ShowMeDo Blog

“If you are like me, you avoid creating page titles because it is kind of a pain. But in this episode I will show you a clean way to add titles to your pages.” - video here, Ryan Bates

“Learn how to use the very useful group_by method to group an array by anything you want! In this episode I group an array of tasks by month then sort it properly.” - video here, Ryan Bates

“Have you ever wanted to visually line up items in rows and columns? The in_groups_of method makes this a cinch. Just watch out for the gotcha.” - video here, Ryan Bates

“Another common security issue is cross site scripting. In this episode you will see why it is so important to escape any HTML a user may submit.” - video here, Ryan Bates

“Your site may be at risk! When using mass assignment, you are giving the user complete control over that model and its associations. See how a hacker might use this vulnerability and learn how to stop it in this episode.” - video here, Ryan Bates

“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.” - video here, Ryan Bates

“The stack trace can be a very useful tool when it comes to debugging. Learn the ins and outs of how the stack trace works in this episode. Note: I am using an older version of the Rails bundle here so it might be a little different than yours. The command in the newer version is called Install Plugin and requires you to type textmate_footnotes in the search.” - video here, Ryan Bates

“If you need to display the record count for a has_many association, you can improve performance by caching that number in a column.” - video here, Ryan Bates

“One way to improve performance is to cut down on the number of SQL queries. You can do this through eager loading. Learn all about it in this episode!” - video here, Ryan Bates

“The final piece of the administration puzzle: authentication. There are many different approaches which is why I saved this step for last. This episode will cover a few techniques including the simple solution used for this site.” - video here, Ryan Bates