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Web Application Intro for RailsGirls Berlin May 2013

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Web Application Intro for RailsGirls Berlin May 2013

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The well known web application introduction, this time without the Ruby introduction as the Ruby Monsters already did this! This time it also has a Bentobox.

The well known web application introduction, this time without the Ruby introduction as the Ruby Monsters already did this! This time it also has a Bentobox.

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Web Application Intro for RailsGirls Berlin May 2013

  1. 1. Introduction to Web Applications Tobias Pfeiffer @PragTob pragtob.wordpress.com
  2. 2. Today
  3. 3. What is a web application?
  4. 4. Not rocket science
  5. 5. I am Rails (and So Can You!)
  6. 6. Programming is fun!
  7. 7. What you are going to build today
  8. 8. So what is a web application?
  9. 9. Presented in a web browser
  10. 10. Runs on a server...
  11. 11. ...or the cloud
  12. 12. is dynamic
  13. 13. A high level overview
  14. 14. High level overview
  15. 15. High level overview
  16. 16. High level overview Request
  17. 17. High level overview
  18. 18. High level overview Answer
  19. 19. High level overview Answer
  20. 20. High level overview
  21. 21. What parts does a web application consist of?
  22. 22. Web Application
  23. 23. Front End Back End
  24. 24. Front End Back End
  25. 25. CSS HTML JavaScript
  26. 26. CSS HTML JavaScript
  27. 27. Structure and content
  28. 28. CSS HTML JavaScript
  29. 29. Styling to transform...
  30. 30. ...this...
  31. 31. ...into this.
  32. 32. CSS HTML JavaScript
  33. 33. Back End CSS HTML JavaScript
  34. 34. Back End CSS HTML JavaScript
  35. 35. Logic Infrastructure
  36. 36. Logic Infrastructure
  37. 37. Logic ● Behaviour ● Implements the business logic ● Ties all the parts together ● Generates content
  38. 38. Ruby on Rails
  39. 39. But what is Ruby on Rails?
  40. 40. A web application framework written in Ruby
  41. 41. ● A general purpose programming language ● Principle of least surprise ● Invented by Yukihiro Matsumoto
  42. 42. "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." Yukihiro Matsumoto
  43. 43. Ruby on Rails ● Framework written in Ruby ● set of functionality to help write web applications – Connecting to the database (ActiveRecord) – Generating HTML (ERB) – Pays attention to security – … and so much more! ● Model View Controller ● You write in Ruby
  44. 44. Logic Infrastructure
  45. 45. Web Server
  46. 46. Logic Infrastructure
  47. 47. Storing all your data...
  48. 48. ...in giant tables
  49. 49. Recap
  50. 50. Logic Storage Infrastructure CSS HTML JavaScript Web Application Landscape
  51. 51. Logic Storage Infrastructure CSS HTML JavaScript Web Application Landscape Bootstrap DOM Ruby on Rails Sqlite WEBrick Ruby
  52. 52. Bento Box Exercise ● Sort technologies and associated words into the landscape ● 5 minutes time
  53. 53. Logic Storage Infrastructure CSS HTML JavaScript Web Application Landscape Bootstrap DOM Ruby on Rails Sqlite WEBrick Ruby
  54. 54. Bento Box Exercise ● jQuery ● Django ● Unicorn ● PHP ● Python ● XML ● Java ● MongoDB
  55. 55. Logic Storage Infrastructure CSS HTML JavaScript Web Application Landscape Bootstrap XML DOM jQuery Ruby on Rails Sqlite Unicorn WEBrick MongoDB Ruby PHP Python Django Java
  56. 56. Question time ?
  57. 57. Where to go from here? ● I gather resources here, such as: – http://pragtob.github.io/rails-beginner-cheatsheet/ – http://ruby.railstutorial.org/ – http://rubymonk.com/ – http://www.codeschool.com/courses/rails-for-zombies – http://rubykoans.com/ – http://railscasts.com/ ● Rails Girls Berlin project groups
  58. 58. Thank you and enjoy coding! Tobias Pfeiffer @PragTob pragtob.wordpress.com listen to me talking about learning Ruby (German)
  59. 59. Photo credit ● http://www.flickr.com/photos/captainkimo/5918836159/ ● http://www.flickr.com/photos/weppos/7486411688/ ● http://www.flickr.com/photos/railsgirlsberlin/7882839698/in/photostream ● http://www.flickr.com/photos/nirak/644336486/

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