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Polling for Changes (revised)
Polling may not be as common today as pushing changes over an open socket, however it is still an effective, simple solution if you do not need instantaneous updates.
(10 minutes)
Token Fields (revised)
The Chosen plugin makes it easy to turn a many-to-many select menu into a searchable token field. Then see how the jQuery Tokeninput field can help with AJAX loading and creating new records.
(10 minutes)
Calendars (revised)
Learn how to add a calendar to your Rails app. Whether it be a date picker using jQuery UI or a full page calendar for browsing records, I will show you how to do it in this episode.
(9 minutes)
Tree-Based Navigation (revised)
If your Rails app is content-heavy, consider organizing it in a tree menu structure. Here I show how to add top-level tabs, nested links in a side bar, and breadcrumbs to go up the hierarchy.
(10 minutes)
Charts & Graphs (revised)
If you have a lot of data, consider adding a graph to provide an overview of it. Here I show how to use Morris.js to chart an Order model and visualize trends in the data.
(12 minutes)
Devise and OmniAuth (revised)
In this episode I build upon a standard Devise setup and show how to add 3rd party authentication using OmniAuth. This includes support for user validations and is compatible with normal password authentication.
(10 minutes)
Site-Wide Announcements (revised)
Here I show how to add an announcement message at the top of every page in the application and allow the user to permanently hide it. This is all done test-first and even includes testing the JavaScript behavior.
(11 minutes)
YAML Configuration (revised)
Keeping passwords and secret tokens in source control is a security risk. Here I show how to move these settings out into a YAML configuration file which can be loaded in as a hash or environment variables.
(8 minutes)
Time Zones (revised)
Active Support makes it easy to work with time zones. Learn how to add a Time Zone select field to a user form and watch out for the gotchas.
(7 minutes)
Polymorphic Association (revised)
A polymorphic association allows a model to belong_to different types of other models. Here I show how to make a single comment model belong to articles, photos, and events.
(11 minutes)