Hi

I'm Sean.

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

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


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Using to_sentence method on an Array in Ruby on Rails
Member.all.collect {|member| member.firstname}.to_sentence => "Alex, Andy, and Sean" Declare separator and the connector Member.all.collect {|member| member.firstname}.to_sentence( :connector => "and last but not least,", :skip_last_comma => tr...
Written by Sean Behan on 06/17/2012
Reusing Scopes (Formerly Named_scope) In Rails 3
You can easily chain scopes together in your models. class Article < ActiveRecord::Base scope :ordered, order('position ASC') scope :published, ordered.where('published = ?', true) scope :for_homepage, published.limit(3) end Article.for_homepage...
Written by Sean Behan on 06/17/2012
Disk Usage Information on Mac OS X
Get disk usage information about the Desktop $ du -h -d 0 Desktop 14G Desktop Information about how much free space is available on computer $ df -lh Filesystem Size Used Avail Capacity Mounted on /dev/disk0s2 111Gi 109Gi 2.3Gi 98% / ...
Written by Sean Behan on 06/17/2012
Extract Domain Names From Links in Text with Postgres and a Single SQL Query
This query and pattern will return urls in text all within a single SQL query. select substring(column_name from '.*://([^/]*)') as domain_name from table_name; And here it is in a larger query, say for retrieving page view counts for referrers. ...
Written by Sean Behan on 11/23/2013
Simple String Concatenation of a Collection Written as a Helper for Rails
At Railsconf last week I took Greg Pollack's online course Rails Best Practices. The interface is gorgeous and the instructions are excellent. One of the lessons involved taking a partial and moving it into a helper. I was reminded how difficult such a si...
Written by Sean Behan on 06/17/2012