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Ping Pong Pair Programming - PhillyXP
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Anthony Sciamanna
February 01, 2018
Programming
1
400
Ping Pong Pair Programming - PhillyXP
Ping Pong Pair Programming talk from PhillyXP user group.
Anthony Sciamanna
February 01, 2018
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Transcript
The Ultimate Developer Collaboration Technique PING PONG PAIR PROGRAMMING Anthony
Sciamanna @asciamanna Nick Goede @ngoede February 1, 2018
The Problem
Pair Programming is really interesting, everybody talks about it but
no one does it. - Bryan Helmkamp, Founder and CEO Code Climate, Baruco 2013 “
Traditional Pair Programming Challenges What we’ve heard…
I never get to type!
None
Whenever I am driving my pair just looks at their
phone.
None
I can’t ever get into flow when pairing.
None
Talking about everything I’m doing slows me down.
I have to solve the BIG problems before pairing
Programming By Coincidence AKA Debugger Driven Development
Software Death Spiral
Ping Pong Pair Programming
Pair Programming Test-Driven Development Ping Pong Pair Programming
None
Nick Anthony Writes a failing test Makes the test pass
Writes the next failing test Makes the next test pass Only when all tests pass either person can refactor Continue until there are no more tests to write
Solutions
I never get to type!
Whenever I am driving my pair just looks at their
phone.
Rapid Switching Intervals
I can’t ever get into flow when pairing.
Save States
None
Talking about everything I’m doing slows me down.
Collaborative Iterative
Evolutionary Design & Refactoring
Collaboration & Communication
Code Comprehension
None
Demo The Bill Payer App Allows users to view, manage,
and autopay their bills
Task Calculate mortgage grace date • Business Days are weekdays
• If due date is a non-business day then pay bill on next business day
Anthony https://youtu.be/WZsLNrnS4yk
Nick https://youtu.be/WujNniqzf9U
Anthony https://youtu.be/OoSvlJv24hE
Nick https://youtu.be/Kl6UbPtJNGo
Anthony https://youtu.be/kUkD_Ak6PLc
Nick https://youtu.be/5VEuhMLS_Mk
Task Calculate water bill grace date • Business Days are
weekdays • If due date is a non-business day then pay bill on previous business day
Anthony https://youtu.be/6coH9P0Yuxg
Nick https://youtu.be/CSzFSzsKaXM
Anthony https://youtu.be/1gfihiwx8dw
Nick https://youtu.be/4SfL6WWsCjo
Nick https://youtu.be/1eFAMNBStCo
Anthony https://youtu.be/P_u5OWjAcWo
Try Ping Pong Pair Programming! Effective and a lot of
FUN
CONTACT US! For more information about this talk go to
bit.ly/phillyxp-4p Nick Goede @ngoede Anthony Sciamanna @asciamanna