https://developer.apple.com/library/ios/documentation/NetworkingInternetWeb/Conceptual/CoreBluetooth_concepts/CoreBluetoothBackgroundProcessingForIOSApps/PerformingTasksWhileYourAppIsInTheBackground.html…

本⽂文是苹果<Core Bluetooth Programming Guide>的翻译. 关于Core Bluetooth Core Bluetooth 框架提供了蓝⽛牙低功耗⽆无线设备与 iOS 应⽤用或 Mac 应⽤用通讯的必要的类.应⽤用可以发现,探索低功耗外设,并与它交互,⽐比如⼼心率监控器和数字 温度调节器. 从 OS X V10.9 和 iOS 6 之后,Mac 和 iOS 设备也能充当蓝⽛牙低功耗外设给包括 Mac 和 iOS 在内的其他设备提供数据服务了.   概览 蓝⽛牙低功…

  Animations Animations provide fluid visual transitions between different states of your user interface. In iOS, animations are used extensively to reposition views, change their size, remove them from view hierarchies, and hide them. You might use…

Views Because view objects are the main way your application interacts with the user, they have many responsibilities. Here are just a few: 因为视图对象是应用程序跟用户交互的主要方式,所以它们有很多责任.以下是其中一小部分: Layout and subview management 布局和子视图管理 A view defines its own defau…

View and Window Architecture 视图和窗口架构 Views and windows present your application’s user interface and handle the interactions with that interface. UIKit and other system frameworks provide a number of views that you can use as-is with little or no mod…

Next About Windows and Views 关于窗口和视图 In iOS, you use windows and views to present your application’s content on the screen. Windows do not have any visible content themselves but provide a basic container for your application’s views. Views define a…

原文:View Programming Guide for iOS View and Window Architecture Views and windows present your application’s user interface and handle the interactions with that interface. UIKit and other system frameworks provide a number of views that you can use a…

Io Programming Guide     Introduction Perspective Getting Started Downloading Installing Binaries Running Scripts Interactive Mode Syntax Expressions Messages Operators Assignment Numbers Strings Comments Objects Overview Prototypes Inheritance Metho…

原文:View Programming Guide for iOS 1 Introduction 先熟悉一下基本概念. Window Windows do not have any visible content themselves but provide a basic container for your application's views. Every application has at least one window that displays the application'…

参考,http://spark.incubator.apache.org/docs/latest/streaming-programming-guide.html Overview SparkStreaming支持多种流输入,like Kafka, Flume, Twitter, ZeroMQ or plain old TCP sockets,并且可以在上面进行transform操作,最终数据存入HDFS,数据库或dashboard另外可以把Spark's in-built machine le…