The document outlines a coding dojo concept inspired by judo, focusing on continuous learning, collaboration, and practice among programmers. It emphasizes principles like TDD, a safe and non-competitive environment, and structured learning formats such as katas and randoris. General rules discourage competition and distractions, promoting an inclusive and supportive atmosphere for skill development.

1. Coding dojo
Based on Daniel Cukier, Danilo Sato and Roberto Rodrigues

2. Motivation
•Programmers don’t practice,
just work
•Continuous Learning
•Technical improvements

3. Background
• Inspired on judo, where
everyone practice together
• Repetitive and small
movements before real
execution

4. Principles
• Continuous Learning
• Safe environment
• Non-competitive
• Collaborative
• Inclusive and welcoming
• Baby Steps

5. Learnings

6. General Rules
• TDD (Red > Green > Refactor)
• Everyone must understand and should be able to follow
• Always start from scratch

7. Retrospective
10-15 min
• What we’ve learned?
• What have worked and must continue?
• What could be improved
• Discussions and comments

8. Formats
Kata
• Presentation of a solution
• Everyone should be able to
reproduce
• Interruptions allowed
Randori
• Pair programming
• Time boxed rounds (5-7
min)
• Rotation between driver,
navigator and audicence
• Comments and suggestions
only on green
• Silence on red
Kake
• Simultaneous pairs
• Similar to several parallel
Randori
• Every round, all pairs
changes

9. The don’t of a dojo
• Don’t run to finish a solution
• Don’t take a real problem
• Don’t get in flamewars in discussions
• Don’t create competitions
• Don’t let anyone lost

10. Silence and let’s
begin