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Active Record Reputation System
If you need to calculate an average user's rating or sum up a number of votes, consider using the activerecord-reputation-system gem. Here I will cover the basics and also briefly present a from-scratch solution.
(10 minutes)
Embedded Association
Learn how to set up a one-to-many or many-to-many association which is entirely embedded into a single column through a string or bitmask.
(14 minutes)
7 Security Tips
Security is important! Here I show seven different security flaws which are common to Rails applications ranging from mass assignment to CSRF protection.
(14 minutes)
Integrating Active Merchant
In this episode I show how to add Active Merchant's functionality to a Rails application to make a fully-functional checkout process.
(18 minutes)
Thinking Sphinx
If you need a full text search engine, Thinking Sphinx is a great solution. See why in this episode.
(12 minutes)