In the field of software development, the size of a project can range from one person coding away on his or her laptop, in his or her free time, to hundreds or thousands of developers spread out across the world working 40 hour weeks. Unfortunately, as a team gets larger, the chance of issues increases dramatically. Files may get corrupted while being sent from one developer to another; hardware failures may cause teams to lose weeks, or even months, of progress; coders may modify the same file at the same time, resulting in issues down the line. On teams of any size, a good source code management system can save you from all of these headaches.
In Xcode, we'll be taking advantage of a source control (or version control) system called Git. We'll take a look at the features of Git, learn how it interfaces with Xcode, and set up an account on a website called GitHub that allows us to save our projects online. To be more specific, in this...