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Mob Programming: The Whole is Greater Than the Sum Of its parts Natasha Carlyon @nscarlyon natasha.carlyon@greatersum.com Software Engineer at Greater Sum

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My Experiences

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What is Mob Programming?

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Three or more developers Same Problem Same Time Same Computer Woody Zuill

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Personal Space

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Mobbing Timer 8 Minutes 3~6 Developers

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Driver and Navigator

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"For an idea to go from your head into the computer, it MUST go through someone else's hands" Llewellyn Falco

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Intent Location Detail

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Mob programming is not or programming with an

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The Mobber Actively Listens Asks questions Contributes

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Other Mobbers

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Mob Programming: The Role Playing Game https://github.com/willemlarsen/mobprogrammingrpg

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The Automationist

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The Nose

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Researcher

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Sponsor

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Rear Admiral

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Workshop

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Mob Programming: The Role Playing Game https://github.com/willemlarsen/mobprogrammingrpg

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Benefits

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Higher Quality of Code

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Multiple Eyes

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Readability

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“Indeed, the ratio of time spent reading versus writing is well over 10 to 1. We are constantly reading old code as part of the effort to write new code. ...[Therefore,] making it easy to read makes it easier to write.” Robert C. Martin, Clean Code: A Handbook of Agile Software Craftsmanship

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Coding Standards

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Bugs

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No Standups! Less Meetings!

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Communication

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Avoid Miscommunication

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Increased “Lottery Factor”

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No Delegation Lottery Factor > 1 Vacation

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Shared Ownership

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The mob succeeds and fails together.

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Big Picture

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Shared Learning

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Explicit Learning Vs. Implicit Learning

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Explicit Learning -

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Explicit Learning Angular 2 and Typescript Webstorm

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Implicit Learning

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Implicit Learning Design Patterns Problem Solving Research Refactoring Code Smells

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Pair Programming vs Mob Programming

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Environment

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Trust

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“When there is trust, conflict becomes nothing but the pursuit of truth, an attempt to find the best possible answer.” Patrick Lencioni, The Advantage: Why Organizational Health Trumps Everything Else In Business

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No conflict is always unhealthy

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Humility

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“True humility is not thinking less of yourself; it is thinking of yourself less.” C.S Lewis

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Accept you will make mistakes Accept others will make mistakes

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Aristotle “The whole is greater than the sum of its parts.” 1 + 1 = 2

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“The whole is greater than the sum of its parts.”

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Join us for a day of coding! March 17 Mob programming Intro to Test Driven Development Refactoring challenges Getting started with Exercism.io and more! Greater Sum @thegreatersum http://www.greatersum.com Software Craftsmanship Day by Greater Sum

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Resources Timer: https://github.com/MobProgramming/MobTimer.Python RPG: https://github.com/willemlarsen/mobprogrammingrpg Mobster Timer with RPG: https://github.com/dillonkearns/mobster Video: https://youtu.be/dVqUcNKVbYg Woody Zuill: http://zuill.us/WoodyZuill/ Pexel: https://www.pexels.com/ The Noun Project: Alina Oleynik, Guru, Mello, Chanut is Industries, Delwar Hossain, Davo Sime, Felix Westphal, Andrey, abeldb, Gregor Cresnar, M.J. MoneyMaker, Laymik, Ralf Schmitzer, Rflor, Kamal, Gilbert Bages

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Greater Sum @thegreatersum http://www.greatersum.com

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Natasha Carlyon @nscarlyon natasha.carlyon@gmail.com https://speakerdeck.com/nscarlyon/mob-programming (search Natasha Carlyon on Speaker Deck or LinkedIn)