How I Spent All My Savings Reinventing Programming

I'm sure you've had the same question too: what is "The Best Way™" of programming? Agile? TDD? Haskell? Pair programming? I believe the answer has nothing to do with that. I've spent the last two years thinking exclusively about this question and working towards a solution. Do silver bullets exist? Let's find out.

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1. How I Spent All My Savings Reinventing Programming Luis Solano @luisobo
5. I’ve seen things
6. ¿The Best Way™?
7. Design patterns Unit testing TDD Code reviews Pair programming
8. !
12. MUTABLE STATE & CONTROL FLOW
14. Mutable state & Control flow
16. PROGRAMMING WAS NEVER INVENTED
17. PROGRAMMING WAS NEVER INVENTED PROGRAMMING WAS NEVER INVENTED PROGRAMMING WAS NEVER INVENTED PROGRAMMING WAS NEVER INVENTED PROGRAMMING WAS NEVER INVENTED PROGRAMMING WAS NEVER INVENTED PROGRAMMING WAS NEVER INVENTED PROGRAMMING WAS NEVER INVENTED
18. What would programming be in an ideal world?
19. “Hey Siri, make me a TODO app”
20. No accidental complexity Declarative, intentional Helps discover requirements Easy evolution of programs No need for a team Shared context
21. hello.swift 10010010110010100 10011011101100101 00100100100101011 00100101100101001 00110111011001010 010010010010101 Compiler executable
22. 10010010110 01010010011 01110110010 10010010010 01010110010 01011001010 Compiler Prod A P I Stg A P I Dev A P I v1 v2 v3
23. E7 E1 E6 E5 E4 E3 E2
25. ESSENTIAL ACCIDENTAL
26. ESSENTIAL ACCIDENTAL Inherent complexity of the problem that exist before adding computers to the mix The rest of the complexity, added by the computer
29. "
30. E7 E1 E6 E5 E4 E3 E2
32. ONE GENERAL-PURPOSE LANGUAGE
33. MANY DOMAIN-SPECIFIC LANGUAGES
34. HTML CSS #user-grid .nav-button h3 tr:nth-child(2n) ul.todo li
35. domain Twitter { entity User { username : String email : String tweets : Many[Tweet] following : Many[User] timeline <= Tweet.where(author in following) } entity Tweet { text : String author : User } } DOMAIN MODELLING
36. persistance { domain Twitter { database: MySQL query User.timeline { materialize: true consistency: eventual database: Cassandra } } } ACCIDENTAL STUFF
37. ACCIDENTAL STUFF
38. E7 E1 E6 E5 E4 E3 E2
40. Source editing ViewController.swift
41. Source editing ViewController.swift import UIKit class ViewController: UIViewController { override func viewDidLoad() { super.viewDidLoad() // Do any additional setup after loading the view, typically from a nib. } override func didReceiveMemoryWarning() { super.didReceiveMemoryWarning() // Dispose of any resources that can be recreated. } } Source editing
42. Source editing ViewController.swift 1001001011001 0100100110111 0110010100100 1001001010110 0100101100101 0010011011101 1001010010010 010010101 Executable Compiler if (a > 2) { performA() } else { performB() }
43. Projectional editing MyProgram.ast
44. Projectional editing MyProgram.ast Editor render if (a > 2) { performA() } else { performB() }
45. Projectional editing MyProgram.ast Editor render if (a > 2) { performA() } else { performB() } E1 update
46. if (a > 2) { performA() } else { performB() } Projectional editing MyProgram.ast Editor render if (a > 2) { performA() } else { } update E1
47. Projectional editing MyProgram.ast Editor render update
48. Projectional editing MyProgram.ast Editor render update
49. Projectional editing MyProgram.ast Editor render update
50. Projectional editing MyProgram.ast Editor render update
51. Projectional editing MyProgram.ast Editor render update func calculate(z) { }
52. Projectional editing MyProgram.ast Editor render update class Subscription { }
53. Projectional editing func myFunction() -> Int { return 2 + 2 } 123 728 662 918 331 092 MyProgram.ast
54. https://www.jetbrains.com/mps/
55. E7 E1 E6 E5 E4 E3 E2
56. E7 E1 E6 E5 E4 E3 E2
57. Projectional editing E1 E2 E3 E4 E5 E6 E7 E8 E9
58. 10010010110 01010010011 01110110010 10010010010 01010110010 01011001010 Compiler Prod A P I Stg A P I Dev A P I v1 v2 v3
59. E1 E2 E3 E4 E5 10010010110010100 10011011101100101 00100100100101011 00100101100101001 00110111011001010 010010010010101 Compiler executable 10010010110010100 10011011101100101 00100100100101011 00100101100101001 00110111011001010 010010010010101 DB migrations 10010010110010100 10011011101100101 00100100100101011 00100101100101001 00110111011001010 010010010010101 Deploy scripts
60. domain Twitter { entity User { username : String email : String tweets : Many[Tweet] following : Many[User] timeline <= Tweet.where(author in following) } entity Tweet { text : String author : User } } DOMAIN MODELLING
61. LIVE PROGRAMMING
62. in conclusión
63. “We Shape Our Tools, and Then Our Tools Shape Us” – Marshall McLuhan
64. Thank you! @luisobo