In the parent class place the following code has_many :posts, :dependent => :destroy This used to be accomplished with has_many :posts, :dependent=>true Check out the Rails docs for more information http://api.rubyonrails.org/classes/ActiveRecord/As...

If you have a couple collections from the database and you want to sort it without the help of Active Record, take a look at the sort_by method on Array type. I've used this before when I have a couple of collections which are slightly different but I nee...

Forms can easily get cluttered when you're dealing with a lot of form fields... er, ERB tags. I've written about extending Rails form builders, which certainly goes along way to shrinking your views where forms are used. The plugin Formtastic is even bett...

Here is an example using the port 4567 to connect with over ssh and git ssh remote add origin ssh://sean@seanbehan.com:4567/path/to/git git push origin master

Creating trigrams in Python is very simple trigrams = lambda a: zip(a, a[1:], a[2:]) trigrams(('a', 'b', 'c', 'd', 'e', 'f')) # => [('a', 'b', 'c'), ('b', 'c', 'd'), ('c', 'd', 'e'), ('d', 'e', 'f')] You can generalize this a little bit more ...