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1.下列输出是什么?(个人尝试bad_access。。。有人解答吗?)
NSString *text = @"info"; memset((__bridge void *)(text), 0, text.length-1); NSString *myString = [NSString stringWithFormat:@"info"]; NSLog(@"%@",myString);
2.ios c函数如何hook?(不懂)
3.写一个NSString类的实现
+ (id)initWithCString:(const char *)nullTerminatedCString encoding:(NSStringEncoding)encoding;
+ (id) stringWithCString: (const char*)nullTerminatedCString
encoding: (NSStringEncoding)encoding
{
NSString *obj;
obj = [self allocWithZone: NSDefaultMallocZone()];
obj = [obj initWithCString: nullTerminatedCString encoding: encoding];
return AUTORELEASE(obj);
}
4.oc冒泡排序(忘记如何排序了-.0)
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原文地址:http://www.cnblogs.com/imhere/p/4342801.html