Pair Programming

Pair Programming

Pawel Pierzchala @zwrozka

XP

Why?

Fun

Less frustration

More focused

Less bugs

Higher quality

Continuous code review

Collective code ownership

Problems

Too much talking

Synchronization

Environment

Vim vs Emacs

Pairs

Tips

Keyboards are cheap

Keeping the focus

Switch roles often

Red Green Refactor

Red Green Refactor

Switch pairs daily

Exercise

Same problem

Practice cycle

Practice switching

IDE

Start with simple requirement

I + I = II

Communicate with good descriptions

Talk is cheap. Show me the code.

Links

Pair Programming vs. Code Review

Does pair programming work?