PAIR PROGRAMMING &APPLICATION TO GD

Nguyen Quang Vu

Content• What Pair Programming?• Why Pair Programming?• How Pair Programming?• Application to GD

What Pair ProgrammingAgile Developement - Extreme Programming

What Pair Programming• 2 Devs - 1 Task• 1 Workstation• Switch often

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"Each member performs the action the other is not currently doing"

According to http://c2.com/cgi/wiki?PairProgramming

What Pair Programming• Opposite of lean development• 15% more programmer-hours• 15% less bugs/better code

According to http://www.cs.utah.edu/~lwilliam/Papers/ieeeSoftware.PDF

Content• What Pair Programming?• Why Pair Programming?• How Pair Programming?• Application to GD

Why Pair Programming• Built-in peer review

Why Pair Programming• Built in peer review• Better thoughtout code

Better focus

Why Pair Programming• Built in peer review• Better thoughtout code• Earlier errors catching

Why Pair Programming• Built in peer review• Better thoughtout code• Earlier errors catching• Better knowledge sharing

Pair Programming Objections• "It's distracting. It interrupts my flow and concentration."• "It's wasteful. We might not spend twice as long, but we'll

certainly spend longer!"• "The other guy thinks too quickly, I cannot follow his

thinking."• "The other guy thinks too slowly, I don't want to be a

teacher all day long!"

According to http://c2.com/cgi/wiki?PairProgrammingDoubts

Content• What Pair Programming?• Why Pair Programming?• How Pair Programming?• Application to GD

How Pair Programming• Pair match-up

Expert- Expert Expert- Novice Novice- Novice

EffectivenessCreativenessDevelopment

Peer PeerMentoring

According to http://www.cs.utexas.edu/users/mckinley/305j/pair-hcs-2006.pdf

Pair works• Same concept/structure• Common Pair work

– HR– Finance– Education

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Content• What Pair Programming?• Why Pair Programming?• How Pair Programming?• Application to GD

Application to GD• Pair: Trung 4 - Vu 2• Project: IAA + Cars• 30 min switch period

THANK YOUQ&A