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

Debugging with Pry

Conrad Irwin
July 25, 2013
0
120

Debugging with Pry

Slides from Debugging with Pry at Lumos Labs.

Conrad Irwin

July 25, 2013
Tweet

More Decks by Conrad Irwin

See All by Conrad Irwin
Go for Rubyists
conradirwin
2
250
REPL Driven Development with Pry!
conradirwin
5
1.5k
MongoDB — confessions of a PostgreSQL lover
conradirwin
3
3.5k
Debuggable Code
conradirwin
1
230
Pry — the good parts!
conradirwin
25
1.6k
Efficient debugging with Pry
conradirwin
2
350

Featured

See All Featured
Designing for Performance
lara
606
69k
Building Flexible Design Systems
yeseniaperezcruz
328
38k
A better future with KSS
kneath
239
17k
Gamification - CAS2011
davidbonilla
81
5.2k
Practical Orchestrator
shlominoach
186
10k
Navigating Team Friction
lara
184
15k
Visualizing Your Data: Incorporating Mongo into Loggly Infrastructure
mongodb
45
9.5k
Mobile First: as difficult as doing things right
swwweet
223
9.5k
Docker and Python
trallard
44
3.3k
Six Lessons from altMBA
skipperchong
27
3.7k
The Psychology of Web Performance [Beyond Tellerrand 2023]
tammyeverts
46
2.4k
It's Worth the Effort
3n
184
28k

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