David A Chapman – Software Developer – isotope|eleven
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David A Chapman

A bit more about David

I am a Software Developer

David Chapman is a Ruby on Rails developer at isotope|eleven with over 5 years development experience. He's currently majoring in Electrical Engineering with a minor in Computer Science at the University of Alabama at Birmingham. David is a Linux geek, a math geek, a physics geek, a serious gamer, and a reader of Reddit. His super power is eating chips and salsa.

Recent Blog Posts

This may seem trivial, but over the years of web development, I've been requested more than three times tomake it so that images cannot be saved through the UI of a client's web page. I've seendifferent approaches to this, but I think the most...

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So its the end of the week, and you have been working on somehorribly written legacy application. You think to yourself, "doesanybody else really work on code this bad in real life?" The answeris yes. I am going to share some of the programming...

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There is an overflow in floating point number parsing in Ruby 2.0.This vulnerability has been assigned the CVE identifier CVE-2013-4164.You can read about the details here.

Attackers can construct special strings and attack you with something like:...

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I've got another minor release ready for everyone using Ubuntu 13.10. The apache2-mpm-prefork and apache2-prefork-devpackages were causing some problems when installing in Ubuntu 13.10, so I've simply fixed that byreplacing them with the apache2...

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Getting a website going from scratch with Rails 4.0and Ruby 2.0 can be done in a day; including getting it deployed to Heroku! Don't believe me? Let's just do it.

RVM

First you'll need to install RVM:

curl -L https://get.rvm.io | bash -s stable

...

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