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Ruby on Rails versus Django - A newbie Web Developer's Perspective -Shreyank Gupta

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As I have been developing Web Applications for just more than an year now, I can safely introduce myself as a Newbie Web Developer. A year ago, when I started out, my first choice when it came to building Web Apps was Ruby on Rails. The reason was the fascination. There was a steep learning curve from my Python background, but it was all worth it.

Today, working in the industry as a Web Programmer, I program applications in both Ruby on Rails and Django. And during my coffee-breaks, when I sit down and retrospect, I start comparing. And when I compare, I come up with advantages and disadvantages of both the web frameworks.

Both Ruby on Rails and Django are no doubt (in my opinion) the two best Web Frameworks in existence. Both have their own bits of Superiority and Inferiority when compared with the other. My talk aims to put these bits in front of the audience and have a little discussion on the areas of improvements.

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  • A point to note is that 'South' (http://south.aeracode.org/docs/about.html) is Django's equivalent of a stable, fully-fledged, database migration tool. There have been a number of calls to include this as part of the 'core' but it has not happened yet...
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Transcript of " Ruby on Rails versus Django - A newbie Web Developer's Perspective -Shreyank Gupta"

  1. 1. Introduction Comparision Uniqueness Conclusion Django v/s Ruby on Rails A Newbie Web Developer’s Perspective Shreyank Gupta/shreyankg@fedoraproject.org March 20, 2010 Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  2. 2. Introduction Comparision First Look Uniqueness Documentation Conclusion Fascination Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  3. 3. Introduction Comparision First Look Uniqueness Documentation Conclusion From the Website Ruby on Rails Django Web Development that doesn’t The Web framework for hurt perfectionists (with deadlines). Open-source web Django makes it easier to development framework build better Web apps more that’s optimised for quickly and with less code. programmer’s happiness and Django is a high-level sustainable productivity. Python Web framework that Lets you write beautiful encourages rapid code by favoring convention development and clean, over configuration. pragmatic design. Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  4. 4. Introduction Comparision First Look Uniqueness Documentation Conclusion From the Website Ruby on Rails Django Web Development that doesn’t The Web framework for hurt perfectionists (with deadlines). Open-source web Django makes it easier to development framework build better Web apps more that’s optimised for quickly and with less code. programmer’s happiness and Django is a high-level sustainable productivity. Python Web framework that Lets you write beautiful encourages rapid code by favoring convention development and clean, over configuration. pragmatic design. Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  5. 5. Introduction Comparision First Look Uniqueness Documentation Conclusion From the Website Ruby on Rails Django Web Development that doesn’t The Web framework for hurt perfectionists (with deadlines). Open-source web Django makes it easier to development framework build better Web apps more that’s optimised for quickly and with less code. programmer’s happiness and Django is a high-level sustainable productivity. Python Web framework that Lets you write beautiful encourages rapid code by favoring convention development and clean, over configuration. pragmatic design. Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  6. 6. Introduction Comparision First Look Uniqueness Documentation Conclusion From the Website Ruby on Rails Django Web Development that doesn’t The Web framework for hurt perfectionists (with deadlines). Open-source web Django makes it easier to development framework build better Web apps more that’s optimised for quickly and with less code. programmer’s happiness and Django is a high-level sustainable productivity. Python Web framework that Lets you write beautiful encourages rapid code by favoring convention development and clean, over configuration. pragmatic design. Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  7. 7. Introduction Comparision First Look Uniqueness Documentation Conclusion From the Website Ruby on Rails Django Web Development that doesn’t The Web framework for hurt perfectionists (with deadlines). Open-source web Django makes it easier to development framework build better Web apps more that’s optimised for quickly and with less code. programmer’s happiness and Django is a high-level sustainable productivity. Python Web framework that Lets you write beautiful encourages rapid code by favoring convention development and clean, over configuration. pragmatic design. Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  8. 8. Introduction Comparision First Look Uniqueness Documentation Conclusion Documentation Ruby on Rails Guides - http://guides.rubyonrails.org/ RailsCasts - http://railscasts.com/ Django Docs - http://docs.djangoproject.com/ DjangoSnippets - http://www.djangosnippets.org/ Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  9. 9. Introduction Comparision First Look Uniqueness Documentation Conclusion Documentation Ruby on Rails Guides - http://guides.rubyonrails.org/ RailsCasts - http://railscasts.com/ Django Docs - http://docs.djangoproject.com/ DjangoSnippets - http://www.djangosnippets.org/ Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  10. 10. Introduction Comparision First Look Uniqueness Documentation Conclusion Documentation Ruby on Rails Guides - http://guides.rubyonrails.org/ RailsCasts - http://railscasts.com/ Django Docs - http://docs.djangoproject.com/ DjangoSnippets - http://www.djangosnippets.org/ Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  11. 11. Introduction The Rails Way Comparision Balance Uniqueness Disbalance Conclusion Discipline v/s Flexibility Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  12. 12. Introduction The Rails Way Comparision Balance Uniqueness Disbalance Conclusion The Rails Way Rails is opinionated software. That is, it assumes that there is a best way to do things, and its designed to encourage that best way and in some cases to discourage alternatives. If you learn “The Rails Way”, you’ll probably discover a tremendous increase in productivity. If you persist in bringing old habits from other languages to your Rails development, and trying to use patterns you learned elsewhere, you may have a less happy experience. - http://guides.rubyonrails.org/getting started.html Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  13. 13. Introduction The Rails Way Comparision Balance Uniqueness Disbalance Conclusion The Rails Way DRY - Dont Repeat Yourself Writing the same code over and over again is a bad thing. Convention Over Configuration Rails makes assumptions about what you want to do and how you’re going to do it, rather than letting you tweak every little thing through endless configuration files. REST Organizing your application around resources and standard HTTP verbs is the fastest way to go. Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  14. 14. Introduction The Rails Way Comparision Balance Uniqueness Disbalance Conclusion The Rails Way DRY - Dont Repeat Yourself Writing the same code over and over again is a bad thing. Convention Over Configuration Rails makes assumptions about what you want to do and how you’re going to do it, rather than letting you tweak every little thing through endless configuration files. REST Organizing your application around resources and standard HTTP verbs is the fastest way to go. Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  15. 15. Introduction The Rails Way Comparision Balance Uniqueness Disbalance Conclusion The Rails Way DRY - Dont Repeat Yourself Writing the same code over and over again is a bad thing. Convention Over Configuration Rails makes assumptions about what you want to do and how you’re going to do it, rather than letting you tweak every little thing through endless configuration files. REST Organizing your application around resources and standard HTTP verbs is the fastest way to go. Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  16. 16. Introduction The Rails Way Comparision Balance Uniqueness Disbalance Conclusion Balance Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  17. 17. Introduction The Rails Way Comparision Balance Uniqueness Disbalance Conclusion Architecture Ruby on Rails MVC : Model - Controller - View versus Django MTV : Model - Template - View Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  18. 18. Introduction The Rails Way Comparision Balance Uniqueness Disbalance Conclusion Architecture Ruby on Rails MVC : Model - Controller - View versus Django MTV : Model - Template - View Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  19. 19. Introduction The Rails Way Comparision Balance Uniqueness Disbalance Conclusion Architecture Ruby on Rails MVC : Model - Controller - View versus Django MTV : Model - Template - View Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  20. 20. Introduction The Rails Way Comparision Balance Uniqueness Disbalance Conclusion Object Relational Mapping - ORM Ruby on Rails Active Records versus Django Django Model Instance Reference Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  21. 21. Introduction The Rails Way Comparision Balance Uniqueness Disbalance Conclusion Object Relational Mapping - ORM Ruby on Rails Active Records versus Django Django Model Instance Reference Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  22. 