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SQL Injection
One of the most common security problems for dynamic sites is SQL Injection. Thankfully Rails does everything it can in solving this issue, but you still need to be aware of it.
(5 minutes)
Shortcut Blocks with Symbol to_proc
It may have a goofy syntax, but the Symbol#to_proc feature Rails adds allows you to do simple blocks very quickly and easily.
(3 minutes)
Filtering Sensitive Logs
Are you accepting sensitive user data? Passwords, credit card numbers, etc. By default, Rails stores all submitted parameters in plain text in the logs. This episode will show you how to filter this sensitive input so it doesn't show up in the log file.
(2 minutes)
YAML Configuration File
Application configuration shouldn't be spread throughout your code base. Instead a much better place to put it is an external YAML file. See how to do that in this episode.
(7 minutes)
Action Caching
Action caching behaves much like page caching except it processes the controller filters. You can also make it conditional as seen in this episode.
(7 minutes)
Fragment Caching
Sometimes you only want to cache a section of a page instead of the entire page. Fragment caching is the answer as shown in this episode.
(6 minutes)
Page Caching
Page caching is an efficient way to cache stateless content. In this episode I will show you how to cache the dynamic javascript we created last week.
(6 minutes)
Custom Rake Tasks
Rake is one of those tools that you don't realize how powerful it is until you start using it. In this episode you will learn how to create custom rake tasks and improve them by using rake features.
(10 minutes)
Counter Cache Column
If you need to display the record count for a has_many association, you can improve performance by caching that number in a column.
(7 minutes)
The Logger
Learn all about the logger in this episode. See how to send messages to the log and how to customize it.
(9 minutes)