Nsstring 对象更改其数据类型
我在变量中声明了某个 nsstring 属性，它用于在执行解析操作时存储文本字符串。由于此解析操作多次发生，Nsstring 属性会奇怪地更改为任何随机数据类型并导致我的应用程序崩溃。当我尝试将该属性与其他也是字符串的局部变量进行比较时，会发生这种情况。但当我进行比较时，appdelegate 变量已经更改了其数据类型，因此导致我的应用程序崩溃。
有人遇到过这样的问题吗？如果是这样，请指导我。
I have a certain nsstring property declared in a variable, it is used to do store a text string when i am performing a parsing operation. As this parsing operation happens mulitple times, the Nsstring property changes bizzardly to any random data type and crashing my application. This happens when i try to compare the property with other local variable which is also string. But by the time i compare, the appdelegate variable has already changed its data type, and hence crashes my app.
Any one ever come across such issue? If so, please guide me.
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这是您的 NSString 对象已被释放的标志，因此您可以向已释放的对象发送消息。这会使你的应用程序崩溃。数据类型发生变化，因为在对象被释放后，它所在的内存不再正确，并且可能包含垃圾。您应该使用 Run with Performance 工具 ->泄密工具。在这种情况下它很有帮助。请记住，您应该在设置中启用僵尸对象检测。
It is a sign that your NSString object has been deallocated so you send a message to a deallocated object. That crashes your application. The datatype changes because after an object is deallocated the memory it was placed in is not correct anymore and may contain a trash. You should use Run with Performance tool -> Leaks tool. It helps a lot in such cases. Please keep in mind that you should enable zombie object detection in settings.
