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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)
Authorization from Scratch Part 2
This finishes the series on building authorization from scratch by refactoring the permission logic into a DSL, restricting authorization with attributes, and combining with strong_parameters to protect params.
(20 minutes)
Authorization from Scratch Part 1
Authorization can be difficult to implement and test because it often involves complex logic that exists throughout the entire app. Here I demonstrate how to test and implement authorization from scratch.
(15 minutes)
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)
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)
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
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
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)
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)
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)