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

paypal ipn simulator
If you use the Paypal sandbox you'll notice that there is an IPN Simulator test tool. You must be logged to use it. This tool lets you test an IPN handler script for your application. If your script is not correct and you try to send a test IPN transactio...
Written by Sean Behan on 06/17/2012
Rails Find All by Birthday: How to Find Upcoming Birthdays with ActiveRecord
There are a few ways to solve this problem. However, I think the easiest is to cache the day of the year that the user is born on as an integer. If stored alongside the timestamp we can quickly get a list but properly handle the full birthday elsewhere, s...
Written by Sean Behan on 06/17/2012
How to Fix xcrun: error: unable to find utility "instruments", not a developer tool or in PATH
I just got a new machine and downloaded XCode. I used git to clone my ReactNative project from Github. I have everything ready to go. But when I run `react-native run-ios` I see xcrun: error: unable to find utility "instruments", not a developer tool ...
Written by Sean Behan on 03/05/2017
oh russian text, i thought you had something valuable to share...
but no, you were only clever enough to use your native tongue in an attempt to fool me into publishing your funny, spam comment! thanks to google.com/translate, you were foiled in your plot to usurp traffic from my site
Written by Sean Behan on 06/17/2012
How To Create Blurry Background Images Programmatically from the Command Line or with Ruby
Turn this into this You can use ImageMagick to make blurry images. To install with Homebrew on OS X. brew install imagemagick After installing you can run from the command line convert yourimage.png -channel RGBA -blu...
Written by Sean Behan on 08/24/2013