This zip file contains several PDF files, as well as various Xcode project files.
There may be tiny errors and simply interesting mistakes, all of them intended to give the user a broader knowledge of the subject. In other words, your mileage may vary. Use at your discretion!
Copyright (c) J.R. Garcia-Bermejo Giner, permission granted to use this material for personal purposes (not commercial). If in doubt, contact me at this address: coti at usal.es
Click here for the block of files