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Database Cleaner and RSpec
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Mark Holmberg
06 Dec 2013, 8:27pm
06 Dec 2013, 8:27pm

Here I show you some common gotchas when working with Database Cleaner and R-Spec.

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Rails 4, Strong Parameters, and accepts_nested_attributes_for
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Mark Holmberg
26 Sep 2013, 8:02pm
26 Sep 2013, 8:02pm

Here I show you my solution to a little known undocumented feature of Strong Parameters that you might not know you need.

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Ruby MySQL2 fails to build gem
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Mark Holmberg
21 Sep 2013, 7:05pm
21 Sep 2013, 7:05pm

Here I show you how to solve a common problem which occurs when trying to compile or build gems when there are development headers or dependencies missing.

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Installing Ruby 2 system wide on Ubuntu 12.04 using rbenv
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Mark Holmberg
21 Sep 2013, 6:15pm
21 Sep 2013, 6:15pm

Here I show you how to install Ruby 2.0 on a fresh install of Ubuntu 12.04 using rbenv.

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Installing Sublime Text 2 on Ubuntu
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Mark Holmberg
21 Sep 2013, 4:26pm
21 Sep 2013, 6:17pm

Here I show you how to install Sublime Text 2 on Ubuntu 12.04.

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Heroku: Wildcard Domains with GoDaddy
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Mark Holmberg
15 Jun 2013, 12:57pm
15 Jun 2013, 12:57pm

Have you ever wanted to setup Wildcard DNS for your Heroku app using GoDaddy? Here I show you my struggle to get Wild Card DNS to work with GoDaddy and Heroku.

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Logging ActiveMerchant Traffic
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Mark Holmberg
24 May 2013, 6:35pm
24 May 2013, 6:35pm

Have you ever needed to log the data that you're sending to a payment gateway and the response you receive back from the provider? Here I show you how to have ActiveMerchant log the request and response traffic so you can easily inspect and debug your code.

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OpenGL and Linux: Part One
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Mark Holmberg
09 Apr 2013, 6:37pm
09 Apr 2013, 6:39pm

Want to get started creating OpenGL programs under Linux. In this multipart series, I explore what it takes to go from a base install of Linux to creating rich OpenGL applications.

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Terminal Tricks: Renaming Files
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Mark Holmberg
15 Mar 2013, 5:33pm
19 Mar 2013, 7:30pm

Want to know the slickest way to rename a file from the terminal in a jiffy? Here's how.

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Gravatar and Ruby on Rails
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Mark Holmberg
21 Feb 2013, 7:52pm
21 Feb 2013, 7:52pm

Have you ever wanted to quickly add support for displaying someone's Gravatar. Here I show you an exciting gem called Gravtastic.