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Breaking Rules:
             Five rules
     of software development
   that were made to be broken
Brendan Humphreys and Matt Quail, Atlassian
#1 DTSTTCPW
#1 DTSTTCPW


“Do the simplest thing that could possibly work”
#1 DTSTTCPW


“Do the simplest thing that could possibly work”

“Do the simplest thing that could possibly work” ✘
#1 DTSTTCPW


“Do the simplest thing that could possibly work”

“Do the simplest thing that could possibly work” ✘

DTSTTCPW. BUT NO SIMPLER ✔
#2 Design for reuse
#2 Design for reuse


Design for reuse ✘
#2 Design for reuse


Design for reuse ✘

Refactor for reuse ✔
#3 Only hire the smartest
       engineers
#3 Only hire the smartest
       engineers


 Only hire the smartest engineers ✘
#3 Only hire the smartest
       engineers


 Only hire the smartest engineers ✘

 Hire well rounded teams ✔
#4 Premature optimization
   is the root of all evil
#4 Premature optimization
   is the root of all evil


  Premature optimization is the root of all evil ✘
#4 Premature optimization
   is the root of all evil


  Premature optimization is the root of all evil ✘

  Be mindful of performance, donʼt leave it until too late ✔
#5 The customer is
   always right
#5 The customer is
     always right
The customer is always right ✘
#5 The customer is
     always right
The customer is always right ✘
#5 The customer is
     always right
The customer is always right ✘




Delight your customer with transparency and
consistency ✔
“Do the simplest thing that could possibly work” ✘

 •   DTSTTCPW. BUT NO SIMPLER ✔

Design for reuse ✘

 •   Refactor for reuse ✔

Only hire the smartest engineers ✘

 •   Hire well rounded teams ✔

Premature optimization is the root of all evil ✘

 •   Be mindful of performance, donʼt leave it until too late ✔

The customer is always right ✘

 •   Delight your customer with transparency and consistency ✔
“Be Wary Of Rules In Software Engineering”
                         - Brendan & Matt, 2009

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Charlie Talk - Breaking Rules

  • 1. Breaking Rules: Five rules of software development that were made to be broken Brendan Humphreys and Matt Quail, Atlassian
  • 2.
  • 3.
  • 5. #1 DTSTTCPW “Do the simplest thing that could possibly work”
  • 6. #1 DTSTTCPW “Do the simplest thing that could possibly work” “Do the simplest thing that could possibly work” ✘
  • 7. #1 DTSTTCPW “Do the simplest thing that could possibly work” “Do the simplest thing that could possibly work” ✘ DTSTTCPW. BUT NO SIMPLER ✔
  • 9. #2 Design for reuse Design for reuse ✘
  • 10. #2 Design for reuse Design for reuse ✘ Refactor for reuse ✔
  • 11. #3 Only hire the smartest engineers
  • 12. #3 Only hire the smartest engineers Only hire the smartest engineers ✘
  • 13. #3 Only hire the smartest engineers Only hire the smartest engineers ✘ Hire well rounded teams ✔
  • 14. #4 Premature optimization is the root of all evil
  • 15. #4 Premature optimization is the root of all evil Premature optimization is the root of all evil ✘
  • 16. #4 Premature optimization is the root of all evil Premature optimization is the root of all evil ✘ Be mindful of performance, donʼt leave it until too late ✔
  • 17. #5 The customer is always right
  • 18. #5 The customer is always right The customer is always right ✘
  • 19. #5 The customer is always right The customer is always right ✘
  • 20. #5 The customer is always right The customer is always right ✘ Delight your customer with transparency and consistency ✔
  • 21. “Do the simplest thing that could possibly work” ✘ • DTSTTCPW. BUT NO SIMPLER ✔ Design for reuse ✘ • Refactor for reuse ✔ Only hire the smartest engineers ✘ • Hire well rounded teams ✔ Premature optimization is the root of all evil ✘ • Be mindful of performance, donʼt leave it until too late ✔ The customer is always right ✘ • Delight your customer with transparency and consistency ✔
  • 22. “Be Wary Of Rules In Software Engineering” - Brendan & Matt, 2009