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1. Radek

2. Pietruszewski radex.io

3. ��•

4. ��

5. “Programs must be written for people to read, and only incidentally for machines to execute” — Structure and Interpretation of Computer Programs

6. “Programs must be written for people to read, and only incidentally for machines to execute”

7. Clarity

8. Clever is dumb

9. Clarity is worth it

11. clarity ≠ verbosity

12. naming things stringByReplacingOccurrencesOfString:withString: performSelectorOnMainThread:withObject:waitUntilDone: tableView:targetIndexPathForMoveFromRowAtIndexPath:toProposedI

13. [string componentsSeparatedByString:@n];

14. [string componentsSeparatedByString:@n]; huh? NSComponent?

15. [string componentsSeparatedByString:@n]; 100% verbose 95% clear

16. string.split(n) 95% clear

17. Adding more words doesn't help

18. What if you’re not sure?

20. split componentsSeparatedByString

21. Why save bytes?

22. clarity brevity

23. brevity ⊂ clarity

24. Verbosity ain't free

25. Reading takes effort

26. clear confusing short verbose

27. Find the sweet spot

28. Remove the noise

29. split componentsSeparatedByString

30. replace stringByReplacingOccurencesOfString:withString:

31. stringByReplacingOccurencesOfString:withString:

32. stringByReplacingOccurencesOfString:withString:

33. replace

34. Remove the noise

35. let today: NSDate = NSDate()

36. ty(activityType: hash_state) rInfo = [hash: hash] SURL(string: fallbackURL) omeCurrent() ity = activity ; ; ; ; ;

37. let array: [Int] = [10, 6, 2] array.reduce(0, { (acc: Int, el: Int) - Int in return acc + el })

38. let array = [10, 6, 2] array.reduce(0, +)

39. string1 string2[ isEqualToString: ]

40. string1 == string2

41. if (foo foo.bar) { foo.bar.baz() }

42. foo?.bar?.baz()

43. less code to understand is a good thing

44. [[NSWindow alloc] initWithContentRect: frame styleMask: NSTitledWindowMask backing: NSBackingStoreBuffered defer: NO screen: nil]

46. init( contentRect: NSRect, styleMask: NSWindowMask = .Titled, backing: NSBackingStoreType = .Buffered, defer: Bool = false, screen: NSScreen? = nil)

48. NSWindow(contentRect: frame)

49. Swifty APIs

50. [NSTimer scheduledTimerWithTimeInterval: 1.0 target: self selector: @selector(foo:) userInfo: nil repeats: YES] . . . - (void) foo: (NSTimer *timer) { NSLog(@“Hello world!”) } radex.io/swift/nstimer

51. [NSTimer scheduledTimerWithTimeInterval:1.0] radex.io/swift/nstimer

55. NSTimer.schedule(interval: 1.0) radex.io/swift/nstimer

56. NSTimer.schedule(interval: 1.0, target: self, selector: foo:, userInfo: nil, repeats: true) func foo(timer: NSTimer) { println(Hello world) } radex.io/swift/nstimer

57. NSTimer.schedule(interval: 1.0, userInfo: nil, repeats: true) { println(Hello world) } radex.io/swift/nstimer

58. NSTimer.schedule(interval: 1.0, repeats: true) { println(Hello world) } radex.io/swift/nstimer

59. NSTimer.schedule(every: 1.0) { println(Hello world) } radex.io/swift/nstimer

60. NSTimer.schedule(every: 1.second) { println(Hello world) } radex.io/swift/nstimer

61. NSTimer.schedule(after: 1.second) { println(Hello world) } radex.io/swift/nstimer

62. [NSTimer scheduledTimerWithTimeInterval: 1.0 target: self selector: @selector(foo:) userInfo: nil repeats: YES] . . . - (void) foo: (NSTimer *timer) { NSLog(@“Hello world!”) } radex.io/swift/nstimer

63. NSTimer.schedule(every: 1.second) { println(Hello world) } radex.io/swift/nstimer

64. Recap: 4 ideas

65. Focus on clarity

66. Don't write clever code

67. clarity ≠ verbosity

69. radex.io/swift/methods @radexp

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