David Heinemeier Hansson's RailsConf 2013 Opening Keynote

Transcript

2. Rails 4.0.0.rc1 rails/4-0-stable
3. Patterns of Basecamp’s Application Architecture
5. Good frameworks are extractions, not inventions
6. What would someone, somewhere, might want to do?
7. Other people are tackling the same problems as me
10. 2003 512MB $49 2013 8GB $29
15. Rails 2.3 2009
17. “Good Software Takes Ten Years. Get Used To It” Joel on Software, 2001
18. 0 150 300 450 600 2004 2005 2006 2007 2008 2009 2010 2011 2012 New contributors with their first commit to Rails
19. 0 225 450 675 900 2004 2005 2006 2007 2008 2009 2010 2011 2012 Total number of committers to Ruby on Rails per year
20. 1,068 authors have pushed 8,506 commits to all branches, excluding merges. On master, 253 files have changed and there have been 3,097 additions and 1,475 deletions
22. Purpose
25. Context
26. Dynamic hypertext documents
28. The HyperText Markup Language is more than just a delivery mechanism
29. Document GUI
30. Document GUI
35. Information Technology
36. Constraints are liberating
42. Embrace the document
43. Evolve the document
45. Key-based cache expiration (Or generational caching)
47. people/5-20080221090000 people/5-20071227180000 people/5-20071224150000
49. Russian Doll nested caching
55. Mean 59ms 90th 155ms 27ms Median 59ms 90th 155ms
56. JavaScript decoration of shared caches
57. 1:05pm
63. Turbolinks processs persistence
67. 20-70% speed increase (With server response between 1-1000ms)
68. Polling for JavaScript updates
70. views/comments/create.js.erb
71. 1 redis instance 6 Rainbow workers 100K RPM