Join Kevin Skoglund for an in-depth discussion in this video Partial templates, part of Ruby on Rails 4 Essential Training.
…In the last movie, we learned how to reuse…HTML for the layout of each our view templates.…In this movie, we'll learn about partial templates, also called partials for short.…Which allow us, to create reusable HTML fragments,…into not repeat ourselves as much as possible.…Let's begin by taking a look, at the new…and edit templates we created in the last chapter.…So you want to open, up views, subjects ,new and…views, subjects, edit and you'll notice that a lot…of the template is different but this table here…all the form fields are identical between the two.…
We repeated ourselves between new and edit when it came…to our form fields if we change a field on…our form then we have to make sure that we…make the change in both places to keep them in sync.…This is exactly ,what writing dry code is suppose to prevent.…The solution is to put this code in a separate template called a…partial template and then tell each of these pages to use the partial.…Let's create a new file for our partial.…So, the easiest way to do that is to click on…
- 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 Beginner
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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