Latest Screencasts

Here I walk you through adding the ability to sort table columns in ascending or descending order by clicking the header. Watch this screencast

It is easy to be vulnerable to cross site scripting attacks in earlier versions of Rails, but Rails 3 solves this by automatically escaping unsafe input. Watch this screencast

The Apache HTTP web server is the most popular web server on the planet. It servers millions of webpages all over the globe. After watching this episode, you'll have the know how to install and configure a basic Apache2 web server, create and edit virtual hosts, enable and configure popular... Watch this screencast

Iptables is the de-facto firewall solution for Linux. In this episode, we'll setup basic rules to only allow certain traffic and even deny certain IP addresses from connecting. NOTE: I did catch one minor error in the screencast after encoding - I mention iptables in conjunction with both Linux and... Watch this screencast

Declarative authorization provides an advanced and powerful solution for role based authorization. Watch this screencast

In this screencast you will see how to make a rails application capable of parse and execute shell commands using the ruby function %x The screencast start with basic shell commands, creation of a ruby script demonstrating the concept and finally follow the recipe of 10 easy steps to build your rails shell application. Download [...] Watch this screencast

Learn how to save data such as bank information, social security number, or other sensitive information in your Rails application securely by encrypting the data. By using spikex’s gem Strongbox, you can use private and public keys to secure your data in your database to where you must have the password to decrypt them. Download [...] Watch this screencast

Security is important! Here I show seven different security flaws which are common to Rails applications ranging from mass assignment to CSRF protection. Watch this screencast

This episode shows how to encrypt the variables passed to PayPal and verify the authenticity of the payment notifications (IPN). Watch this screencast

The Railscasts site has been getting a lot of comment spam in the past, but no longer. In this episode I will show you how I solved this problem by using the Akismet web service. Watch this screencast