- (CLLocationManager *)locationManager { if (!_locationManager) { _locationManager = [[CLLocationManager alloc] init]; _locationManager.delegate = self; _locationManager.desiredAccuracy = kCLLocationAccuracyBest; _locationManager.distanceFilter = ; […

ReactiveCocoa Tutorial – The Definitive Introduction: Part 1/2 ReactiveCocoa教程——明确的介绍:第一部分(共两部分) As an iOS developer, nearly every line of code you write is in reaction to some event; a button tap, a received network message, a property change (via K…

获取图片的metaData 获取简易的metaData较为容易,以下是测试图: 以下是本人提供的源码: UIImage+MetaData.h // // UIImage+MetaData.h // PictureInfo // // Created by YouXianMing on 14-8-27. // Copyright (c) 2014年 YouXianMing. All rights reserved. // #import <UIKit/UIKit.h> @interface UI…