Ray's playground

摘要： When you send an object an -autoreleasemessage, it is added to the currently activeNSAutoreleasePool instance. When thisinstance is destroyed, every object added to itis sent a -release message.The -autorelease message is a deferred-release message. You send it to an objectwhen you no longer need a. 阅读全文

摘要： You can leverage dynamic to create methods that are intended to be usedwith anonymous types. It’s a technique to be used sparingly, like strongspices. If you find yourself creating many methods using dynamic invocationthat are intended for use with anonymous types, that’s a strong indicationthat yo. 阅读全文