from http://slid.es/nacyot/ruby on aug 2013 at Dev.study by nacyot(Kim Daekwon)

1. RUBY

3. PROGRAMMING LANGUAGE OTAKU

4. PRINCIPLE OF LEAST SURPRISE

5. FOR EXAMPLE, I WAS A C++ PROGRAMMER BEFORE I STARTED DESIGNING
RUBY. I PROGRAMMED IN C++ EXCLUSIVELY FOR TWO OR THREE YEARS. AND
AFTER TWO YEARS OF C++ PROGRAMMING, IT STILL SURPRISED ME.

6. NEED-TO-KNOW

7. SYNTAX SUGARS

8. RUBY 2.0

9. CONVENTIONS

10. VARIABLES

11. ? METHODS

12. ! METHODS

13. MAGIC COMMENT

14. MAGIC COMMENT IN RUBY 2.0

15. OPTIONAL PARENTHESES

16. DOMAIN SPECIFIC LANGUAGE

17. EVERYTHING IN RUBY EVALUATES TO TRUE
EXCEPT FOR FALSE AND NIL.

18. STRING INTERPOLATION

19. STRING & SYMBOL

20. STRING

21. SYMBOL

22. STRING VS. SYMBOL

23. ARRAY

24. SYMBOL

25. ENUMERABLE(.EACH)

26. FILE

27. .MAP

28. LAMBDA SYNTAX SUGAR

29. __DIR__ VS. FILE.DIRNAME(__FILE__)

30. INHERITANCE

31. MIX-IN

32. INCLUDE VS. INHERITANCE

33. SELF VS. INCLUDE

34. PREPEND VS. SELF

36. HASH PARAMETERS

37. KEYWORD PARAMETERS

39. ????????

40. IF STATEMENT?

41. IF STATEMENT

42. EXPRESSION-ORIENTED
inpython:

43. OPEN CLASS

44. IN RAILS

45. REFINEMENTS

46. DON'T BE SURPRISED!

47. THANK YOU!