Ruby Crash Course

Introduction to ruby for RIT Society of Software Engineering members, in preparation for working on a new rails project for the SSE web site at http://sse.se.rit.edu

Transcript

1. Introduction to Ruby Wednesday, March 14, 12
2. Introduction to Ruby • Ruby is a scripting language • Famous for rails • Intended as a followup to Perl • Japanese in origin • Goal was to make programming fun again Wednesday, March 14, 12
3. Enough Description, Let’s see some ruby! Wednesday, March 14, 12
4. Hello, World! Wednesday, March 14, 12
5. Hello, World! Wednesday, March 14, 12
6. Hello, World! Wednesday, March 14, 12
7. Let’s personalize it! Wednesday, March 14, 12
8. Let’s personalize it! Wednesday, March 14, 12
9. what is “chomp”? \n B e n Wednesday, March 14, 12
10. what is “chomp”? B e n Wednesday, March 14, 12
11. what is “chomp”? Wednesday, March 14, 12
12. what is “chomp”? Wednesday, March 14, 12
13. What about numbers? Wednesday, March 14, 12
14. What about numbers? Wednesday, March 14, 12
15. What about numbers? Wednesday, March 14, 12
16. How about a File instead? Wednesday, March 14, 12
17. How about a File instead? Wednesday, March 14, 12
18. How about a File instead? Wednesday, March 14, 12
19. How about a File instead? Wednesday, March 14, 12
20. How about a File instead? Wednesday, March 14, 12
21. How about a File instead? Wednesday, March 14, 12
22. Now something useful Wednesday, March 14, 12
23. Now something useful Wednesday, March 14, 12
24. How split works B e n N i c h o l a s Wednesday, March 14, 12
25. How split works B e n N i c h o l a s , Wednesday, March 14, 12
26. Now something useful Wednesday, March 14, 12
27. Now something useful Wednesday, March 14, 12
28. pretend it’s a gradebook Wednesday, March 14, 12
29. pretend it’s a gradebook Wednesday, March 14, 12
30. pretend it’s a gradebook Wednesday, March 14, 12
31. Computers can do Math? Wednesday, March 14, 12
32. Computers can do Math? Wednesday, March 14, 12
33. How Map Works “100” “90” “80” grades: Wednesday, March 14, 12
34. How Map Works “100” “90” “80” grades: int_grades: Wednesday, March 14, 12
35. How Map Works “100” “90” “80” 100 grades: int_grades: Wednesday, March 14, 12
36. How Map Works “100” “90” “80” 100 90 grades: int_grades: Wednesday, March 14, 12
37. How Map Works “100” “90” “80” 100 90 80 grades: int_grades: Wednesday, March 14, 12
38. How reduce works 100 90 80 total: 0 grade: 100 Wednesday, March 14, 12
39. How reduce works 100 90 80 total: 100 grade: 90 Wednesday, March 14, 12
40. How reduce works 100 90 80 total: 190 grade: 80 Wednesday, March 14, 12
41. Computers can do Math? Wednesday, March 14, 12
42. Computers can do Math? Wednesday, March 14, 12
43. Questions and Trolling? Wednesday, March 14, 12