Understanding scopes and managed beans

The WEB application that you create in this tutorial uses an object in the application scope to count the votes, using an object within the session scope to ensure that the user can vote only once per conversation. The application uses a

Learn about the new features of NetBeans 6 through an instance Part 4: Version management of source code

Download NetBeans 6.1 This system article uses NetBeans 6.0 (. 1) as a development tool. Both the English and Chinese versions of NetBeans 6.1 have been successfully published, so this article also applies to the NetBeans 6.1 Chinese development

Evolutionary architecture and emergent design: combinatorial methods and SLAP

Description: How to find hidden designs in a stale code base? This article discusses two patterns that are important for the code structure: combinatorial methods and a single abstraction layer. Applying these principles to code helps to find

An automatic test framework for graphical interface of Installanywhere installer based on JUnit

Introduction to JUnit JUnit is an open source unit testing framework for writing and running automated tests, developed by Erich Gamma and Kent Beck in 1997. It includes the following features: The API provided allows you to write out a reusable

NetBeans 6.0 Visual Mobile Designer custom components: Pim browser

The Visual Mobile Designer (VMD) is the graphical interface in the NetBeans mobility package, allowing you to design mobile applications using drag-and-drop components. VMD allows you to define application processes and design GUIs using components

Colon Class § 3.1: Generic paradigm

General paradigm of the third lesson (1) Guide before class This lesson introduces four common programming paradigms: generics, metaprogramming, slice, and event-driven. This lesson is divided into four sections-- 1. Generic Paradigm 2. Super

Use and performance tuning of WebLogic JRockit

A Introduction to JRockit Tuning JRockit is an adaptive JVM that automatically adjusts itself to the underlying hardware, so its tuning is focused on some parameters that require manual intervention, such as how much RAM to use for JRockit. JRockit

Solutions for JBuilder cursor problems

We often say jbuilder in the Chinese system has the problem of the cursor dislocation, all think that this is a jbuilder bug, in fact, this is really wrong jbuilder! There are two solutions to this discussion: 1, the editor of the font to the song,

Hybrid App Development Combat

In recent years, as the mobile device type becomes more and more, the operating system becomes more and more, the user's demand is increased, the cost, team member, Technology maturity, time, project requirement and so on can be taken into account

Create and set tables, part 1th: Using Flex to create JTable

Introduction: A Adobe®flex-based and set table (juxtaposition table) is a two-dimensional visual aid that can be used to arrange, classify, and compare large amounts of data. Use the table of tables to define your own perspective in a convenient and

Understanding MPEG video Compression standards and related coding formats

The full name of MPEG is the motion image Expert Group (Moving Picture Experts Group), an organization that specializes in developing international standards in the field of multimedia. The organization was established in 1988 and consists of

VC + + 2005 FAST Build Secure applications

First, Introduction Microsoft's visual c++2005 release is the right choice for programming enthusiasts who are interested in writing safe and reliable applications easily and quickly. As you can hear, the new features of languages and libraries in

Win2008 HPC Cluster Job management creation job

A Windows HPC Server 2008 Cluster Job is a request to a resource on a cluster and is the payload of the task to run on those resources. Cluster jobs can be simple, with only one task or many tasks to cover. The most common types of jobs are MPI jobs,

How to deploy Web applications on GlassFish

This article describes how to deploy a Web application on GlassFish. First, the choice of development tools Java EE, or JSF application development, NetBeans and GlassFish are the best choice, and the former has very good support for the latter.

Syntax for a simple language (i): Using ANTLR to describe grammar

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In Javaeye blog channel Stroll, see Neuronr Blog on his compiler practice posts, feel a bit of meaning, so parallel to use other methods to do that compiler. The request is to use C to achieve, I will use some more convenient language to achieve it.

Picture scaling and converting

By redrawing the picture to achieve the image scaling, compression coding conversion function. Java code Import Java.awt.Image;Import Java.awt.image.BufferedImage;Import Java.awt.image.RenderedImage;Import Java.io.File;Import

UVa 10487 closest sums: Traversal & Binary Lookup

10487-closest sums Time limit:3.000 seconds Http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=113&page=show_ problem&problem=1428 Given is a set of integers and then a sequence of queries. A query gives you with a

UVa 10718 bit Mask: greedy & bit operations

10718-bit Mask Time limit:3.000 seconds http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem= 1659 In bit-wise expression, mask is a common term. You can get a certain bit-pattern using mask. For example,

It is said to be the top program in the World Programming contest

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Using BCB to develop an email program with identity authentication function

This article describes how to enhance the functionality of the NMSMTP control that sends e-mail in BCB, and to implement a mail-sending program with an identity authentication feature. Keyword Esmtp,mime, identity authentication Introduction In

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