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Simply subclass UITextField and override caretRectForPosition(继承 UITextField 并且重写 [UITextField caretRectForPosition] 方法）- (CGRect)caretRectForPosition... 阅读全文
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Question(提问):What I want to do seems pretty simple, but I can't find any answers on the web. I have anNSMutableArrayof objects, let's say they are 'Person' objects. I want to sort theNSMutableArrayby Person.birthDate which is anNSDate.I think it has something to do with this method:N 阅读全文
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“iPhone 配置实用工具”可让您轻松地创建、维护和安装配置描述文件及对配置描述文件进行加密，跟踪和安装预置描述文件与授权的应用程序，以及采集包括控制台日志在内的设备信息。 阅读全文
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#import ...imageView.image = [UIImage imageNamed:(i % 2) ? @"3.jpg" : @"4.jpg"];CATransition *transition = [CATransition animation];transition.duration = 1.0f;transition.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];transition.type 阅读全文
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// 例如- (NSString *)applicationDocumentsDirectory{ return [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) lastObject];} 阅读全文
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选择项目的“Edit Scheme...” 并且选择“Options”选项卡，更改你喜欢的默认地理位置你也可以编辑一个gpx文件永久保存坐标，或者在线生成（传送门）。转自：iOS Simulator Always resets Location to “None”(Stack Overflow)##... 阅读全文