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A Mozaic Works signature event
Brutal Coding
Constraints
Peter Kofler, ‘Code Cop’
@codecopkofler
(Martin Klose @martinklose)
Copyright Peter Kofler, licensed under CC-BY.
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
I help development teams with
PETER KOFLER, CODE-COP.ORG FANATIC ABOUT CODE QUALITY
●
Professionalism
●
Quality and
Productivity
●
Continuous
Improvement
Mentoring
PETER KOFLER, CODE-COP.ORG FANATIC ABOUT CODE QUALITY
●
Pair Programming
●
Programming
Workshops
●
Deliberate
Practice, e.g.
Coding Dojos
Developing Quality
Software Developers
Brutal Constraints?
Expectations?
Coding Dojo Mindset
●
Safe place outside
work
●
We are here to learn
●
Need to slow down
●
Focus on doing it right
●
Collaborative Game
PETER KOFLER, CODE-COP.ORG FANATIC ABOUT CODE QUALITY
Nathaniel Pryce, http://www.doc.ic.ac.uk/~np2/teaching/
Red Green Refactor
Tic-Tac-Toe
PETER KOFLER, CODE-COP.ORG FANATIC ABOUT CODE QUALITY
Assignment
●
http://en.wikipedia.org/wiki/Tic-tac-toe
●
Board 3x3
●
X plays first, O plays second
●
Implement
●
2 Player Game
●
Determine Winner
●
AI Bot Player
PETER KOFLER, CODE-COP.ORG FANATIC ABOUT CODE QUALITY
Constraints
●
Challenges during a dojo or coderetreat
●
Moving to the extreme is a way of learning
●
Examples
●
Missing Tool (No Mouse, …)
●
Missing Feature (No IFs, …)
PETER KOFLER, CODE-COP.ORG FANATIC ABOUT CODE QUALITY
“Brutal” Coding Constraint
PETER KOFLER, CODE-COP.ORG FANATIC ABOUT CODE QUALITY
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
Try it!
Short Retrospective
●
How did it work out?
●
How do you feel?
●
What did you
learn and want
to share with
the group?
PETER KOFLER, CODE-COP.ORG FANATIC ABOUT CODE QUALITY
Peter Kofler
@codecopkofler
www.code-cop.org
and
Martin Klose
@martinklose
www.klosebrothers.de
PETER KOFLER, CODE-COP.ORG FANATIC ABOUT CODE QUALITY
CC Images
●
Bruce http://www.flickr.com/photos/sherpas428/4350620602/
●
pairing http://www.flickr.com/photos/dav/94735395/
●
dojo http://www.flickr.com/photos/49715404@N00/3267627038/
●
game http://www.flickr.com/photos/benclinch/476855843/
●
Playmobil http://www.flickr.com/photos/williac/99551756/
●
wants you http://www.flickr.com/photos/shutter/105497713/
PETER KOFLER, CODE-COP.ORG FANATIC ABOUT CODE QUALITY

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Brutal Coding Constraints (ITAKE 2017)