22. Introduction The Rails Way Comparision Balance Uniqueness Disbalance Conclusion Object Relational Mapping - ORM Ruby on Rails Active Records versus Django Django Model Instance Reference Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  23. 23. Introduction The Rails Way Comparision Balance Uniqueness Disbalance Conclusion Bundled JavaScript Ruby on Rails Comes with bundled copies of: Prototype.js script.aculo.us JavaScriptHelper part of the framework. Django Ships JQuery as a part of the Admin Interface. Not a part of the framework. Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  24. 24. Introduction The Rails Way Comparision Balance Uniqueness Disbalance Conclusion Bundled JavaScript Ruby on Rails Comes with bundled copies of: Prototype.js script.aculo.us JavaScriptHelper part of the framework. Django Ships JQuery as a part of the Admin Interface. Not a part of the framework. Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  25. 25. Introduction The Rails Way Comparision Balance Uniqueness Disbalance Conclusion Bundled JavaScript Ruby on Rails Comes with bundled copies of: Prototype.js script.aculo.us JavaScriptHelper part of the framework. Django Ships JQuery as a part of the Admin Interface. Not a part of the framework. Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  26. 26. Introduction The Rails Way Comparision Balance Uniqueness Disbalance Conclusion Bundled JavaScript Ruby on Rails Comes with bundled copies of: Prototype.js script.aculo.us JavaScriptHelper part of the framework. Django Ships JQuery as a part of the Admin Interface. Not a part of the framework. Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  27. 27. Introduction The Rails Way Comparision Balance Uniqueness Disbalance Conclusion Bundled JavaScript Ruby on Rails Comes with bundled copies of: Prototype.js script.aculo.us JavaScriptHelper part of the framework. Django Ships JQuery as a part of the Admin Interface. Not a part of the framework. Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  28. 28. Introduction The Rails Way Comparision Balance Uniqueness Disbalance Conclusion Bundled JavaScript Ruby on Rails Comes with bundled copies of: Prototype.js script.aculo.us JavaScriptHelper part of the framework. Django Ships JQuery as a part of the Admin Interface. Not a part of the framework. Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  29. 29. Introduction The Rails Way Comparision Balance Uniqueness Disbalance Conclusion Disbalance Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  30. 30. Introduction The Rails Way Comparision Balance Uniqueness Disbalance Conclusion Views/Templates Ruby on Rails Rails Rendering/Layout versus Django Django Templating Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  31. 31. Introduction The Rails Way Comparision Balance Uniqueness Disbalance Conclusion Views/Templates Ruby on Rails Rails Rendering/Layout versus Django Django Templating Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  32. 32. Introduction The Rails Way Comparision Balance Uniqueness Disbalance Conclusion Views/Templates Ruby on Rails Rails Rendering/Layout versus Django Django Templating Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  33. 33. Introduction The Rails Way Comparision Balance Uniqueness Disbalance Conclusion Directory Structure Ruby on Rails $ rails newrails Django $ django-admin startproject newdjango $ cd newdjango $ python manage.py startapp myapp Now let’s have a look at the tree. Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  34. 34. Introduction The Rails Way Comparision Balance Uniqueness Disbalance Conclusion Directory Structure Ruby on Rails $ rails newrails Django $ django-admin startproject newdjango $ cd newdjango $ python manage.py startapp myapp Now let’s have a look at the tree. Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  35. 35. Introduction The Rails Way Comparision Balance Uniqueness Disbalance Conclusion Directory Structure Ruby on Rails $ rails newrails Django $ django-admin startproject newdjango $ cd newdjango $ python manage.py startapp myapp Now let’s have a look at the tree. Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  36. 36. Introduction The Rails Way Comparision Balance Uniqueness Disbalance Conclusion Authentication Modules Ruby on Rails No built-in authentication framework. Third party authentication plugins available: Restful Authentication. Authlogic Django Authentication part of the framework. Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  37. 37. Introduction The Rails Way Comparision Balance Uniqueness Disbalance Conclusion Authentication Modules Ruby on Rails No built-in authentication framework. Third party authentication plugins available: Restful Authentication. Authlogic Django Authentication part of the framework. Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  38. 