But first

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Why do we write bad code?

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When do we write bad code?

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Pressure

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Have to get it done!

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“Get It Done”vs

“Do It Right”

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Hack Away At Code

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An idea

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Constant Pressure

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Every Month, in fact

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Sound Familiar?

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Agile?

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Corey Haines

Journeyman Developer

coreyhaines@gmail.com

www.coreyhaines.com

That’s Me!

@coreyhaines

Saturday, May 23, 2009

The Craftsman Developerwhy you need to be one

Corey Hainespresented by

at

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or

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Why Agile Can Fail

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Naked Scrum

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Scrum Assumption

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DevelopersSelf-Organize

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Responsible Developers

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Usual Process

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Beautiful System

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Add a feature

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Add a new feature

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Change a feature

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Time Passes

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Look Familiar

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Add a new feature

How?

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Crap Code

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Software Gardener

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Saturday, May 23, 2009

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Constant Cleaning

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Emergent Design

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Add a feature

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Clean It Up

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Add a new feature

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Clean It Up

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Change a feature

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Time Passes

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Clean Architecture

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Over Time

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How do you do this?

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Extreme Programming(XP)

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Development Techniques

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Why don’t we do them?

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We don’t know how

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How do you learn to do it?

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Emergent Design / Evolutionary Design

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Over Time

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Test-Driven Development

(TDD)

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How do we learn?

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Work != Practice

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Agilists assume Craftsmanship, only few people pursue craftsmanship

- Jurgen Appeloearlier today

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How do we practice?

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Software Craftsmanshiphttp://manifesto.softwarecraftsmanship.org/

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Continual Learning

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Deliberate Practice

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Practice Techniques

Code KataCoding Dojo

Code RetreatAcceptance Test-based

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Coding Dojo

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Kata

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Performed Kata

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Code Retreat

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Acceptance Test-Based

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Practice

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Minimize Distance Between “Get it Done”

and “Do it Right”

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Stop Writing Crap

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Thank You!

Contact Information:www.coreyhaines.com

Thanks to

Saturday, May 23, 2009