Helps

• Support D3 on IE (http://d3js.org/)

Someone suggests using Google Frame.

Interestings

• perseverate

per·sev·er·ate/pərˈsevəˌrāt/

Verb: Repeat or prolong an action, thought, or utterance after the stimulus that prompted it has ceased.

• Lo-Dash: Drop-in Underscore.js replacement

“Underscore.js + performance improvements, bug fixes, and additional features.”

http://lodash.com

• Font-Awesome: Like Bootstrap’s icons but better

• Icon parity with Bootstrap 2.0.3

• Many other icons
• Compatible with, but does not require Bootstrap
• Free for commercial use (CC BY 3.0)

• http://fortawesome.github.com/Font-Awesome/

• Long environment variables are BAD on Heroku

Just don’t use it, the application won’t start. And also make sure you have quotes surrounding strings with equal signs in between.