Now that you're up to speed with Swift, it's time to get familiar with its older sibling - Objective-C. Objective-C has a rich history and a very different way of doing things that may come as a surprise. In this course we're going to take a tour through the Objective-C language using Swift as our base. By the end of this course you will know the ins and outs of using the Objective-C language and be able to use either Swift, Objective-C or both to build iOS apps.
LLDB is the command-line debugger that is built into Xcode. If you learn how to use it, you can save yourself a ton of time while debugging. This series takes you all the way from basic concepts like setting breakpoints or running expressions on the command line, to advanced concepts like using Facebook’s Chisel library or writing your own custom Python LLDB extensions.