I don't know about anyone else, but for me in Chrome there was an empty white box where the code was supposed to be on your first link. When I clicked around in it a bit, the code magically appeared.
(I offer this as no criticism of anything, just in the hope it might save a single other soul the same confusion I had.)
(I offer this as no criticism of anything, just in the hope it might save a single other soul the same confusion I had.)