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

How to Use the Ls Command on Linux or Mac OS X to Sort Files based on Second in the Timestamp
Here is the one liner. ls -lhtTr It will output something like total 24152 -rw-rw-r-- 1 sean staff 1.0M May 4 14:31:42 2019 4c2caf52cb084ea39a6a65a0e68ee382 -rw-rw-r-- 1 sean staff 1.0M May 4 14:31:44 2019 76eeeea5d...
Written by Sean Behan on 05/04/2019
How to Render Partials with an Underscore in Sinatra
Sinatra doesn't have a method for rendering partials. It defers to the template language of your choice. For instance, if you're using ERB, it's as simple as erb :'path/to/partial' Rails has a nice convention of using an underscore to mark file...
Written by Sean Behan on 10/13/2013
Nested Attributes in a Form for Has_One Model Association in Rails
Just for reference... class Member < ActiveRecord::Base has_one :member_profile accepts_nested_attributes_for :member_profile end ...
Written by Sean Behan on 06/17/2012
Managing Timestamps in MySQL with a Trigger
MySQL doesn't support having two columns with time stamping on both initialization and/or on updating at the same time. It would be nice to be able to do *this* where the created_at column gets the current_timestamp on initialization and the updated_at ge...
Written by Sean Behan on 06/17/2012
Add Users to a Group on Ubuntu
To create a new user on Ubuntu (Heron8) adduser johndoe To create a new group groupadd barleyfarmers Add johndoe to the barleyfarmers group adduser johndoe barleyfarmers The adduser command, when you're first adding the new user accou...
Written by Sean Behan on 03/02/2017