The Rich, Flowers, and Piles of Sh%#t - And What To Do About It

tl;dr: the single responsibility pattern is a good idea.

A lightning talk discussion of the problem of preferential attachment in software development. Presented at the Boulder Ruby group.

Transcript

1. THE RICH, FLOWERS, PILES OF S%#T
   —
   
   AND WHAT TO DO ABOUT IT
   Stephan Hagemann
   

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5. https://en.wikipedia.org/wiki/Preferential_attachment
   

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6. …any of a class of processes in
   which some quantity, typically some
   form of wealth or credit, is
   distributed among a number of
   individuals or objects according to
   how much they already have, so
   that those who are already
   wealthy receive more than those
   who are not.
   

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7. …so that those who are
   already wealthy receive more
   than those who are not.
   

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13. LARGE RAILS CODEBASES
    • browsercms
    
    • calagator
    
    • canvas-lms
    
    • citizenry
    
    • diaspora
    
    • engine
    
    • fat_free_crm
    
    • fulcrum
    
    • loc_counts
    
    • onebody
    • opencongress
    
    • opengovernment
    
    • portlandcrime
    
    • railscollab
    
    • rubygems.org
    
    • skyline
    
    • snorby
    
    • spot-us
    • spree
    
    • teambox
    
    • tracks
    

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14. find app/models lib -iname "*.rb" -type f -exec wc -l {} \;
    
    |
    
    sort -r
    
    |
    
    awk '{print $1}'
    

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18. –Stephan Hagemann
    “So, what do you do about it?”
    

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19. BILL?
    

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20. BILL!
    720000 kids
    

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21. FLOWERS?
    

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22. FLOWERS!
    

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23. YOUR CODE?
    

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24. YOUR CODE!
    

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25. START HERE:
    S ingle Responsibility Principle
    
    O
    L
    I
    D
    

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