Letterpress is a minimal, Markdown based blogging system written in Python.

Letterpress is a minimal, Markdown based blogging system written in Python.

The danger is in the invisible. The danger is in regions that are out of your control.

I found a very interesting corner case of using NSNotification, NSOperationQueue and GCD. Without precaution, I dare say 99% of experienced iOS/OS X developers would fall for it.