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

Debugging with Pry

Avatar for Conrad Irwin Conrad Irwin
July 25, 2013
150
0

Debugging with Pry

Slides from Debugging with Pry at Lumos Labs.

Avatar for Conrad Irwin

Conrad Irwin

July 25, 2013

More Decks by Conrad Irwin

See All by Conrad Irwin
Go for Rubyists
Avatar for Conrad Irwin conradirwin
2
310
REPL Driven Development with Pry!
Avatar for Conrad Irwin conradirwin
5
1.6k
MongoDB — confessions of a PostgreSQL lover
Avatar for Conrad Irwin conradirwin
3
4.1k
Debuggable Code
Avatar for Conrad Irwin conradirwin
1
300
Pry — the good parts!
Avatar for Conrad Irwin conradirwin
25
1.7k
Efficient debugging with Pry
Avatar for Conrad Irwin conradirwin
2
410

Featured

See All Featured
Being A Developer After 40
Avatar for Adrian Kosmaczewski akosma
91
590k
Dominate Local Search Results - an insider guide to GBP, reviews, and Local SEO
Avatar for Greg Gifford greggifford
PRO
0
210
Let's Do A Bunch of Simple Stuff to Make Websites Faster
Avatar for Chris Coyier chriscoyier
508
140k
How to make the Groovebox
Avatar for あそなす asonas
2
2.3k
Future Trends and Review - Lecture 12 - Web Technologies (1019888BNR)
Avatar for Beat Signer signer
PRO
0
3.6k
What Being in a Rock Band Can Teach Us About Real World SEO
Avatar for Ade Holder 427marketing
0
1.1k
A Guide to Academic Writing Using Generative AI - A Workshop
Avatar for Kenji Saito ks91
PRO
1
360
Distributed Sagas: A Protocol for Coordinating Microservices
Avatar for Caitie McCaffrey caitiem20
333
23k
The Cult of Friendly URLs
Avatar for Andy Hume andyhume
79
7k
JavaScript: Past, Present, and Future - NDC Porto 2020
Avatar for David Neal reverentgeek
52
6k
WCS-LA-2024
Avatar for Leonardo Collado-Torres lcolladotor
0
750
Building AI with AI
Avatar for Ines Montani inesmontani
PRO
1
1.1k

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