Debugging with Pry

Transcript

1. None

2. From http://www.codeodor.com/images/frustrated.jpg

3. “Beware of bugs in the above code; I have only

   proved it correct, not tried it.” — Donald Knuth

4. From http://thecollaboratory.wikidot.com/2013-philosophy-of-thought-logic

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8. Use binding.pry Easier to write. Easier to read. Can explore

   interactively. Can fix things interactively.

9. Use binding.pry whereami $ (aka. show-source) ls edit

10. Use binding.pry cd ? (aka. show-doc) up (and down) try-again

    (with rescue rails server) help

11. Debugging is fun 49.9% of your time is spent debugging.

    Optimize that. Pry can help.

12. Questions? @ConradIrwin