38. Introduction The Rails Way Comparision Balance Uniqueness Disbalance Conclusion Authentication Modules Ruby on Rails No built-in authentication framework. Third party authentication plugins available: Restful Authentication. Authlogic Django Authentication part of the framework. Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  39. 39. Introduction The Rails Way Comparision Balance Uniqueness Disbalance Conclusion Authentication Modules Ruby on Rails No built-in authentication framework. Third party authentication plugins available: Restful Authentication. Authlogic Django Authentication part of the framework. Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  40. 40. Introduction The Rails Way Comparision Balance Uniqueness Disbalance Conclusion Authentication Modules Ruby on Rails No built-in authentication framework. Third party authentication plugins available: Restful Authentication. Authlogic Django Authentication part of the framework. Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  41. 41. Introduction The Rails Way Comparision Balance Uniqueness Disbalance Conclusion Learning curve Ruby on Rails Steep Learning Curve Lots of framework specific stuff to learn Django Slight learning curve if you are already familier with Python. The Django template language ;-) Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  42. 42. Introduction The Rails Way Comparision Balance Uniqueness Disbalance Conclusion Learning curve Ruby on Rails Steep Learning Curve Lots of framework specific stuff to learn Django Slight learning curve if you are already familier with Python. The Django template language ;-) Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  43. 43. Introduction The Rails Way Comparision Balance Uniqueness Disbalance Conclusion Learning curve Ruby on Rails Steep Learning Curve Lots of framework specific stuff to learn Django Slight learning curve if you are already familier with Python. The Django template language ;-) Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  44. 44. Introduction The Rails Way Comparision Balance Uniqueness Disbalance Conclusion Learning curve Ruby on Rails Steep Learning Curve Lots of framework specific stuff to learn Django Slight learning curve if you are already familier with Python. The Django template language ;-) Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  45. 45. Introduction The Rails Way Comparision Balance Uniqueness Disbalance Conclusion Database Schema Management Ruby on Rails $ rake db:migrate versus Django $ python manage.py syncdb Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  46. 46. Introduction The Rails Way Comparision Balance Uniqueness Disbalance Conclusion Database Schema Management Ruby on Rails $ rake db:migrate versus Django $ python manage.py syncdb Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  47. 47. Introduction The Rails Way Comparision Balance Uniqueness Disbalance Conclusion Database Schema Management Ruby on Rails $ rake db:migrate versus Django $ python manage.py syncdb Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  48. 48. Introduction Comparision Ruby on Rails Uniqueness Django Conclusion Unique (Selling|Breaking) Points Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  49. 49. Introduction Comparision Ruby on Rails Uniqueness Django Conclusion REST - Representational State Transfer Using resource identifiers (URLs) to represent resources Transferring representations of the state of that resource between system components. Example to a Rails application a request such as: DELETE /photos/17 would be understood to refer to a photo resource with the ID of 17, and to indicate a desired action — deleting that resource. REST is a natural style for the architecture of web applications, and Rails makes it even more natural by using conventions to shield you from some of the RESTful complexities and browser quirks. Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  50. 50. Introduction Comparision Ruby on Rails Uniqueness Django Conclusion REST - Representational State Transfer Using resource identifiers (URLs) to represent resources Transferring representations of the state of that resource between system components. Example to a Rails application a request such as: DELETE /photos/17 would be understood to refer to a photo resource with the ID of 17, and to indicate a desired action — deleting that resource. REST is a natural style for the architecture of web applications, and Rails makes it even more natural by using conventions to shield you from some of the RESTful complexities and browser quirks. Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  51. 