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Applied Filters: Revised Episodes x
YAML Configuration (revised)
Episode #85Oct 14, 201237 comments

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)
jQuery & Ajax (revised)
Episode #136Sep 28, 201282 comments

jQuery & Ajax (revised)

Here I go back to the basics and show how to turn a traditional Rails app into one that interacts through Ajax by adding "remote" options, JavaScript templates and a dabble of jQuery. (14 minutes)
Charts & Graphs (revised)
Episode #223Sep 15, 201258 comments

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)
Semi-Static Pages (revised)
Episode #117Sep 02, 201216 comments

Semi-Static Pages (revised)

There are many ways to handle static pages in a Rails application. Here I show two approaches including one that uses a RESTful style PagesController to keep the content in the database (8 minutes)
Memoization (revised)
Episode #137Aug 18, 20129 comments

Memoization (revised)

Memoization is a convenient way to cache a method's response. Here I show several ways to accomplish this from scratch since the ActiveSupport::Memoizable module has been deprecated. (9 minutes)
Calendars (revised)
Episode #213Aug 10, 201280 comments

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)
Optimistic Locking (revised)
Episode #59Aug 04, 20128 comments

Optimistic Locking (revised)

There is a chance one user will unintentionally override someone else's changes if they update a record near the same time. One solution is to use optimistic locking. The updated_at column can also be used for this as shown. (8 minutes)
Mongoid (revised)
Episode #238Jul 28, 201228 comments

Mongoid (revised)

Mongoid is a Ruby gem for interacting with MongoDB. Here I show the basics of setting up an app, querying for records, adding embedded associations, overriding the id, and more. (9 minutes)
Virtual Attributes (revised)
Episode #16Jul 20, 201219 comments

Virtual Attributes (revised)

Virtual attributes are a clean way to add form fields that do not map directly to the database. Here I show how to handle validations, associations, and more. (11 minutes)
Devise and OmniAuth (revised)
Episode #235Jul 13, 201293 comments

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)