Hi

I'm Sean.

I write about #software, #SaaS, #consulting and #mobile app development

I code in #Python, #PHP, #Swift, #Ruby, #ReactJS and #Postgres


Random Blog Posts See more posts

Destroy Children In Rails 2.3
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...
Written by Sean Behan on 06/17/2012
Descending Sort By in Model For Active Record Hash on Created_at attribute
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...
Written by Sean Behan on 06/17/2012
Using Formtastic to Cleanly Create Nice Looking Forms in Rails
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...
Written by Sean Behan on 06/17/2012
Non Standard Port Number with SSH and Git
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
Written by Sean Behan on 06/17/2012
Trigrams, Bigrams and Ngrams in Python for Text Analysis
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 ...
Written by Sean Behan on 03/06/2017