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Nested Model Form Part 1
Handling multiple models in a single form is much easier with the accepts_nested_attributes_for method. See how to use this method to handle nested model fields.
(11 minutes)
I18n Backends
Internationalization is easy to add in Rails, but the YAML files can be difficult to manage. In this episode I show how to use Redis for managing the translations through a web interface.
(11 minutes)
Sortable Table Columns
Here I walk you through adding the ability to sort table columns in ascending or descending order by clicking the header.
(10 minutes)
PDFKit
Generating PDFs in plain Ruby can be a lot of work. Instead, consider generating PDFs from HTML using PDFKit.
(8 minutes)
Calendars
If dates play an important role in your application, consider adding a date picker or calendar view as shown in this episode.
(9 minutes)
Charts
There are a number of libraries to help create graphs. Here I show how to integrate Highcharts into a Rails app.
(16 minutes)
Multistep Forms
See how to create a multi-step (wizard) form from scratch in this episode.
(15 minutes)
Unobtrusive Javascript
Keep JavaScript out of your HTML content with unobtrusive JavaScript. Here I show how Rails 3 works with this best practice.
(13 minutes)
Mobile Devices
Change the look and behavior of a Rails app on mobile devices. Also use jQTouch to build a native-looking interface.
(13 minutes)
Validations in Rails 3
Rails 3 offers several new additions to validations. Here learn how to make a custom error_messages partial, reflect on validations, and clean up complex validations in a model.
(9 minutes)