Sandi Metz: Rules

Transcript

1. @sandimetz Jan 2014 Sandi Metz Rules Tuesday, January 14, 14
2. @sandimetz Jan 2014 taboos Tuesday, January 14, 14
3. @sandimetz Jan 2014 Tuesday, January 14, 14
4. @sandimetz Jan 2014 laws Tuesday, January 14, 14
5. @sandimetz Jan 2014 Tuesday, January 14, 14
6. @sandimetz Jan 2014 norms Tuesday, January 14, 14
7. @sandimetz Jan 2014 Tuesday, January 14, 14
8. @sandimetz Jan 2014 obedience? Tuesday, January 14, 14
9. @sandimetz Jan 2014 1 self interest Tuesday, January 14, 14
10. @sandimetz Jan 2014 Tuesday, January 14, 14
11. @sandimetz Jan 2014 2 identity status Tuesday, January 14, 14
12. @sandimetz Jan 2014 Tuesday, January 14, 14
13. @sandimetz Jan 2014 Tuesday, January 14, 14
14. @sandimetz Jan 2014 Tuesday, January 14, 14
15. @sandimetz Jan 2014 Tuesday, January 14, 14
16. @sandimetz Jan 2014 Tuesday, January 14, 14
17. @sandimetz Jan 2014 3 authority Tuesday, January 14, 14
18. @sandimetz Jan 2014 Tuesday, January 14, 14
19. @sandimetz Jan 2014 Tuesday, January 14, 14
20. @sandimetz Jan 2014 Tuesday, January 14, 14
21. @sandimetz Jan 2014 4 order Tuesday, January 14, 14
22. @sandimetz Jan 2014 Tuesday, January 14, 14
23. @sandimetz Jan 2014 Tuesday, January 14, 14
24. @sandimetz Jan 2014 Tuesday, January 14, 14
25. @sandimetz Jan 2014 5 social sanctions Tuesday, January 14, 14
26. @sandimetz Jan 2014 Tuesday, January 14, 14
27. @sandimetz Jan 2014 6 inherent sanctions Tuesday, January 14, 14
28. @sandimetz Jan 2014 Tuesday, January 14, 14
29. @sandimetz Jan 2014 7 ignorance Tuesday, January 14, 14
30. @sandimetz Jan 2014 Tuesday, January 14, 14
31. @sandimetz Jan 2014 8 habit Tuesday, January 14, 14
32. @sandimetz Jan 2014 Tuesday, January 14, 14
33. @sandimetz Jan 2014 Tuesday, January 14, 14
34. @sandimetz Jan 2014 Tuesday, January 14, 14
35. @sandimetz Jan 2014 taboos laws norms Tuesday, January 14, 14
36. @sandimetz Jan 2014 self interest identity/status authority order social sanctions inherent sanctions ignorance habit Tuesday, January 14, 14
37. @sandimetz Jan 2014 5 Rules Tuesday, January 14, 14
38. @sandimetz Jan 2014 5 Constraints Tuesday, January 14, 14
39. @sandimetz Jan 2014 100 lines per class Tuesday, January 14, 14
40. @sandimetz Jan 2014 5 lines per method Tuesday, January 14, 14
41. @sandimetz Jan 2014 4 parameters per method Tuesday, January 14, 14
42. @sandimetz Jan 2014 1 instance var per rails view Tuesday, January 14, 14
43. @sandimetz Jan 2014 2 class names per rails controller action Tuesday, January 14, 14
44. @sandimetz Jan 2014 2 class names per rails controller action (business, presenter) Tuesday, January 14, 14
45. @sandimetz Jan 2014 Tuesday, January 14, 14
46. @sandimetz Jan 2014 Dispensation? Tuesday, January 14, 14
47. @sandimetz Jan 2014 Dispensation? Convince your pair!* sdf *Rule #6 Tuesday, January 14, 14
48. @sandimetz Jan 2014 100 lines per class    5 lines per method    4 params per method    1 ivar per view    2 class names per controller action No More Than Tuesday, January 14, 14
49. @sandimetz Jan 2014 consequences Tuesday, January 14, 14
50. @sandimetz Jan 2014 bias towards small objects Tuesday, January 14, 14
