Upgrade to Pro — share decks privately, control downloads, hide ads and more …

Debugging with Pry

Avatar for Conrad Irwin Conrad Irwin
July 25, 2013
0
120

Debugging with Pry

Slides from Debugging with Pry at Lumos Labs.
Avatar for Conrad Irwin

Conrad Irwin

July 25, 2013
Tweet

More Decks by Conrad Irwin

See All by Conrad Irwin
Go for Rubyists
Avatar for Conrad Irwin conradirwin
2
260
REPL Driven Development with Pry!
Avatar for Conrad Irwin conradirwin
5
1.5k
MongoDB — confessions of a PostgreSQL lover
Avatar for Conrad Irwin conradirwin
3
3.6k
Debuggable Code
Avatar for Conrad Irwin conradirwin
1
240
Pry — the good parts!
Avatar for Conrad Irwin conradirwin
25
1.6k
Efficient debugging with Pry
Avatar for Conrad Irwin conradirwin
2
360

Featured

See All Featured
For a Future-Friendly Web
Avatar for Brad Frost brad_frost
179
9.8k
It's Worth the Effort
Avatar for 3n 3n
184
28k
Stop Working from a Prison Cell
Avatar for Chris Michel hatefulcrawdad
270
20k
How to Ace a Technical Interview
Avatar for Jacob Kaplan-Moss jacobian
277
23k
CoffeeScript is Beautiful & I Never Want to Write Plain JavaScript Again
Avatar for Sam Stephenson sstephenson
161
15k
Practical Tips for Bootstrapping Information Extraction Pipelines
Avatar for Matthew Honnibal honnibal
PRO
20
1.3k
Evolution of real-time – Irina Nazarova, EuRuKo, 2024
Avatar for Irina Nazarova irinanazarova
8
790
Become a Pro
Avatar for Speaker Deck speakerdeck
PRO
28
5.4k
The Art of Delivering Value - GDevCon NA Keynote
Avatar for David Neal reverentgeek
15
1.5k
Optimizing for Happiness
Avatar for Tom Preston-Werner mojombo
379
70k
Understanding Cognitive Biases in Performance Measurement
Avatar for Philip Tellis bluesmoon
29
1.8k
Making Projects Easy
Avatar for Brett Harned brettharned
116
6.3k

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

  5. None
  6. None
  7. None

  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