Greg Parker questions

Greg Parker answers

• Difference between Instruments (Zombies and leaks)
• Objective-C Category Performance
• What can I do in a signal handler?
• mach_vm_region_recurse, mapping memory and shared libraries on osx
• Implementation of -init vs. +initialize
• Objective-C header parsing
• Does Objective-C have concepts of value/reference type like C#?
• Will this RAII-style Objective-C class work?
• Crash reading bytes from getsectbyname
• How can I use Swift REPL with iOS SDK