I had no idea there that upper case numbers even existed before reading this article by Amy Worrall but I have run up against the same kind of problem with unusual positioning of numbers in certain fonts (I'm looking at you, Georgia). Amy digs into the depths of Core Text font features to enable upper case numbers to fix the problem.
Ever wanted to dynamically show/hide cells in a static content table view? Peter Paulis has a solution for you, animated insertion and deletion of cells. The animations look a little funky sometimes with section headers on but this may still be useful if you are facing this problem.
Wess Cope with a small library which uses AVFoundation to record video from the contents of a UIView. The uses of this are slightly limited but I really like the idea so it gets a link.