问题:[NSNull length]: unrecognized selector sent to instance 0x1068b8f08-相关解决方法今天突然发现App的一个页面崩溃,检查之后发现后台返回来的必需值是空的。而我使用YYKit框架和Masonry,“需要去测算字符的长度,而YYKit没有对空进行判断,我这边也没有判断,所以导致了,[...]
//// main.m// OC6_练习//// Created by YIem. on 12/1/15.// Copyright (c) 2015 www.yiem.net YIem博客. All rights reserved.//import <Foundation/Foundation.h>import "Book.h"[...]
//// main.m// OC5_NSNumber_NSValue//// Created by YIem. on 11/30/15.// Copyright (c) 2015 www.yiem.net YIem博客. All rights reserved.//import <Foundation/Foundation.h>[...]
//// main.m// OC2015-11-27作业//// Created by YIem on 15/11/27.// Copyright (c) 2015年 www.yiem.net YIem博客. All rights reserved.//import <Foundation/Foundation.h>int ma[...]
//// main.m// OC_4NSString//// Created by YIem on 15/11/27.// Copyright (c) 2015年 www.yiem.net YIem博客. All rights reserved.//import <Foundation/Foundation.h>int main[...]
//// main.m// C4_数组//// Created by YIem on 15/11/13.// Copyright (c) 2015年 www.yiem.net YIem博客. All rights reserved.//import <Foundation/Foundation.h>define SIZE (5)[...]
看看我们上的内容吧!最开始上的是C语言,慢慢来吧!IOS// YIem// main.m 文件名// C1_C基础 工程名//// Created by dllo on 15/11/10. 作者/时间// Copyright (c) 2015年 www.yiem.net YIem博客. All rights reserved. [...]