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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)
Authorization from Scratch Part 2
Episode #386Oct 11, 201238 comments

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
Episode #385Oct 07, 201228 comments

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
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)
jQuery & Ajax (revised)
Episode #136Sep 28, 201283 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)
Uploading to Amazon S3
Episode #383Sep 26, 2012125 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, 201261 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, 2012107 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)
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)
Memcached & Dalli
Episode #380Sep 12, 201218 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)