Ruby Habits - 1st Edition

This was our first session of Ruby Habits so we wanted to make a short introduction to some basic things and make sure all our members are at the same level.

1 to 11: Ruby Habits Introduction
12 to 32: Cool stuff to do with Ruby
33 to 50: A Brief History of Ruby
51 to 53: Projects

Transcript

1. 1ST EDITION
2. HI EVERYONE! WELCOME TO OUR FIRST RUBY HABITS MEET UP!
3. WE WOULD LIKE TO GIVE A BIG THANK YOU TO @Viennarb without whom we wouldn’t be here having this meet up Rochuspark for having us at their lovely location
4. Ramon Huidobro @senorhuidobro Barbara Fux @barbarafux Pilar Huidobro @althaire
5. OUR GOAL • Meet on a regular basis (min. 1/month) • Be as open as possible - giving everyone a chance and space to speak up and ask questions. • Welcome people from all walks of life, and all skill levels. • Learn Ruby together
6. CODE OF CONDUCT HTTP://RUBYHABITS.GITHUB.IO/CODE-OF-CONDUCT/
7. CONTACT e-mail: rubyhabits@gmail.com Facebook: https://www.facebook.com/rubyhabits Twitter: @RubyHabits Github: https://github.com/RubyHabits Blog: http://rubyhabits.github.io/ Meetup: http://www.meetup.com/RubyHabits/ #RUBYHABITS
8. HOW THE MEET UPS WILL RUN • Bring a laptop! • Small intro into what we’ll be working on that day • Work in groups, or big groups, or groups by level - whatever suits you • Feedback: • on how far we got • on how you liked it • on what you’d like to do next time
9. AFTER THE MEET UP • Post our work on Github • Post a recap on the blog • Mail out a newsletter for our members who couldn’t attend • Keep in touch on FB, Twitter and email
10. GOOGLE FORM HTTP://GOO.GL/FORMS/KMIAM6KJB1 • Name • What do you hope to get out of Ruby Habits? • Describe your approximate level of knowledge of Ruby • Are you familiar with any other programming languages?
11. Thank you so much for coming!
12. COOL STUFF TO DO WITH RUBY
13. 1. Websites
14. http://rubyonrails.org/
15. LET’S LOOK AT SOME FAMOUS WEBSITES MADE WITH RAILS
17. 1. Websites 2. Games
19. QUICK GOSU DEMO…
20. 1. Websites 2. Games 3. iOS, Mac and Android apps
22. PROS:
23. • Objective-C • C • Memory management • Xcode • Java
24. • Objective-C • C • Memory management • Xcode • Java
25. • Objective-C • C • Memory management • Xcode • Java
26. • Objective-C • C • Memory management • Xcode • Java
27. • Objective-C • C • Memory management • Xcode • Java
28. CONS:
29. $$$
30. QUICK RUBYMOTION DEMO
31. 1. Websites 2. Games 3. iOS, Mac and Android apps 4. Scripts
32. STORY TIME
33. HISTORY
34. RUBY A BRIEF LOOK
35. A BRIEF LOOK INTO RUBY • History • What is Ruby? Why use Ruby? • Installing Ruby • Ruby gems
36. YUKIHIRO MATSUMOTO http://en.wikipedia.org/wiki/Yukihiro_Matsumoto#mediaviewer/File:Yukihiro_Matsumoto.JPG
37. –Matz “I hope to see Ruby help every programmer in the world to be productive, and to enjoy programming, and to be happy. That is the primary purpose of Ruby language.”
38. RUBY’S DEVELOPMENT • 1993 - first envisaged • 1996 - Version 1.0 • 1998 - English homepage • 1999 - ruby talk • 2000 - surpassed python’s popularity in Japan + first English book • early 2013 - Version 2.0 • late 2013 - semantic versioning (v2.1.0) • From late 2014 to today - Version 2.2.0
39. “Matz Is Nice And So We Are Nice”
40. Q: WHAT IS RUBY? A: A PROGRAMMING LANGUAGE BUILT ON TOP OF C
41. W… WHY BUILT ON TOP? ISN’T C GOOD ENOUGH?
42. LET’S LOOK AT SOME CODE
43. RUBY C 3.times do puts “Hello World!” end int i = 1; while (i < 3) { printf(“Hello World!); }
44. LOVELY.
45. EVERYONE INSTALLED RUBY?
46. INSTALLING RUBY ON DIFFERENT COMPUTERS • http:// rubyinstaller.org/ • OS X comes with Ruby pre-installed • Before Mavericks it was Ruby 1.8, now it’s Ruby 2.0 Windows Mac • https://www.ruby- lang.org/en/ documentation/ installation/ Linux
47. MANAGING DIFFERENT VERSIONS OF RUBY • RVM (https://rvm.io/) • rbenv (https://github.com/sstephenson/rbenv) • chruby (https://github.com/postmodern/chruby)
48. WHAT ARE GEMS?
49. A GEM IS A LIBRARY OF PRE-WRITTEN RUBY CODE WE CAN USE TO MAKE GREAT (MORE INFO: HTTP://GUIDES.RUBYGEMS.ORG/WHAT-IS-A-GEM/)
50. SOME NOTABLE EXAMPLES OF GEMS YOU MAY HEARD OF • Rails • SASS • Bundler
51. PROJECTS
52. PROJECT/STUDY IDEAS!
53. • Making and running ruby programs • Object oriented programming crash course • Let’s make a Sinatra web app! • A git-tastic intro session • How to make life easier with Rake • Making fun games with gosu • Handling errors and bugs! • Making a blog with octopress