The previous lesson showed how to define a task that executes on a separate thread. If you only want to run the task once, this may be all you need. If you want to run a task repeatedly on different sets of data, but you only need one execution runni…

Creating a Manager for Multiple Threads 1.You should also read Processes and Threads The previous lesson showed how to define a task that executes on a separate thread. If you only want to run the task once, this may be all you need. If you want to r…

The speed and efficiency of a long-running, data-intensive operation often improves when you split it into smaller operations running on multiple threads. On a device that has a CPU with multiple processors (cores), the system can run the threads in…

14/03/26 23:03:55 ERROR tool.BaseSqoopTool: Got error creating database manager: java.io.IOException: No manager for connect string: jdbc:mysq://c6h2:3306/log at org.apache.sqoop.ConnFactory.getManager(ConnFactory.java:185)        at org.apache.sqoop…

Supporting Multiple Screens 支持各种各样的屏幕尺寸.屏幕密度 Android runs on a variety of devices that offer different screen sizes and densities. For applications, the Android system provides a consistent development environment across devices and handles most of t…

原文地址:http://www.ncloud.hk/%E6%8A%80%E6%9C%AF%E5%88%86%E4%BA%AB/umbraco5-creating-master-template-part-1/ 创建更多的页面 使用可维护的模板结构 我们已经了解了如何创建一个Document Type,我们可以创建一个只有三个页面的简单网站:Home,News,Contact us.方法就是创建三种(Document Types)文档类型和它们相关联的模板(Create matching temp…

Building Apps with Content Sharing Simple Data --> Intent && ActionProvider 介绍如何让应用程序共享简单的数据,如:文本/URI/图片等 1. Sending Simple Data to Other Apps 2. Receiving Simple Data from Other Apps 3. Adding an Easy Share Action Sharing Files 介绍Android中的分享文件…

Creating a Manager for Multiple Threads 上一课  下一课 1.This lesson teaches you to Define the Thread Pool Class Determine the Thread Pool Parameters Create a Pool of Threads 2.You should also read Processes and Threads 3. Try it out DOWNLOAD THE SAMPLE Th…

Sending Operations to Multiple Threads 1.Dependencies and prerequisites Android 3.0 (API Level 11) or higher Loading Data in the Backgroundtraining class Running in a Background Servicetraining class 2.You should also read Processes and Threads 3.Try…

LVM 可以整合多个实体 partition 在一起, 让这些 partitions 看起来就像是一个磁盘一样!而且,还可以在未来新增或移除其他的实 体 partition 到这个 LVM 管理的磁盘当中.如此一来,整个磁盘空间的使用上,实在是相当的具有弹性啊! 什么是 LVM: PV, PE, VG, LV 的意义 LVM 的全名是 Logical Volume Manager,中文可以翻译作逻辑滚动条管理员.之所以称为『滚动条』 可能是因为可以将 filesystem 像滚动条一样伸长或缩短…