Join Kevin Skoglund for an in-depth discussion in this video Creating records, part of Ruby on Rails 4 Essential Training.
…In this movie, we will learn how to access our models to…the Rails console, in order to create new records in the database.…I'm going to show you two different techniques.…The first technique, I refer to as New/Save.…There are three steps to it.…The first is that we instantiate an object.…Instantiate means to create a new object from the class.…This object is also called an instance of the class.…That's where we get the word instantiate.…We're creating an instance of this class.…So once we instantiate the object, then we're going to…set the values or, on the attributes for that object.…
And then we're going to save the object.…It's a three step process.…Instntiate, set the values, and then save.…The second technique that we're going to look at is going to be create.…Create is going to do the exact same work as…new save, but it's going to do it all in one step.…It's going to instantiate the object, set its…values, and save it in one single step.…Let's try both starting out with new save.…You want to make sure that you're in the root of your Rails application.…
- Why use Ruby on Rails?
- Installing Ruby on Rails on Mac and Windows
- Rendering templates and redirecting requests
- Generating and running database migrations
- Creating, updating, and deleting records
- Understanding association types
- Using layouts, partials, and view helpers
- Incorporating assets using asset pipeline
- Validating form data
- Authenticating users and managing user access
- Architecting RESTful applications
- Debugging and error handing
Skill Level Intermediate
1. What Is Ruby on Rails?
2. Installing Ruby on Rails on a Mac
3. Installing Ruby on Rails on a Windows Machine
4. Getting Started
5. Controllers, Views, and Dynamic Content
6. Databases and Migrations
7. Models, ActiveRecord, and ActiveRelation
9. Controllers and CRUD
10. Layouts, Partials, and View Helpers
13. Data Validation
14. User Authentication
15. Improving the Simple CMS
16. REST and RESTful Routes
17. Debugging and Error Handling
18. Introducing More Advanced Topics
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