The office during the day has become the last place people want to be when then really want to get work done.
Offices have become interruption factories: it's just one interruption after
i386 : iPhone Simulator | |
x86_64 : iPhone Simulator | |
iPhone1,1 : iPhone | |
iPhone1,2 : iPhone 3G | |
iPhone2,1 : iPhone 3GS | |
iPhone3,1 : iPhone 4 | |
iPhone3,2 : iPhone 4 GSM Rev A | |
iPhone3,3 : iPhone 4 CDMA | |
iPhone4,1 : iPhone 4S | |
iPhone5,1 : iPhone 5 (GSM) |
The best way to learn and master iOS development is to read the official documentation. It can be boring but you can trust its accuracy and the information will be presented without opinion.
Read documents in order where indicated.