iOS Programming: The Big Nerd Ranch Guide (4th Edi   3. Managing Memory with ARC

About the 3. Managing Memory with ARC category (1)
dateCreated should not be readonly (1)
Confusing explanation of "property synthesis" (2)
BNRItem. h vs. m (1)
Dot notation confusing me (3)
Difference between stack and frame? (3)
__weak not working (1)
'copy' seems not working (7)
Missing code on page 72 (2)
Copy and mmutable objects (2)
Overriding dealloc with only NSLog (7)
Question about Strong and Weak References (2)
Set containedItem in setContainer method? (2)
BNRItems will not dealloc (4)
Page 73 -- adding _weak causes build to fail (3)
Coding example? (1)
Best chapter! (1)