Introduction to Ruby on Rails

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1.Introduction to Ruby on Rails

Prerequisites and Learning Outcomes What is Rails?Creating a New Rails Project Deploying on the Rails Server Rails Design Pattern Hello World!

2.CRUD on Rails

Models and Active Record Migrations Migrations Methods Create and Read Update and Delete CRUD Application: Part 1 CRUD Application: Part 2 CRUD Application: Part 3 Validations Basic Challenge: Validate Updates Challenge Solution: Validate Updates DRYing the app Quiz

3.Your First Rails Application!

Model Structure Basic Challenge: Configure Route Challenge Solution: Configure Route User Model Basic Challenge: Configure Views Challenge Solution: Configure Views User Functionality Acts as Votable Basic Challenge: Sign-in Status Challenge Solution: Sign-in Status Basic Challenge: Configure Show View Challenge Solution: Configure Show View Basic Challenge: Dislike Links Challenge Solution: Dislike Links

4.Comments

Comments Structure Project Challenge: Associations and Routes Challenge Solution: Associations and Routes Project Challenge: Controller Challenge Solution: Controller Project Challenge: Comments Form Challenge Solution: Comments Form Project Challenge: Display Comments Challenge Solution: Display Comments Project Challenge: Partials Challenge Solution: Partials

Project

Create a Bill Split Application Using Ruby on Rails

5.Testing

Introduction to Testing Assertions and Code Structure Model Testing Controller Testing: Functional Tests Controller Testing: Integration Tests View Testing

6.Conclusion

Introduction to Ruby on Rails/

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Update and Delete

Update and Delete

We'll cover the following...

Now that you know how to create and retrieve Active Record objects, you can learn how to make modifications to them.

Currently, your database looks like this:

Note: We omit the created_at and updated_at attributes since they are managed internally by Rails/ Active Record.

Update

You will notice that you have capitalized the names for all pets except the pet with the name ...