Talk I gave at the techcamp Hamburg about pair programming basics/methods

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 @FrankS
Pair Programming - Basics
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2. Moin!
Frank SonsFrank Sons  FrankS FrankS
http://code-quality.dehttp://code-quality.de

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 @FrankS
Agenda
● Introduction
● Some small facts
● Pair Programming Methods
● To pair or not to pair
● Typical Problems
● Something to get started

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IntroductionIntroduction

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 @FrankS
Once upon a time there was an engineer
Drove a locomotive both far and near
Accompanied by a monkey who would sit on a stool
Watchin' everything the engineer would move
- Jesse Fuller, "The Monkey and the Engineer"

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 @FrankS

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Any experience with Pair Programming?

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 @FrankS
Wikipedia
„Pair programming is an agile software development technique
in which two programmers work together at one workstation.
One, the driver, writes code while the other, the observer or navigator,
reviews each line of code as it is typed in.
The two programmers switch roles frequently.“

9. code-quality.de
 @FrankS
Wikipedia
„Pair programming is an agile software development technique
in which two programmers work together at one workstation.
One, the driver, writes code while the other, the observer or navigator,
reviews each line of code as it is typed in.
The two programmers switch roles frequently.“

10. code-quality.de
 @FrankS
Wikipedia
„Pair programming is an agile software development technique
in which two programmers work together at one workstation.
One, the driver, writes code while the other, the observer or navigator,
reviews each line of code as it is typed in.
The two programmers switch roles frequently.“

11. code-quality.de
 @FrankS
Wikipedia
„Pair programming is an agile software development technique
in which two programmers work together at one workstation.
One, the driver, writes code while the other, the observer or navigator,
reviews each line of code as it is typed in.
The two programmers switch roles frequently.“

12. code-quality.de
 @FrankS
Wikipedia
„Pair programming is an agile software development technique
in which two programmers work together at one workstation.
One, the driver, writes code while the other, the observer or navigator,
reviews each line of code as it is typed in.
The two programmers switch roles frequently.“

13. code-quality.de
 @FrankS
Wikipedia
„Pair programming is an agile software development technique
in which two programmers work together at one workstation.
One, the driver, writes code while the other, the observer or navigator,
reviews each line of code as it is typed in.
The two programmers switch roles frequently.“

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 @FrankS
Simple, isn‘t it?

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Communication is key

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Some small factsSome small facts

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Pairing – what about speed and quality?

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About quality

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Pair programming might take some time

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Pair Programming methodsPair Programming methods

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How do you/did you pair?

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Pair thinking

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Traditional style
„I have an idea…
Give me the keyboard.“

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Strong style
„I have an idea…
Please take the keyboard.“

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Timed

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Ping Pong

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Mob Programming

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To pair or not to pairTo pair or not to pair

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Should we always pair?

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Typical ProblemsTypical Problems

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What problems can you think of?

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Too loud...

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Power struggle

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No communication

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My desk or yours?

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Give me some space

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Not switching partners

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Something to get startedSomething to get started

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Pair Programming Matrix

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Any other questions?

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Thank you!

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Links etc
● http://wiki.c2.com/?PairProgramming
● https://twitter.com/jvmieghem/status/877820188040634368
● https://collaboration.csc.ncsu.edu/laurie/research.htm
● https://collaboration.csc.ncsu.edu/laurie/Papers/dissertation.pdf
● http://alaverdyan.com/readme/2010/12/pair-programming-matrix-board/

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Images
● http://dilbert.com/strip/2003-01-09
● https://commons.wikimedia.org/wiki/File:Pair_Programming.jpg
● https://commons.wikimedia.org/wiki/File:Ping-pong.svg
● https://www.flickr.com/photos/spikeheap/13981640760
● https://www.flickr.com/photos/aka_kath/200991661
● https://www.flickr.com/photos/stuseeger/226628124