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Software Debugging

Saarland University via Udacity


In this class you will learn how to debug programs systematically, how to automate the debugging process and build several automated debugging tools in Python.

Why Take This Course?

At the end of this course you will have a solid understanding about systematic debugging, will know how to automate debugging and will have built several functional debugging tools in Python.


Lesson 1: How Debuggers work

Theory: Scientific method and its application to debugging.

Fun fact: First bug in the history of computer science.

Practice: Building a simple tracer.

Lesson 2: Asserting Expectations

Theory: Assertions in testing and in debugging.

Fun fact: The most expensive bug in history.

Practice: Improving the tracer.

Lesson 3: Simplifying Failures

Theory: Strategy of simplifying failures. Binary search. Delta debugging principle.

Fun fact: Mozilla bugathon.

Practice: Building a delta debugger.

Lesson 4: Tracking Origins

Theory: Cause-effect chain. Deduction. Dependencies. Slices.

Fun fact: Sherlock Holmes and Doctor Watson.

Practice: Improving the delta debugger.

Lesson 5: Reproducing Failures

Theory: Types of bugs (Bohr bug, Heisenbug, Mandelbug, Schrodinbug). Systematic reproduction process.

Fun fact: Mad laptop bug.

Practice: Building a statistic debugging tool.

Lesson 6: Learning from Mistakes

Theory: Bug database management. Classifying bugs. Bug maps. Learning from mistakes.

Fun fact: Programmer with the most buggy code.

Practice: Improving your tools and practicing on a real world bug database.

Taught by

Andreas Zeller

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4.7 rating, based on 6 reviews

Start your review of Software Debugging

  • Very vital for all online users. Fantastic!

    It worth the time and energy to undergo this course

    it's very straight forward
  • Anonymous

    Anonymous completed this course.

    Very useful course and fills a gap - it gives much more information in this topic than anything I found before.
  • Anonymous

    Anonymous completed this course.

    There is no decent book about debugging in Python. And this course fills the gap. Good presentation, easily understandable and concentrates on essnetial. Students need intermediate programming skills in Python, understanding of OOP, DS and A. Highly recommended for every beginner programmer.
  • Anonymous

    Anonymous completed this course.

    One of the top online courses i have taken till now. Carefully explains debbuging methodologies and exhibits with examples and quizes.
  • Mattia Monga

    Mattia Monga completed this course, spending 8 hours a week on it and found the course difficulty to be medium.

  • Marat Minshin

    Marat Minshin is taking this course right now, spending 5 hours a week on it and found the course difficulty to be medium.

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