Using number type on an input field causes reformatting with commas when form is submitted
An important gotcha of some HTML5 semantic web stuff: An input of type="number" attribute on an input and discovered that Safari 5 and IE would...
Pushing to Heroku
What you may miss off-the-bat is that Heroku's copy of your app is actually a git repository. It's like github's repository of your code, but...