小心NSDictionary的initWithObjectsAndKeys
2015-02-09 11:50
281 查看
NSDictionary的这个初始化方法还是很常用的，但是要非常小心地使用。因为万一你中途有一个键值对的object为nil的话，字典中只会包含前面几对，后面的都会被干掉。。。
内容来自用户分享和网络整理，不保证内容的准确性，如有侵权内容，可联系管理员处理 
相关文章推荐
- iOS: NSDictionary的方法initWithObjectsAndKeys:
- iOS: NSDictionary的方法dictionaryWithObjectsAndKeys:
- NSDictionary--'NSInvalidArgumentException', reason: '*** -[__NSPlaceholderDictionary initWithObjects:forKeys:count:]问题
- 慎用dictionaryWithObjectsAndKeys方法
- 慎用dictionaryWithObjectsAndKeys方法
- Objective-C dictionaryWithObjectsAndKeys 问题
- ***-[__NSPlaceholderDictionary initWithObjects:forKeys:count:]: attempt to insert nil object from ob
- iOS: NSDictionary的方法dictionaryWithObjects:forKeys:count:
- iOS: NSDictionary的方法dictionaryWithObjects:forKeys:
- [__NSPlaceholderDictionary initWithObjects:forKeys:count:]: attempt to insert nil object from object
- 调用系统相机：[__NSPlaceholderDictionary initWithObjects:forKeys:count:]: attempt to insert nil object from
- *** -[__NSPlaceholderDictionary initWithObjects:forKeys:count:]: attempt to insert nil object from o
- NSDictionary使用 ... enumerateKeysAndObjectsUsingBlock
- 慎用dictionaryWithObjectsAndKeys方法
- [__NSPlaceholderDictionary initWithObjects:forKeys:count:]: attempt to insert nil object from object
- dictionaryWithObjectsAndKeys
- Example of [NSDictionary getObjects:andKeys:] 的示范
- IOS-慎用dictionaryWithObjectsAndKeys方法
- Complexities with NHibernate, DataTransferObjects and the Assembler Pattern(Ben Scott's Blog)
- 多尺度R-CNN(2): Inside-Outside Net: Detecting Objects in Context with Skip Pooling and Recurrent Neural