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Image Manipulation
Learn how to do extensive image manipulation with the ImageMagick commands. Also learn how RMagick can be used in combination with CarrierWave to process uploaded images.
(11 minutes)
Cropping Images
Present a slick user interface for cropping image attachments using Jcrop and Paperclip.
(14 minutes)
CarrierWave File Uploads
CarrierWave makes it easy and clean to add file uploads to your application. It supports a variety of ORMs, frameworks and image processors.
(9 minutes)
Compass & CSS Sprites
Compass improves the Sass experience by providing useful mixins, functions, and more. You will also learn how to make CSS sprites with it in this episode.
(9 minutes)
Draper
Clean up complex view logic using Draper. This gem provides decorators (much like presenters) which bundles view logic in an object oriented fashion. In this episode I do a step-by-step refactoring of a complex template into a decorator.
(12 minutes)
Geocoder
If you need to work with geographic data, Geocoder is an excellent gem for converting addresses and coordinates, finding nearby locations, determining distances, and more!
(8 minutes)
Mountable Engines
Engines are receiving a major update in Rails 3.1. You can mount them at any path, embed assets, run generators and more. See how in this episode.
(13 minutes)
Upgrading to Rails 3.1
It is incredibly easy to upgrade to Rails 3.1, but if you want to take advantage of the asset pipeline you will need to put in some extra effort. Have no fear because I walk you through each of the necessary steps in this episode.
(8 minutes)
Paperclip
Need to add image attachments to a model? See how with paperclip in this episode.
(7 minutes)
OmniAuth Part 1
OmniAuth is an easy way to add many different authentication services to your app. In this episode we start integrating it with Devise.
(10 minutes)