have the results sidebar. The code in the editor is evaluated and run, if possible, every time the source changes. The results of the code are displayed in the results sidebar.
Figure 1.4 Your new playground
Let’s take a look at your new playground.
Notice that the first line of text is green and that it begins with two forward slashes: //.
The slashes signify to the compiler that the line is a comment, and Xcode shows comments in green.
Developers use comments ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.