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Exploring RubyGems
Episode #384Oct 07, 20122 comments

Exploring RubyGems

RubyGems can make it easy to add a feature to a Rails application, but it can also cause headaches down the road. Here I give some tips on researching gems to decide which one to choose, or when to do it from scratch. (7 minutes)
Uploading to Amazon S3
Episode #383Sep 26, 2012119 comments

Uploading to Amazon S3

Here I show how to upload files directly to Amazon S3 using CarrierWave Direct and Fog. I then walk through another project which uses jQuery File Upload to handle multiple files and does not use CarrierWave. (14 minutes)
Tagging
Episode #382Sep 22, 201260 comments

Tagging

There are several gems to help implement tags in a Rails app. Here I show you how to integrate acts-as-taggable-on and then show how to do it from scratch. (11 minutes)
jQuery File Upload
Episode #381Sep 21, 2012104 comments

jQuery File Upload

Here you will learn how to upload multiple files over ajax using jQuery File Upload. I start with the basic functionality and customize it to fit the user interface. (13 minutes)
Memcached & Dalli
Episode #380Sep 12, 201217 comments

Memcached & Dalli

Memcached is an excellent cache store, and Dalli is the best way to interact with it through Ruby. Here I show various ways to use Memcached in a Rails app including how to set it up in production. (12 minutes)
Calendars (revised)
Episode #213Aug 10, 201273 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)
Bullet
Episode #372Aug 09, 201214 comments

Bullet

Bullet will notify you of database queries that can potentially be improved through eager loading or counter cache column. A variety of notification alerts are supported. (6 minutes)
Strong Parameters
Episode #371Aug 03, 201237 comments

Strong Parameters

The strong_parameters gem is an improvement over attr_accessible to securely handle mass assignment even when you have complex authorization logic. The functionality will likely be added to Rails 4 so it is a good idea to learn how it works. (12 minutes)
Ransack
Episode #370Aug 03, 201246 comments

Ransack

Ransack allows you to easily build complex search forms. It also helps in adding sortable links and building a dynamic advanced search page. (10 minutes)
Mongoid (revised)
Episode #238Jul 28, 201227 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)