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IP属地：广东
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Expression is not assignable
参考文章: http://blog.csdn.net/like7xiaoben/article/details/8969093 为什么编译器会报...
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图文混排 - 1NSAttributedString: An NSAttributedString object manages character strin...
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AFNetworking的简单应用知识储备1.1 AFNetworking 是一个轻量级的iOS 网络通信类库1.2 AFNetworing 基于 NSOperation和NSU...
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nil / Nil / NULL / NSNull的区别
1.nil: 指向一个对象的空指针, 对Objective-C中id对象付空值.2.Nil：指向一个类的空指针, a null pointer ...
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设置UINavigationBar & UITabBar的颜色
[[UINavigationBar appearance] setBarTintColor:[UIColor lightGrayColor]];...
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数组与指针
（void)viewDidLoad {[super viewDidLoad];int array[] = {10, 20, 30, 40};in...
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URI & URL & URN
URI: Uniform Resource Identifier, 统一资源标识符，用来标识网络资源名称的独有字符串。这种标识允许用户对互联网或...
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Class *anObject = [[Class alloc] init];
What does alloc do?It allocates a chunk of memory to hold the object and...