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Udacity

Xcode Debugging

via Udacity

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Overview

"If debugging is the process of removing bugs, then programming must be the process of putting them in."

Edsger W. Dijkstra

Debugging is yin to programming's yang; you can't have one without the other. However, finding bugs in programs can be an incredibly frustrating and demotivating process for developers. This course will teach you a variety of techniques to help make debugging your code easier.

Syllabus

  • Debugging, Printing, Logging
    • Learn about the difference between warnings and errors in Xcode.,Look at an example app riddled with bugs to troubleshoot.,Outline a debugging process and use print statements to identify bugs.
  • Stepping Through Code
    • Learn how to use breakpoints in Xcode.,Examine application state and stack frames during the execution of an application.,Diagnose and understand run-time problems using Xcode's debugging tools.
  • LLDB and Breakpoint Actions
    • Learn about LLDB (low-level debugger)—the debugging super tool.,Use LLDB commands to investigate issues in code.,Add actions to breakpoints to improve your debugging workflow.
  • Breakpoints and Visual Tools
    • Set special exception and symbolic breakpoints.,Use Xcode's visual debugging tools to fix user interface problems.,Practice debugging and fixing issues in an existing application.

Taught by

Jarrod Parkes

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