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

Debugging with Pry

Sponsored · Your Podcast. Everywhere. Effortlessly. Share. Educate. Inspire. Entertain. You do you. We'll handle the rest. →
Avatar for Conrad Irwin Conrad Irwin
July 25, 2013
0
140

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
280
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
3.9k
Debuggable Code
Avatar for Conrad Irwin conradirwin
1
270
Pry — the good parts!
Avatar for Conrad Irwin conradirwin
25
1.7k
Efficient debugging with Pry
Avatar for Conrad Irwin conradirwin
2
390

Featured

See All Featured
Crafting Experiences
Avatar for Bethany Jepchumba bethany
1
46
GraphQLの誤解/rethinking-graphql
Avatar for sonatard sonatard
74
11k
I Don’t Have Time: Getting Over the Fear to Launch Your Podcast
Avatar for Joe Casabona jcasabona
34
2.6k
The SEO Collaboration Effect
Avatar for Kristina Bergwall kristinabergwall1
0
350
For a Future-Friendly Web
Avatar for Brad Frost brad_frost
182
10k
Become a Pro
Avatar for Speaker Deck speakerdeck
PRO
31
5.8k
Raft: Consensus for Rubyists
Avatar for Patrick Van Stee vanstee
141
7.3k
How to Talk to Developers About Accessibility
Avatar for Jason CranfordTeague jct
2
130
RailsConf & Balkan Ruby 2019: The Past, Present, and Future of Rails at GitHub
Avatar for Eileen M. Uchitelle eileencodes
141
34k
Improving Core Web Vitals using Speculation Rules API
Avatar for Sergey Chernyshev sergeychernyshev
21
1.4k
Rails Girls Zürich Keynote
Avatar for Gregor Martynus gr2m
96
14k
Cheating the UX When There Is Nothing More to Optimize - PixelPioneers
Avatar for Stéphanie Walter stephaniewalter
287
14k

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