how to resolve this error??
[NCFArray length]; acception开发者_开发技巧
If you're working with an array, you may be looking for [theArray count] rather than [theArray length].
Otherwise you are somehow using an array where you mean to use a string - how do you define/where do you get your NSString from?
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
加载中,请稍侯......
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