51. @sandimetz Jan 2014 bias towards POROs Tuesday, January 14, 14
52. @sandimetz Jan 2014 bias away from dependencies Tuesday, January 14, 14
53. @sandimetz Jan 2014 rule qualities Tuesday, January 14, 14
54. @sandimetz Jan 2014 arbitrary cut-offs Tuesday, January 14, 14
55. @sandimetz Jan 2014 consistent goals Tuesday, January 14, 14
56. @sandimetz Jan 2014 tension Tuesday, January 14, 14
57. @sandimetz Jan 2014 objects Tuesday, January 14, 14
58. @sandimetz Jan 2014 objects vs Tuesday, January 14, 14
59. @sandimetz Jan 2014 objects vs procedures Tuesday, January 14, 14
60. @sandimetz Jan 2014 objects vs procedures Tuesday, January 14, 14
61. @sandimetz Jan 2014 objects vs procedures Tuesday, January 14, 14
62. @sandimetz Jan 2014 perspective Tuesday, January 14, 14
63. @sandimetz Jan 2014 Rails app Tuesday, January 14, 14
64. @sandimetz Jan 2014 Rails app vs Tuesday, January 14, 14
65. @sandimetz Jan 2014 Rails app vs application that uses Rails Tuesday, January 14, 14
66. @sandimetz Jan 2014 why follow rules? Tuesday, January 14, 14
67. @sandimetz Jan 2014 self interest Tuesday, January 14, 14
68. @sandimetz Jan 2014 signal others? Tuesday, January 14, 14
69. @sandimetz Jan 2014 research Tuesday, January 14, 14
70. @sandimetz Jan 2014 Erik O. Kimbrough Alexander Vostroknutov Tuesday, January 14, 14
71. @sandimetz Jan 2014 Using Rules to Screen for Cooperative Types: Rule-Following and Restraint in Common Pool Resource Systems Tuesday, January 14, 14
72. @sandimetz Jan 2014 Using Rules to Screen for Cooperative Types: Rule-Following and Restraint in Common Pool Resource Systems Tuesday, January 14, 14
73. @sandimetz Jan 2014 study Tuesday, January 14, 14
74. @sandimetz Jan 2014 study part 1 Tuesday, January 14, 14
75. @sandimetz Jan 2014 identify followers vs breakers Tuesday, January 14, 14
76. @sandimetz Jan 2014 Tuesday, January 14, 14
77. @sandimetz Jan 2014 Task: Walk---------> Tuesday, January 14, 14
78. @sandimetz Jan 2014 Task: Walk---------> Tuesday, January 14, 14
79. @sandimetz Jan 2014 Task: Walk---------> Tuesday, January 14, 14
80. @sandimetz Jan 2014 given 8€ Tuesday, January 14, 14
81. @sandimetz Jan 2014 lose .08€ per second Tuesday, January 14, 14
82. @sandimetz Jan 2014 red light = 5 seconds Tuesday, January 14, 14
83. @sandimetz Jan 2014 “Wait for green light.” Tuesday, January 14, 14
84. @sandimetz Jan 2014 some folks Tuesday, January 14, 14
85. @sandimetz Jan 2014 Tuesday, January 14, 14
86. @sandimetz Jan 2014 Tuesday, January 14, 14
87. @sandimetz Jan 2014 Tuesday, January 14, 14
88. @sandimetz Jan 2014 Tuesday, January 14, 14
89. @sandimetz Jan 2014 Tuesday, January 14, 14
90. @sandimetz Jan 2014 Tuesday, January 14, 14
91. @sandimetz Jan 2014 Tuesday, January 14, 14
92. @sandimetz Jan 2014 Tuesday, January 14, 14
93. @sandimetz Jan 2014 etc... Tuesday, January 14, 14
94. @sandimetz Jan 2014 other folks Tuesday, January 14, 14
95. @sandimetz Jan 2014 Tuesday, January 14, 14
96. @sandimetz Jan 2014 Tuesday, January 14, 14
97. @sandimetz Jan 2014 study part 2 Tuesday, January 14, 14
98. @sandimetz Jan 2014 separate into like groups Tuesday, January 14, 14
99. @sandimetz Jan 2014 play cooperative game Tuesday, January 14, 14