51. Introduction Comparision Ruby on Rails Uniqueness Django Conclusion Migrations Definition Migrations are a convenient way for you to alter your database in a structured and organised manner. You could edit fragments of SQL by hand but you would then be responsible for telling other developers that they need to go and run it. You’d also have to keep track of which changes need to be run against the production machines next time you deploy. Proof. # This file is auto-generated from the current state of the database. Instead of editing this file, # please use the migrations feature of Active Record to incrementally modify your database, and # then regenerate this schema definition. Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  52. 52. Introduction Comparision Ruby on Rails Uniqueness Django Conclusion Migrations Definition Migrations are a convenient way for you to alter your database in a structured and organised manner. You could edit fragments of SQL by hand but you would then be responsible for telling other developers that they need to go and run it. You’d also have to keep track of which changes need to be run against the production machines next time you deploy. Proof. # This file is auto-generated from the current state of the database. Instead of editing this file, # please use the migrations feature of Active Record to incrementally modify your database, and # then regenerate this schema definition. Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  53. 53. Introduction Comparision Ruby on Rails Uniqueness Django Conclusion Rails Scaffold Definition Scaffolds an entire resource, from model and migration to controller and views, along with a full test suite. The resource is ready to use as a starting point for your RESTful, resource-oriented application. Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  54. 54. Introduction Comparision Ruby on Rails Uniqueness Django Conclusion Cross-Reference API Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  55. 55. Introduction Comparision Ruby on Rails Uniqueness Django Conclusion Django Admin Interface Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  56. 56. Introduction Comparision Ruby on Rails Uniqueness Django Conclusion Python APIs Django has the advantage of: High quality Python APIs available for a lot of services. Equivalent Ruby APIs not as good quality. Example Mark Pilgrim’s Universal Feed Parser v/s rFeedParser Ruby parser for kickstart issue Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  57. 57. Introduction Comparision Ruby on Rails Uniqueness Django Conclusion Python APIs Django has the advantage of: High quality Python APIs available for a lot of services. Equivalent Ruby APIs not as good quality. Example Mark Pilgrim’s Universal Feed Parser v/s rFeedParser Ruby parser for kickstart issue Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  58. 58. Introduction Comparision Ruby on Rails Uniqueness Django Conclusion Python APIs Django has the advantage of: High quality Python APIs available for a lot of services. Equivalent Ruby APIs not as good quality. Example Mark Pilgrim’s Universal Feed Parser v/s rFeedParser Ruby parser for kickstart issue Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  59. 59. Introduction Comparision Ruby on Rails Uniqueness Django Conclusion Python APIs Django has the advantage of: High quality Python APIs available for a lot of services. Equivalent Ruby APIs not as good quality. Example Mark Pilgrim’s Universal Feed Parser v/s rFeedParser Ruby parser for kickstart issue Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  60. 60. Introduction Comparision Ruby on Rails Uniqueness Django Conclusion Python APIs Django has the advantage of: High quality Python APIs available for a lot of services. Equivalent Ruby APIs not as good quality. Example Mark Pilgrim’s Universal Feed Parser v/s rFeedParser Ruby parser for kickstart issue Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  61. 61. Introduction Comparision Ruby on Rails Uniqueness Django Conclusion The syncdb Drawback Syncdb will not alter existing tables syncdb will only create tables for models which have not yet been installed. It will never issue ALTER TABLE statements to match changes made to a model class after installation. Changes to model classes and database schemas often involve some form of ambiguity and, in those cases, Django would have to guess at the correct changes to make. There is a risk that critical data would be lost in the process. If you have made changes to a model and wish to alter the database tables to match, use the sql command to display the new SQL structure and compare that to your existing table schema to work out the changes. - http://docs.djangoproject.com/en/dev/ref/django-admin Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  62. 62. Introduction Comparision Alternatives Uniqueness Discussion Conclusion Alternatives Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
  63. 63. Introduction Comparision Alternatives Uniqueness Discussion Conclusion !?! Shreyank Gupta/shreyankg@fedoraproject.org Django v/s Ruby on Rails
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