The document discusses how motivation is the single greatest influence on performance and productivity. It advocates for optimizing happiness by creating beautiful code through conventions over configuration. Following conventions and constraints can increase flexibility and be liberating. The Ruby on Rails framework aims to provide structure, consistency, and beauty to increase productivity through agile practices like testing, migrations, and domain models.

1. Happy programming with
Ruby on Rails
David Heinemeier Hansson

2. Introducing a silver bullet

3. Motivation

4. Motivation is undoubtedly the
single greatest influence on how
well people perform. Most
productivity studies have found
that motivation has a stronger
influence on productivity than
any other factor.
Steve McConnel, Rapid Development

5. Motivation comes
from happiness

6. Optimize for happiness

7. How?

8. Beautiful code

10. Your application is not
a unique snowflake

11. What most people do the
same most of the time

12. Convention
over
Configuration

24. http://app/weblog
/app/views/weblog

25. http://app/weblog/show/5
/app/views/weblog/show.rhtml

27. Flexibility is overrated

28. Constraints are liberating

29. Doing the right thing

32. Conventions

33. Conventions
Invitations

34. Conventions
Invitations
Opportunities

35. Conventions
Invitations
Opportunities
Expectations

36. More beauty

49. Finding the fit

50. You feel the hurt
Lack of structure and consistency
Degrading productivity over time
Overburdened by complexity

51. You appreciate agile
Unit and functional testing
Domain models
Database migrations

52. You can skip the vendor
“I’m not here for you”
Solutions to problems of contributors

53. Questions?

54. But does it scale?

55. Yes

56. Any other questions?

57. www.rubyonrails.org