This Old App

What could renovating an old house have in common with upgrading an old app? Everything! Let me show you how this old house renovation project proceeds, from planning to scheduling, demolition to finishing, and how every stage directly relates the lessons learned from app upgrades over the course of my career.

Transcript

2. This old app Lori Olson @wndxlori RubyConf Houston 2022
3. Lori Olson @WNDXLORI Lethbridge, AB ! spouse of Trever scooter & K.C.’s mom
4. Lori Olson lori@WNDX.com developer, mentor, trainer founder of WNDX School Creator of 6 Pack Apps
5. warning some non-Ruby projects wi be mentioned
6. This old House
7. This old app
8. old houses and old apps what do they have in common?
9. Turns out, quite a bit especially when you are talking about upgrading/renovating
11. • Planning • Scheduling • Demolition • Construction • Finishing Stages of App upgrade? house upgrade?
12. challenges
13. Ceiling
14. skylights
16. Stick built
17. wasps
18. wasps
19. four nests
20. gaspac
21. random crashes
22. memory stomp
23. bug hunt
24. Borland C++ OWL
25. Off by 1 error
26. DEBUGGING ASSEMBLY CODE
27. why random?
28. 4 byte allocations
29. flooring
30. refinish vs replace
31. 4 different contractors
32. why?
33. really freaking difficult
34. really freaking difficult
35. replace
36. nglnow
37. upgrade failures
38. weblogic 5.1 -> 8
39. licensing
40. xml hell
41. deprecation happy
42. happy
43. fireplace
44. beautiful
45. over engineered & bulky
46. conversation pit, unusable
47. conversation pit, done right
48. racoons
49. i can see daylight
50. almost done
51. perfectly clear
52. Photo correction library
53. photoshop plugin
54. for mac
55. carbon vs cocoa
56. 8 vs 16 bit bugs
57. Adobe Photoshop SDK: 16 bit 27-Sep-09 10:55:08 AM 3.3 Plug-ins and 16 bit data 3.3.1 Why does my 16 bit plug-in only see values of 0 - 32768 and not 0 - 65535? Photoshop uses an internal representation of 16 bit data of 0 - 32768. When acquiring, importing, reading, or writing files check or set the maxValue in the parameter record. Filters will also see this range for 16 bit data. What is Evernote? Create an Evernote account
59. books/bookcases
60. so many books Lots and lots
61. so many books
62. so many books
63. so many books
64. order/structure
65. 55 boxes
66. garage storage
67. First half
68. Second half
70. etriever/welltriever
72. someone else’s data
73. ppdm
74. sql join hell
75. welltriever different
76. redis
77. async jobs
79. walls
80. paint over or replace?
81. discontinuities
82. RIP IT OUT
83. and REPLACE
84. wimby
86. Required updates
87. Removed from Store
88. unsupported gems
89. please no
90. asbestos
91. asbestos
92. aluminum wiring
93. Dodged that one
94. old rails apps
95. etriever
96. rails 0.13
97. roll your own authentication
98. roll your own authorization
99. roll your own job queues
100. passwords
101. passwords saved in the clear
102. passwords saved with reversible encryption
103. passwords logged as entered in log files "
104. Finishing
105. Nothing goes according to plan
107. As long as your app is in production
109. Interested in Mobile App development? Game Development? IN RUBY?!?! https://wndx.school