The tutorial walks you through how to do all of this, but it's basically as simple as sending an attachment to yourself (of course, the same can be done with any attachment sent to you).

Don’t worry, it’s beyond simple to use. This notepad trick works because of HTML’s “contenteditable” attribute that can turn any part of a web page into an interactive area for editing text.

Sublime Text is a highly configurable and extensible text editor for code, markup, and prose. It knows more than 50 syntaxes out of the box, including JavaScript, and can be extended with Sublime ...