The document discusses the concept of a coding dojo, which is a collaborative environment for developers to practice programming skills through challenges rather than competition. It explains the idea of 'code kata', a practice exercise designed to improve coding skills through repetition, along with two specific types: TDD kata and Randori kata, which involve different approaches to coding and testing. The goal is to provide a safe and enjoyable space for improvement and learning in programming.

1. Coding Dojo
@Innoveo
22.10.2013
Laurent Kempé
© INNOVEO SOLUTIONS AG /

2. 02 DOJO ?/
 Wikipedia definition
A dojo (道場 dōjō) is a Japanese
term which literally means
"place of the way“
Formal gathering place for
students of any Japanese
martial arts
 Safe place to practice
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3. 02 CODING DOJO ?/
 Developers get together to work on a programming challenge
 Goals
Have fun
Improve skills by practicing
Learn / Improve techniques
Collaborative
 It is not
A competition
Neither a show
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4. 02 KATA, CODE KATA /
 Kata (型 or 形 literally: "form") is a Japanese word
describing detailed choreographed patterns
of movements practiced either
solo or in pairs
 Code Kata is a term coined by
Dave Thomas, co-author of the book
The Pragmatic Programmer
 Code Kata is an exercise in
programming which helps a programmer hone their skills
through practice and repetition
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5. 02 TDD KATA /
 Start from scratch
 Not necessarily solve the problem
 TDD
Red
Writing a failing test
Run test to see it fails
Write minimal code to pass test
Run test to see it pass
Refactor
Refactor
Green
Repeat
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6. 02 RANDORI KATA /
PAIR PROGRAMMING
 Code in pair
 Pilot and Copilot
 Principle
One write a first test, then pass the keyboard
Other write minimal code to pass the test
Write the next test, then pass the keyboard
Continue till the problem is solved or the time is passed
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