http://stackoverflow.com/questions/4680649/zooming-mkmapview-to-fit-annotation-pins - (MKCoordinateRegion)regionFromLocations { CLLocationCoordinate2D upper = [[locationFake objectAtIndex:0] coordinate]; CLLocationCoordinate2D lower = [[locationFake…

https://www.kickstarter.com/projects/1708444109/rfidler-a-software-defined-rfid-reader-writer-emul https://github.com/ApertureLabsLtd/RFIDler http://adamsblog.aperturelabs.com/2013/08/rfidler-open-source-software-defined.html The Goal To produce a to…

原文  http://blog.csdn.net/favormm/article/details/8028026#define MINIMUM_ZOOM_ARC 0.014 //approximately 1 miles (1 degree of arc ~= 69 miles) #define ANNOTATION_REGION_PAD_FACTOR 1.15 #define MAX_DEGREES_ARC 360 //size the mapView region to fit its an…

1.创建 MKMapView 地图 在 iOS6 或者 iOS7 中实现这个功能只需要添加地图控件.设置用户跟踪模式.在 mapView:didUpdateUserLocation: 代理方法中设置地图中心区域及显示范围. 在 iOS8+ 中用法稍有不同: a. 由于在地图中进行用户位置跟踪需要使用定位功能,而定位功能在 iOS8 中设计发生了变化,因此必须按照定位中提到的内容进行配置和请求. b. iOS8+ 中不需要进行中心点的指定,默认会将当前位置设置中心点并自动设置显示区域范围. //…

#import "ViewController.h" #import "BVAnnotation.h" @interface ViewController ()<MKMapViewDelegate> { CLLocationManager *locationManager;//声明管理者对象 MKMapView *_mapView; } @end @implementation ViewController - (void)viewDidLoad { […

原帖:http://troybrant.net/blog/2010/01/mkmapview-and-zoom-levels-a-visual-guide/ So, how exactly does the code provided in the previous post work? What follows is a visual explanation of Google Maps, zoom levels, and how you go about adding support for…

1. Overview In this article, we’ll do a deep dive into Jackson Annotations. We’ll see how to use the existing annotations, how to create custom ones and finally – how to disable them. Further reading: More Jackson Annotations This article covers some…

★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★➤微信公众号:山青咏芝(shanqingyongzhi)➤博客园地址:山青咏芝(https://www.cnblogs.com/strengthen/)➤GitHub地址:https://github.com/strengthen/LeetCode➤原文地址:https://www.cnblogs.com/strengthen/p/10146034.html ➤如果链接不是山青咏芝的博客园地址,则可能是爬取作者的文章…

原文地址:https://www.javacodegeeks.com/2015/04/spring-enable-annotation-writing-a-custom-enable-annotation.html Spring provides a range of annotations with names starting with Enable*, these annotations in essence enable certain Spring managed features t…

Java注解是附加在代码中的一些元信息,用于一些工具在编译.运行时进行解析和使用,起到说明.配置的功能.注解不会也不能影响代码的实际逻辑,仅仅起到辅助性的作用 下面我们来详细说说这个注解,到底是怎么一回事,一步一步看下去,总会后收获. 注解起源:Annotation(注解)是JDK5.0及以后版本引入的.在java.lang.annotation包中. 注解作用:它可以用于创建文档,跟踪代码中的依赖性,甚至执行基本编译时检查. 注解格式:注解是以‘@注解名’在代码中存在的 注解分类:标记注解.单…