Coding Dojo/Coding Workshop at ITAKE unconference 2017.

1. A Mozaic Works signature event
Brutal Coding
Constraints
Peter Kofler, ‘Code Cop’
@codecopkofler
(Martin Klose @martinklose)
Copyright Peter Kofler, licensed under CC-BY.

2. Peter Kofler
• Ph.D. (Appl. Math.)
• Professional Software
Developer for 15+ years
• “fanatic about code quality”
• Freelance Code Mentor
PETER KOFLER, CODE-COP.ORG FANATIC ABOUT CODE QUALITY

3. I help development teams with
PETER KOFLER, CODE-COP.ORG FANATIC ABOUT CODE QUALITY
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Professionalism
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Quality and
Productivity
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Continuous
Improvement

4. Mentoring
PETER KOFLER, CODE-COP.ORG FANATIC ABOUT CODE QUALITY
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Pair Programming
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Programming
Workshops
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Deliberate
Practice, e.g.
Coding Dojos

5. Developing Quality
Software Developers

6. Brutal Constraints?
Expectations?

7. Coding Dojo Mindset
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Safe place outside
work
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We are here to learn
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Need to slow down
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Focus on doing it right
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Collaborative Game
PETER KOFLER, CODE-COP.ORG FANATIC ABOUT CODE QUALITY

8. Nathaniel Pryce, http://www.doc.ic.ac.uk/~np2/teaching/
Red Green Refactor

9. Tic-Tac-Toe
PETER KOFLER, CODE-COP.ORG FANATIC ABOUT CODE QUALITY

10. Assignment
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http://en.wikipedia.org/wiki/Tic-tac-toe
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Board 3x3
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X plays first, O plays second
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Implement
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2 Player Game
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Determine Winner
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AI Bot Player
PETER KOFLER, CODE-COP.ORG FANATIC ABOUT CODE QUALITY

11. Constraints
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Challenges during a dojo or coderetreat
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Moving to the extreme is a way of learning
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Examples
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Missing Tool (No Mouse, …)
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Missing Feature (No IFs, …)
PETER KOFLER, CODE-COP.ORG FANATIC ABOUT CODE QUALITY

12. “Brutal” Coding Constraint
PETER KOFLER, CODE-COP.ORG FANATIC ABOUT CODE QUALITY

13. Brutal Coding Constraints
1. No Conditionals (also no ?: )
2. No Loops
3. TDD as if You Meant It (optional)
4. No Naked Primitives (no Set/Map/List)
5. All functions return something
6. All data is immutable
PETER KOFLER, CODE-COP.ORG FANATIC ABOUT CODE QUALITY

14. Try it!

15. Short Retrospective
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How did it work out?
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How do you feel?
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What did you
learn and want
to share with
the group?
PETER KOFLER, CODE-COP.ORG FANATIC ABOUT CODE QUALITY

16. Peter Kofler
@codecopkofler
www.code-cop.org
and
Martin Klose
@martinklose
www.klosebrothers.de
PETER KOFLER, CODE-COP.ORG FANATIC ABOUT CODE QUALITY

17. CC Images
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Bruce http://www.flickr.com/photos/sherpas428/4350620602/
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pairing http://www.flickr.com/photos/dav/94735395/
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dojo http://www.flickr.com/photos/49715404@N00/3267627038/
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game http://www.flickr.com/photos/benclinch/476855843/
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Playmobil http://www.flickr.com/photos/williac/99551756/
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wants you http://www.flickr.com/photos/shutter/105497713/
PETER KOFLER, CODE-COP.ORG FANATIC ABOUT CODE QUALITY