Ensure that you're using Xcode to the max! Improve your IDE proficiency with techniques such as keyboard shortcuts, editing, and debugging.

• Being able to navigate your project with keyboard shortcuts is your best road to proficiency in Xcode. In this course you'll learn the most-used shortcuts
• Learn how to use Markdown for README files and create custom file headers
• Find out how to manage project dependencies with workspaces. You'll also create a reusable framework for a checkbox control
• Manage building your projects using schemes, configurations and targets. You'll create a lite version of the sample app in a new target
• Learn how to control complex storyboards with storyboard references. You'll also debug the sample app using the visual debugger

https://www.raywenderlich.com/3199-xcode-tips-and-tricks