Web//使用NSInteger类型初始化和接收返回值 NSInteger和NSUInteger实质就是long和unsigned long Foundation框架自己定义了ios的整形 ios开发使用整形时候尽量使用NSInteger … Web28 mei 2024 · NSNumber is an Objective-C class designed to store a variety of types of numbers. It was important in Objective-C because its primitive number types – integers, …
NSNumber Class (Foundation) Microsoft Learn
Web23 dec. 2024 · 可以发现,使用Tagged Pointer之前,如果想要保存10,需要包装成NSNumber对象 (16字节),NSNumber对象里面放着10,然后用number指针 (8字节)指向NSNumber对象。 至少需要24字节。 使用Tagged Pointer之后,number指针 (8字节)里面保存的就是16进制的10:0xb000a1。 其中0x代表16进制,b就是标记NSNumber类 … Webobjective c nsnumber to long技术、学习、经验文章掘金开发者社区搜索结果。掘金是一个帮助开发者成长的社区,objective c nsnumber to long技术文章由稀土上聚集的技术大 … originlab crack download for pc windows 10
How to cast NSNumber to long long int correctly? - Stack Overflow
WebNSNumber *number = [NSNumber numberWithLong:20]; NSLog(@"%@",number); Output 1 2 2014-04-16 04:57:52.890 iOS-Tutorial [638:a0b] 20 + numberWithLongLong: Creates … Web1 nov. 2024 · At the most basic level, creating a textual representation of a given number simply involves initializing a String with it, which can either be done directly, or by using … WebI am trying to convert a NSNumber to long but I get this error: [__NSSingleObjectArrayI intValue]: unrecognized selector sent to instance. Here is my code: NSNumber … how to win every argument en español pdf