Article Network

Drools JBoss Rules 5.0 Flow (Part 2)

by Michal Bali | July 2009 | Java Open Source

In this two-part article by Michal Bali, we'll look at Drools flow in detail by building a loan approval process. In the first part we covered: faults, subflows, and decisions.

In this part of the article we'll cover: Transfer Funds work Item, human tasks, and other aspects of ruleflow.

Read Drools JBoss Rules 5.0 Flow (Part 2) in full

Getting Started with Scratch 1.4 (Part 1)

by | July 2009 | Open Source

The anticipation of learning a new programming language can sometimes leave us frozen on the starting line, not knowing what to expect or where to start. In this two-part article by Michael Badger, we will:

  • Take a tour of the Scratch interface
  • Create a couple of sample projects
  • Learn some basic Scratch programming concepts
  • Get our minds racing

Our specific objectives include:

  • Learning how to work with Scratch
  • Learning basic Scratch programming commands
  • Finding inspiration to fuel our creativity
Read Getting Started with Scratch 1.4 (Part 1) in full

Drools JBoss Rules 5.0 Flow (Part 1)

by Michal Bali | July 2009 | Java Open Source

Every non-trivial business process needs to make complex decisions. A rule engine is the ideal place for these decisions to happen. However, it is impractical to invoke a rule engine from a standard workflow engine. Instead, if we take a rule engine and add workflow capabilities, we have an ideal tool to model complex business processes—Drools Flow.

In this two-part article by Michal Bali, we'll look at Drools flow in detail. We'll build a loan approval process and cover the advanced concepts of a ruleflow like faults, subflows, and decisions.

Read Drools JBoss Rules 5.0 Flow (Part 1) in full

Optimizing Lighttpd

by Andre Bogus | July 2009 | Linux Servers Open Source

This article written by Andre Bogus will help us make Lighttpd work even faster. Before we start optimizing our Lighttpd installation, there are some things to consider such as where is Lighttpd going to run?

The most tested system with perhaps the most optimized backend is Linux. So if we need to squeeze every little request per second out of a server, it is a sure guess. In fact, apart from Linux, all systems except Windows are quite capable of delivering good performance.

Read Optimizing Lighttpd in full

Introduction to Online Analytical Processing in Oracle Essbase

by Joseph Sydney Gomez Sarma Anantapantula | July 2009 | Oracle

This article, by Joseph Sydney Gomez and Sarma Anantapantula, gives us a brief introduction about Online Analytical Processing (OLAP) as well as the method to create an application and database.

Read Introduction to Online Analytical Processing in Oracle Essbase in full

ASP.NET 3.5 CMS: Adding Security and Membership (Part 2)

by Jeff Cochran | July 2009 | Content Management Open Source

In this two-part article by Jeff Cochran, we will be discussing about how to add security and membership to a Content Management system. In the first part we saw how to create Forms authentication and how to use it, along with how to create home page, Master Page, and login page. In this part of the article will focus on adding Forms authentication to our CMS, along with creating user accounts and how to assign membership roles.

Read ASP.NET 3.5 CMS: Adding Security and Membership (Part 2) in full

Exporting data from MS Access 2003 to MySQL

by Dr. Jay Krishnaswamy | July 2009 | PHP

Most businesses use a software mix in their IT arsenal that makes business sense to them. Because of this, often they have to migrate a part, or whole of their data from one software program to another. In this article by Dr. Jay Krishnaswamy, the built-in method of exporting tables in Microsoft Access is explored to take a table in Microsoft over to MySQL, the open source database product that changed hands recently. This article steps you through the process with a number of screen shots to guide you along the way.

Read Exporting data from MS Access 2003 to MySQL in full

Development of iPhone Applications

by Pawan Sachdeva | July 2009 |

In this article by Pawan Sachdeva, we will be introduced to the various features of the iPhone along with basic programming for its development. We will develop a "Hello World" program to highlight its ability to be programmed.

Read Development of iPhone Applications in full

Windows Development Using Visual Studio 2008

by Stefan Björnander | July 2009 | Microsoft

The development environment of choice in this article by Stefan Björnander is the Visual Studio from Microsoft. In this article we also study the Microsoft Foundation Classes (MFC).