100. @sandimetz Jan 2014 Tuesday, January 14, 14
101. @sandimetz Jan 2014  4 players Tuesday, January 14, 14
102. @sandimetz Jan 2014  4 players 10 rounds Tuesday, January 14, 14
103. @sandimetz Jan 2014  4 players 10 rounds draw tokens Tuesday, January 14, 14
104. @sandimetz Jan 2014 Tuesday, January 14, 14
105. @sandimetz Jan 2014 Tuesday, January 14, 14
106. @sandimetz Jan 2014 ∞ Tuesday, January 14, 14
107. @sandimetz Jan 2014 1 1 1 1 ∞ Tuesday, January 14, 14
108. @sandimetz Jan 2014 1 1 1 1 ∞ Tuesday, January 14, 14
109. @sandimetz Jan 2014 1 1 1 1 360 ∞ Tuesday, January 14, 14
110. @sandimetz Jan 2014 1 1 1 1 360 2 ∞ Tuesday, January 14, 14
111. @sandimetz Jan 2014 each player draws 60 tokens per round Tuesday, January 14, 14
112. @sandimetz Jan 2014 Round 1 Tuesday, January 14, 14
113. @sandimetz Jan 2014 Round 1 120 Tuesday, January 14, 14
114. @sandimetz Jan 2014 120 Regeneration Tuesday, January 14, 14
115. @sandimetz Jan 2014 120 * .5 Regeneration Tuesday, January 14, 14
116. @sandimetz Jan 2014 180 Regeneration Tuesday, January 14, 14
117. @sandimetz Jan 2014 Regeneration Tuesday, January 14, 14
118. @sandimetz Jan 2014 Regeneration Tuesday, January 14, 14
119. @sandimetz Jan 2014 30 Regeneration Tuesday, January 14, 14
120. @sandimetz Jan 2014 30 Regeneration Tuesday, January 14, 14
121. @sandimetz Jan 2014 Round 2 180 remain?? Tuesday, January 14, 14
122. @sandimetz Jan 2014 Round 2 180 - 30 = 150 Tuesday, January 14, 14
123. @sandimetz Jan 2014 Round 2 180 - 30 = 150 150 / 4 = 37.5 Tuesday, January 14, 14
124. @sandimetz Jan 2014 Round 2 37! Tuesday, January 14, 14
125. @sandimetz Jan 2014 180 Round 2 1 1 1 1 2 Tuesday, January 14, 14
126. @sandimetz Jan 2014 Round 2 Tuesday, January 14, 14
127. @sandimetz Jan 2014 Round 2 32 Tuesday, January 14, 14
128. @sandimetz Jan 2014 32 Regeneration Tuesday, January 14, 14
129. @sandimetz Jan 2014 32 * .5 Regeneration Tuesday, January 14, 14
130. @sandimetz Jan 2014 48 Regeneration Tuesday, January 14, 14
131. @sandimetz Jan 2014 (current - 30) / 4 Tuesday, January 14, 14
132. @sandimetz Jan 2014 Round 3 4 Tuesday, January 14, 14
133. @sandimetz Jan 2014 results Tuesday, January 14, 14
134. @sandimetz Jan 2014 followers Tuesday, January 14, 14
135. @sandimetz Jan 2014 followers cooperate for mutual long term gain Tuesday, January 14, 14
136. @sandimetz Jan 2014 breakers Tuesday, January 14, 14
137. @sandimetz Jan 2014 breakers throw team under bus Tuesday, January 14, 14
138. @sandimetz Jan 2014 60! 60! 60! 60! Tuesday, January 14, 14
139. @sandimetz Jan 2014 mixed groups Tuesday, January 14, 14
140. @sandimetz Jan 2014 mixed groups behave like breaker groups Tuesday, January 14, 14
141. @sandimetz Jan 2014 30! 30! 30! 50! Tuesday, January 14, 14
142. @sandimetz Jan 2014 50! Tuesday, January 14, 14
143. @sandimetz Jan 2014 60! 60! 60! 50! Tuesday, January 14, 14
144. @sandimetz Jan 2014 consequences (reprise) Tuesday, January 14, 14
145. @sandimetz Jan 2014 bias towards small objects Tuesday, January 14, 14
146. @sandimetz Jan 2014 bias towards POROs Tuesday, January 14, 14
147. @sandimetz Jan 2014 bias away from dependencies Tuesday, January 14, 14
