Join Kevin Skoglund for an in-depth discussion in this video Form helpers, part of Ruby on Rails 4 Essential Training.
…We saw the basics of working with forms back when…we needed to use forums for our chapter on CRUD.…At the time we kept our forms very simple.…Now we're ready to come back to the topic and to learn about…the other helpers that Rails provides to make working with forms much easier.…Remember that we first saw form_tag, text_field_tag and submit_tag.…Text_field_tag creates the simplest and most…flexible version of the HTML input_tag.…It isn't object aware so we have to provide the attributes in…the values exactly like we want them to appear in the HTML.…
The only real advantage here is that we're able to write Ruby code instead of HTML.…But a simple text field tag has its place, for example, this helper is what…your would use 99% of the time to create a search box on a page.…The search box is not connected to any object it's just a simple…text input, and then we'll access the value that sends in the controller.…Next, we learned about the text_field helper.…Which looks for an instance variable when settings its values.…
- 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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