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…

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…

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…

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…

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…

BACKGROUND Many processors include a time stamp count (TSC) counter which is typically implemented as a counter that increments at a fixed rate. Some known TSC counters are clocked at a bus clock rate and a multiplier value is added each bus clock cy…

写在最前,最近一直在研究redis的使用,包括redis应用场景.性能优化.可行性.这是看到redis官网中一个链接,主要是讲解redis数据分区的,既然是官方推荐的,那我就翻译一下,与大家共享. Partitioning: how to split data among multiple Redis instances.   分区:如何把数据存储在多个实例中.   Partitioning is the process of splitting your data into multiple…

30.9 Simple Network Management Protocol Network management protocols specify communication between the network management client program a manager invokes and a network management server program executing on a host or router. In addition to defining…

http://devs.cloudimmunity.com/gotchas-and-common-mistakes-in-go-golang/ 50 Shades of Go: Traps, Gotchas, and Common Mistakes for New Golang Devs Go is a simple and fun language, but, like any other language, it has a few gotchas... Many of those gotc…

HGOI自测 初测:150=80+20+50 rank1~rank3(并列3个rank1,所以我是rank3 qwq) 今日分突然想简约 CF359A Table https://www.luogu.org/problemnew/show/CF359A 题目描述 Simon has a rectangular table consisting of nn rows and mm columns. Simon numbered the rows of the table from top to b…