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Intro to Rails

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November 12, 2013
Programming
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Intro to Rails

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nambrot

November 12, 2013

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Transcript

  1. Introduction to Ruby on Rails Prototyping Web Applications the Easy

    Way (c) by Nam Chu Hoai, @nambrot

  2. What are And why should you care? Web Applications ?

  3. Web Applications

  4. Web Page

  5. Web Page

  6. Web Page

  7. Web Page

  8. Web Page Internets

  9. Web Page Internets http://cs.bu.edu/fac/snyder/index.html Gimme the resource that I think

    should be there Request

  10. Web Page Request Resource -> Find File -> Receive Response

    Internets http://cs.bu.edu/fac/snyder/index.html Gimme the resource that I think should be there <html><head><title>I’m Prof Snyder, ... Here you go, this is what I have Request Response

  11. Internets http://cs.bu.edu/fac/snyder/index.html Gimme the resource that I think should be

    there <html><head><title>I’m Prof Snyder, ... Here you go, this is what I have Request Response Web Page Request Resource -> Find File -> Receive Response

  12. Internets http://cs.bu.edu/fac/snyder/index.html Gimme the resource that I think should be

    there <html><head><title>I’m Prof Snyder, ... Here you go, this is what I have Request Response Web Page Request Resource -> Find File -> Receive Response

  13. Internets Web Application

  14. Internets https://www.facebook.com/groups/2613588/members/ Show me the members of the group 2613588

    Web Application Request

  15. Request Resource -> *magic* -> receive response Internets https://www.facebook.com/groups/2613588/members/ Show

    me the members of the group 2613588 <html><head><title>Bu Startups Group Members A list of all the members Web Application Request Response

  16. Web pages are generally static content Web Page

  17. Web Application dynamically create content, use Web Pages as their

    UI Web Application

  18. gonna tell you a secret

  19. 90% of web apps are glorified excel spreadsheets

  20. 90% of web apps are glorified excel spreadsheets

  21. 90% of web apps are glorified excel spreadsheets

  22. 90% of web apps are glorified excel spreadsheets

  23. Web Applications 90% of Web Applications are glorified Excel Spreadsheets

  24. try to think of your biz idea/prototype in this frame

    -> pwn it in rails Ruby on Rails for RESTful CRUD Web Applications

  25. Rails Response/Request Cycle Model-View-Controller Convention for standard CRUD Operations Internets

  26. Rails Response/Request Cycle Model-View-Controller Convention for standard CRUD Operations Internets

    http://localhost/posts/1/comments Gimme the comments of the first post Request

  27. Rails Response/Request Cycle Model-View-Controller Convention for standard CRUD Operations Internets

    http://localhost/posts/1/comments Gimme the comments of the first post Request Controller

  28. Rails Response/Request Cycle Model-View-Controller Convention for standard CRUD Operations Internets

    http://localhost/posts/1/comments Gimme the comments of the first post Request Model Controller

  29. Rails Response/Request Cycle Model-View-Controller Convention for standard CRUD Operations Internets

    http://localhost/posts/1/comments Gimme the comments of the first post <html><head><title>Great post, bla bla bla Here are all the comments Request Response Model Controller View

  30. What makes Rails so awesome? Does it print money? Or

    even bitcoins? “Ruby on Rails does for web application developers what a toilet-installing robot would do for plumbers.”

  31. “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.” Ruby Matz

  32. Rails is a framework Abstracts away common parts of a

    Web Application

  33. • Solid Conventions (over Configuration) • Routing • Database Connection/Serialization/Querying

    (Fuck SQL) • Security • Gem Ecosystem • Great OTB Experience/Heroku Rails is a framework Abstracts away common parts of a Web Application

  34. Rails vs Others Most are inspired by Rails

  35. Rails vs Others Most are inspired by Rails • slightly

    less code, declarative style • larger ecosystem for prototyping components • kinda slow • not so good at realtime-y stuff

  36. Web Apps vs Native/Mobile Apps Good for social stuff, less

    cool for individual, interactive stuff UX: - offline - sensors Open Platform: - develop for one platform, reach everyone - not at the mercy of appstores, no proprietary software, use any tools you want

  37. Web Apps vs Native/Mobile Apps Good for social stuff, less

    cool for individual, interactive stuff Performance UX: - offline - sensors Open Platform: - develop for one platform, reach everyone - not at the mercy of appstores, no proprietary software, use any tools you want

  38. Web Apps vs Native/Mobile Apps Good for social stuff, less

    cool for individual, interactive stuff Performance User Experience UX: - offline - sensors Open Platform: - develop for one platform, reach everyone - not at the mercy of appstores, no proprietary software, use any tools you want

  39. Web Apps vs Native/Mobile Apps Good for social stuff, less

    cool for individual, interactive stuff Performance Not As Cool User Experience UX: - offline - sensors Open Platform: - develop for one platform, reach everyone - not at the mercy of appstores, no proprietary software, use any tools you want

  40. Web Apps vs Native/Mobile Apps Good for social stuff, less

    cool for individual, interactive stuff Performance Not As Cool Easier/Faster User Experience UX: - offline - sensors Open Platform: - develop for one platform, reach everyone - not at the mercy of appstores, no proprietary software, use any tools you want

  41. Web Apps vs Native/Mobile Apps Good for social stuff, less

    cool for individual, interactive stuff Immediate Updates Performance Not As Cool Easier/Faster User Experience UX: - offline - sensors Open Platform: - develop for one platform, reach everyone - not at the mercy of appstores, no proprietary software, use any tools you want

  42. Web Apps vs Native/Mobile Apps Good for social stuff, less

    cool for individual, interactive stuff Immediate Updates Performance Open Platform Not As Cool Easier/Faster User Experience UX: - offline - sensors Open Platform: - develop for one platform, reach everyone - not at the mercy of appstores, no proprietary software, use any tools you want

  43. Web Apps vs Native/Mobile Apps Good for social stuff, less

    cool for individual, interactive stuff Immediate Updates Performance Open Platform API Stability SEO Not As Cool Easier/Faster User Experience UX: - offline - sensors Open Platform: - develop for one platform, reach everyone - not at the mercy of appstores, no proprietary software, use any tools you want

  44. Demo Time!