Migrations & ActionController

Ruby on Rails 4.2    |    Intermediate
  • 11 videos | 39m 37s
  • Earns a Badge
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Many of your Rails projects will need to connect to a database. Discover how Rails works with databases, including migrations, seeding, and the ActionController.

WHAT YOU WILL LEARN

  • Change the database settings from using sqllite to postgresql
    Create and sequence a migration
    Perform and roll back a migration
    Recall what some of the migration and database constraints are
    Recall how to edit the seeds.rb file
    Describe the controller actions index, new, and create
  • Describe the member actions show, edit, update, and destroy
    Use respond_to to render json and xml
    Use the actioncontroller::live module
    Use action callbacks
    Use variants to render different templates based on some criteria

IN THIS COURSE

  • 1m 51s
    Learn how to change the database settings from using SQLite to PostgreSQL. FREE ACCESS
  • 3m 12s
    Learn how to create and sequence a migration. FREE ACCESS
  • Locked
    3.  Performing Data Migrations
    4m 20s
    In this video, you will learn how to perform and roll back a migration. FREE ACCESS
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    4.  Examining Constraints
    3m 20s
    After completing this video, you will be able to recall what some of the migration and database constraints are. FREE ACCESS
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    5.  Using Seeds.rb
    3m 13s
    After completing this video, you will be able to recall how to edit the seeds.rb file. FREE ACCESS
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    6.  Exploring Default Controller Collection Actions
    4m 6s
    Upon completion of this video, you will be able to describe the controller actions index, new, and create. FREE ACCESS
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    7.  Exploring Default Controller Member Actions
    2m 52s
    Upon completion of this video, you will be able to describe the member actions SHOW, EDIT, UPDATE, and DESTROY. FREE ACCESS
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    8.  Using Respond_to
    5m 23s
    In this video, you will use respond_to to render JSON and XML. FREE ACCESS
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    9.  Streaming Content
    3m 57s
    In this video, you will use the ActionController::Live module. FREE ACCESS
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    10.  Using Action Callbacks
    3m 2s
    In this video, you will learn how to use action callbacks. FREE ACCESS
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    11.  Using Variants
    4m 21s
    During this video, you will learn how to use variants to render different templates based on some criteria. FREE ACCESS

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