Java Vector Array

Usually the development of the thread is a thing, such as Tomcat is a servlet in the threads, there is no thread how do we provide multi-user access? But many developers who have just started to touch threads have suffered a lot. 　　How to do a set of simple threading Development Mode framework for everyone from the single thread development into multithreaded development, this is really a relatively difficult project. What is the specific thread? First look at what the process is, the process is a system executed a program, this program can use memory, processor, file system and other related resources ...

Translation: Esri Lucas The first paper on the Spark framework published by Matei, from the University of California, AMP Lab, is limited to my English proficiency, so there must be a lot of mistakes in translation, please find the wrong direct contact with me, thanks. (in parentheses, the italic part is my own interpretation) Summary: MapReduce and its various variants, conducted on a commercial cluster on a large scale ...

In addition to the "normal" file, HDFs introduces a number of specific file types (such as Sequencefile, Mapfile, Setfile, Arrayfile, and bloommapfile) that provide richer functionality and typically simplify data processing. Sequencefile provides a persistent data structure for binary key/value pairs. Here, the different instances of the key and value must represent the same Java class, but the size can be different. Similar to other Hadoop files, Sequencefil ...

Spark is a cluster computing platform that originated at the University of California, Berkeley Amplab. It is based on memory calculation, from many iterations of batch processing, eclectic data warehouse, flow processing and graph calculation and other computational paradigm, is a rare all-round player. Spark has formally applied to join the Apache incubator, from the "Spark" of the laboratory "" EDM into a large data technology platform for the emergence of the new sharp. This article mainly narrates the design thought of Spark. Spark, as its name shows, is an uncommon "flash" of large data. The specific characteristics are summarized as "light, fast ...

Two years ago, we developed a set of flash based files (mainly images) to upload RIA applications to users of Alibaba. If you have used WordPress or Flickr to upload images, you should have used similar products. This program is based on Yui uploader development, added a practical function--in the client first to shrink the picture, and then upload to the server. Users with digital camera photos often have more than 6 million pixels, but the product picture on the Alibaba website shows, do not need such a large pixel, usually ...

When it comes to application programming, Android is like an elephant in a room for a designer. Many designers would prefer this to be iOS, where all anyone cares about is the iphone, the ipad and the app Store. And no one can ignore Android, which now has the biggest market share in smartphones and has been widely used in a variety of products ranging from tablets to e-readers. In short, Google's Android platform is rapidly growing everywhere, brand manufacturers are hard to not notice. Let's face it together. Android ...

Absrtact: Last year, at 36 Krypton Silicon Valley station demo Day, I had the honor to meet a good and young female entrepreneur, Erica. In my opinion, she founded a very great technology company, Tcpengines, its core product is a novel algorithm, can last year, at 36 Krypton Silicon Valley station demo Day, I had the honor to meet a good and young female entrepreneur, Erica. In my opinion, she founded a very great technical company, Tcpengines, its core product is a new ...

Objeck Programming Language 2.0.4 This is a minor release, including performance enhancements for strings and collection classes. The "http://www.aliyun.com/zixun/aggregation/16458.html" >copy feature was added to the "Runtime" class. This feature allows memory blocks to be quickly copied from one array to another. The Vector class is optimized so that the operation 1m+ element increases by 90 ...