bbum questions

bbum answers

• Is there anything like an NSSet that allows retrieving by hash value?
• How to handle an array of pointers in Objective-C
• gdb throwing error saying program to have a function "malloc"
• conditional nsarray count
• Apple Instruments: Where do <non-object> items come from?
• In Objective C, what happens if we pass nil or null to @synchronized() block?
• Why is this C-style code 10X slower than this obj-C style code?
• Authoritative description of ObjectiveC string literals? [closed]
• Xcode 4/LLVM 3.0 -- make it a little smarter about "no known instance method for selector" errors?
• Invalid token at start of a preprocessor expression Xcode [duplicate]