  • Visual Studio provides us with a few Wizards—tools that help us generate code. The Application Wizard creates an application framework (a skeleton application) to which we add the specific logic and behavior of our application.
  • When developing a Windows application, the Document/View model comes in handy. The application is divided into a document object that holds the data and performs the logic, and one or more views that take care of user input and display information on the screen.
  • When an event occurs (the user clicks the mouse, the window is resized) a message is sent to the application, it is caught by a view object and is passed on to the document object. There are hundreds of messages in the Windows system. However, we only catch those that interest us.
  • The device context can be viewed both as a canvas to paint on and as a toolbox holding pens and brushes.
  • When we finish an application, we may want it to occur in the same state when we launch it the next time. This can be archived by storing vital values in the registry.
  • Serialization is an elegant way of storing and loading values to and from a file. The framework takes care of naming, opening, and closing the file, all we have to do is to fill in the unique values of the application.
  • The cursor has different appearances on different occasions. There are several predefined cursors we can use.
Read Windows Development Using Visual Studio 2008 in full

Transferring Data from MS Access 2003 to SQL Server 2008

by Dr. Jayaram Krishnaswamy | July 2009 | Microsoft

The Export and Import Wizard is an extremely useful tool for transferring data. In fact it is the simplest tool to copy over data from one database to another and to create data transfer packages that can be persisted. Data can be transferred between SQL Servers (between versions of SQL Servers for example) as well as between even two non-Microsoft databases. Both Microsoft and proprietary data source providers are available to connect to many different database products.

In this article by Dr. Jayaram Krishnaswamy, we will be transferring data from an MS Access database to a database on SQLServer 2008. Both the source of data and the destination database are on the same machine, in this case a computer box running Windows XP Pro. There are two versions of the Import and Export Wizard and in this example the 32 bit version is used.

Read Transferring Data from MS Access 2003 to SQL Server 2008 in full

Advanced Collaboration using Alfresco Share

by Munwar Shariff Vinita Choudhary | July 2009 | Content Management Open Source

In this article by Munwar Shariff and Vinita Choudhary, you'll learn about Alfresco Share. We will walk you through The Alfresco Share User Interface, creating and managing collaborative web sites, customizing and managing your dashboard and a lot more.

Read Advanced Collaboration using Alfresco Share in full

ASP.NET 3.5 CMS: Adding Security and Membership (Part 1)

by Jeff Cochran | June 2009 | Content Management Open Source

In this article by Jeff Cochran, we will be discussing about how to add security and membership to a Content Management system. we will divide this article in two parts. In this first part, we will cover configuring and using forms authentication, along with how to create the membership database and the login page.

Read ASP.NET 3.5 CMS: Adding Security and Membership (Part 1) in full

Working with XML in Flex 3 and Java-part2

by Satish Kore | June 2009 | Java Open Source

In the first part of this article series by Satish Kore, we started with the basics of XML and move ahead to understand E4X completely. In this article, we will learn about loading external XML documents and also implement the concepts through an example— Building a book explorer.

Read Working with XML in Flex 3 and Java-part2 in full

Working with XML in Flex 3 and Java-part1

by Satish Kore | June 2009 | Java Open Source

In this two-part article series by Satish Kore, you will learn how to work with XML data using Flex's E4X approach. In the first part of this article series i.e. this article, we will start with the basics and move ahead to understand E4X completely. In the second part of this article series, we will learn about loading external XML documents, and also look at an example illustrating the explained concepts.

Read Working with XML in Flex 3 and Java-part1 in full

External Tables in Oracle 10g/11g Database: Part 2

by Hector R. Madrid | June 2009 | Oracle

In the previous part of the article by Hector R. Madrid, we learnt the basics of an External Table. It dealt with a brief description, procedure to create, and the compatibility of External Tables. In this part, we will discuss about the data transformation with External Tables. Finally, we will see the enhancements Oracle 11g has brought about in External Tables.

Read External Tables in Oracle 10g/11g Database: Part 2 in full
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