148. @sandimetz Jan 2014 bias towards collaboration Tuesday, January 14, 14
149. @sandimetz Jan 2014 bias towards collaboration Tuesday, January 14, 14
150. @sandimetz Jan 2014 self interest identity/status authority order social sanctions inherent sanctions ignorance habit Tuesday, January 14, 14
151. @sandimetz Jan 2014 9 signal cooperation Tuesday, January 14, 14
152. @sandimetz Jan 2014 rules matter Tuesday, January 14, 14
153. @sandimetz Jan 2014 write better software Tuesday, January 14, 14
154. @sandimetz Jan 2014 find trustworthy humans Tuesday, January 14, 14
155. @sandimetz Jan 2014 Thanks Tuesday, January 14, 14
156. @sandimetz Jan 2014 Credits http://www.flickr.com/photos/paul-w-locke/1792803096/ Cannibal Pumpkins http://www.flickr.com/photos/john_pp/3155064087/ 100K Speed limit sign on cliff with hiker http://www.flickr.com/photos/paphio/272769602/ Cops cheek kissing http://www.flickr.com/photos/pixel8-rcrd/5791227393/ kid winning contest http://www.flickr.com/photos/fluffy_steve/2537798898/ two goths http://www.flickr.com/photos/bobjagendorf/3064198102/ wall street shuffle http://www.flickr.com/photos/pdsphil/278060802/ rubyconf room 2006 http://www.flickr.com/photos/danicuki/6319528505/ konstanin and jose http://www.flickr.com/photos/lucasrenan/5142409437/ 3 ruby nerds, 10/26/2010 http://www.flickr.com/photos/85529750@N00/5200928365/ pope barcelona http://www.flickr.com/photos/nathaninsandiego/3783772122/ umpire http://www.flickr.com/photos/rrrodrigo/4664885112/ matz http://www.flickr.com/photos/85529750@N00/5200928365/ pope barcelona http://www.flickr.com/photos/nathaninsandiego/3783772122/ umpire http://www.flickr.com/photos/rrrodrigo/4664885112/ matz http://www.flickr.com/photos/z_wenjie/7820625836 pansies http://www.flickr.com/photos/haikugirl/4813516858/ trees http://www.flickr.com/photos/emsef/2407145479/ bus stop queue http://www.flickr.com/photos/theretrographer/9228096325/ rows of jail cells brightly lit Tuesday, January 14, 14
157. @sandimetz Jan 2014 Credits http://www.flickr.com/photos/jakebouma/102485568/ Car cliff warning http://www.flickr.com/photos/burge009/5215723703/ free tatoos http://www.flickr.com/photos/singularitysummit/6261754179/ one swarming robot http://www.flickr.com/photos/singularitysummit/6262287656/ swarming robots swarming http://www.flickr.com/photos/osakasteve/17178084/ swarming robots in a line http://en.wikipedia.org/wiki/Social_rule_system_theory Kinbrough, Erik O., Vosroknutov, Alexander (2012 draft), Using Rules to Screen for Cooperative Types: Rule-Following and Restraint in Common Pool Resource Systems Tuesday, January 14, 14
158. http://poodr.com Sandi Metz @sandimetz @sandimetz Jan 2014 Tuesday, January 14, 14
159. @sandimetz Jan 2014 3-day public OOP class, Durham March 12-14, 2014 http://sandimetz.com Tuesday, January 14, 14
160. @sandimetz Jan 2014 3-day public OOP class, Durham March 12-14, 2014 http://sandimetz.com * triangle.rb discount * http://bit.ly/mar2014_99bottles Tuesday, January 14, 14
161. @sandimetz Jan 2014 Questions? Tuesday, January 14, 14
162. http://poodr.com Sandi Metz @sandimetz @sandimetz Jan 2014 Tuesday, January 14, 14