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In this issue of Java Development 2.0, Andrew Glover describes how to develop and deploy for Amazon elastic Compute Cloud (EC2). Learn about the differences between EC2 and Google App Engine, and how to quickly build and run a simple EC2 with the Eclipse plug-in and the concise Groovy language ...

EJP is a powerful and easy-to-use http://www.aliyun.com/zixun/aggregation/22.html "> relational database Persistence Java API. The main features of EJP include: 1, Object/Relationship (object/relational) automatic Mapping (A-O/RM) 2, automatic processing of all associations 3, automatic persistence tracking EJP no need for mapping annotations or XML matching ...

In the past few years, the innovative development of the open source world has elevated the productivity of Java™ developers to one level. Free tools, frameworks and solutions make up for once-scarce vacancies. The Apache CouchDB, which some people think is a WEB 2.0 database, is very promising. It's not difficult to master CouchDB, it's as simple as using a Web browser. This issue of Java open ...

Java Iterator is an interface that provides only the basic rules for iteration, and a foreach loop can be used for any container that implements the Iterable interface.

The "Editor's note" machine learning seems to have turned from obscurity to the limelight overnight, as well as more open source tools for machine learning, but the challenge now is how to get developers interested in machine learning and the data they are prepared to use to actually use them, This paper collects the common and practical open source machine learning tools in several languages, which is worth paying attention to, which is from InfoWorld. The following is the original: After decades of development as a professional discipline, machine learning seems to appear overnight as a popular business tool ...

Easy Java Persistence (EJP) is an easily annotated and freely configurable persistent Java API with automatic object/relational mappings (A-O/RM), http://www.aliyun.com/zixun/aggregation/ 18860.html > automatically handles all association and persistence tracking functions. Easy Java Persistence 2.8 This version permanently deletes the license limit and the algorithm for changing the license. ...

WaveMaker provides an automated development process for Java WEB applications by importing a database model and then automatically generating HQL query definitions for Hibernate mappings and CRUD operations based on the model. For each table in the database, create a separate Dojo class to implement the list and add modified forms. WaveMaker generates standard Eclipse Java projects and War files that can be run on any Java server. is the web and the cloud ...

Azureus is a java-based http://www.aliyun.com/zixun/aggregation/33802.html ">bittorrent client that supports I2P and Tor anonymous communication protocols. It supports Windows,mac OS X,linux and UNIX operating systems. Azureus was first released in SourceForge.net in June 2003, most of them using STA on eclipses ...

This article series consists of two parts, and in part 1th of this series you will learn how to use the Tiyatien Center API and how to monitor deadlocks in a running Java application. Part 2nd uses the deadlock detection application developed in this article and adds a method to analyze the view to show where the application spends most of its CPU cycles. Have you ever encountered an application server hang without a clear cause or a Java application has become unresponsive? Is your application memory ...

Take the XX data file from the FTP host. 　　Tens not just a concept, represents data that is equal to tens of millions or more than tens of millions of data sharing does not involve distributed collection and storage and so on. Is the processing of data on a machine, if the amount of data is very large, you can consider distributed processing, if I have this experience, will be in time to share. 　　1, the application of the FTP tool, 2, tens the core of the FTP key parts-the list directory to the file, as long as this piece is done, basically the performance is not too big problem. You can pass a ...