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A Simple Pocket PC Application using Visual Studio 2005

by Jayaram Krishnaswamy | November 2008 | .NET Microsoft

This article by Dr. Jayaram Krishnaswamy teaches how you may create a .NET Compact Framework (CF) 2.0 forms application. This can be used with Pocket PC 2003, or later devices. In the absence of a device being available for testing, the emulator is the next best thing. The application will be tested on one of the many emulators available in Visual Studio 2005. You may try other devices as well just by choosing the item in the Device Emulation Manager described in the article.

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Using JavaScript Effects with Joomla!

by | November 2008 | Joomla! MySQL Content Management Open Source PHP

Although Joomla! has all of the basic content management tools you need to build a website, it is also designed to run custom-built extensions written in PHP. This article steps through working examples of PHP code written to work seamlessly in Joomla!. Modern websites use JavaScript-driven effects to aid navigation, reduce on-screen clutter, and provide interactive features that are not possible with static HTML.

Joomla! has several built-in elements that you can use without writing a single line of JavaScript. The MooTools framework powers many elements seen throughout the Joomla! backend UI; these can be reused in both the frontend and the backend of your Joomla! component. In this article by Joseph L. LeBlanc, we will learn to use JavaScript effects through these topics:

  • Customizing Google Maps
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Visual SourceSafe:Creating a Service-Oriented Application

by Alexandru Serban | October 2008 | .NET Microsoft

In this article by Alexandru Serban, let's take a more realistic software development scenario. What I am going to build is a room-reservation system for the newly launched Orbital Hotel. As you well know, this is the very first space building, after the International Space Station, used for tourism, allowing people to enjoy a view of our blue planet and stars from their private rooms. OK, OK, the Orbital Hotel doesn't yet exist, but when it does, it must have a room reservation system anyway. Who knows, it might be this one.

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User Management in Zenoss

by | October 2008 | Networking & Telephony Open Source

We should set up a user name for each person who will be using Zenoss, and all the users should log in using their user account, not as the admin user. Individual users can be granted the same privileges as the admin account. The security of the user accounts is important. Various roles and groups can be assigned to a user. In this article by Michael Badger, the following is discussed:

  • How to add new users and edit the properties of their user accounts
  • The various available roles and their privileges
  • Administered objects such as devices and systems
  • Creating and editing custom event views
  • Attaching alerts to users or groups of users
  • Creating alert escalations
  • Customizing alert messages
  • Setting a schedule for each alerting rule
  • Adding and editing groups and assigning users to groups
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Business Blogging On The Up - Technorati State of the Blogosphere 2008

by Paul Thewlis | October 2008 | MySQL Content Management Open Source PHP WordPress

"Technorati recently published its annual report, State of the Blogosphere 2008. As usual, it makes interesting reading, especially for those of us interested in business blogging.

The report shows that Technorati has indexed 133 million blogs since 2002. 1.5 million blogs have been updated in the last 7 days and 7.4 million in the last 120 days. These figures support my argument in the first chapter of my book, WordPress For Business Bloggers, that business bloggers should not be put off by the total number of blogs out there because, in fact, only a small proportion are active."

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Chatroom Application using DWR Java Framework

by Sami Salkosuo | October 2008 | AJAX Java Open Source Web Development

DWR (Direct Web Remoting), is an Open Source Java framework, licensed under commercial-friendly Apache Software License v2 for building AJAX applications. DWR's main idea is to hide AJAX implementation details such as XMLHttpRequest from developers. Developers can concentrate on developing the application and business objects and leave AJAX details behind the scenes where they belong.

In this article by Sami Salkosuo, we discuss a Chatroom application which demonstrates the use of DWR. The Chatroom sample application is a very typical multi-user chatroom. The functionalities of this sample include a list of online users, automatic refresh of chat text, and the ability to send messages to the chat room.

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Comparing Cursor and Set Approaches in Processing Relational Data

by Djoni Darmawikarta | October 2008 | MySQL PHP

MySQL introduced cursor in its release 5. You create a cursor to define a set of rows from one or more table that you want to access row-by-row sequentially. If your need is really to access the rows one at a time then use cursor. But a lot of data processing is actually set processing, and set processing is what relational database is best for.

This article by Djoni Darmawikarta compares cursor approach and set approach using various examples.

Read Comparing Cursor and Set Approaches in Processing Relational Data in full

Oracle SQL Developer Tool 1.5 with SQL Server 2005

by Jayaram Krishnaswamy | October 2008 | .NET

Oracle SQL Developer Tool is a stand alone program that connects to Oracle as well as third-party databases which can be used to perform a variety of tasks from running simple queries to migration of databases from third party vendor products to Oracle. Please review the following articles on the earlier versions 1.1 and 1.2: MS Access Queries with Oracle SQL Developer 1.2 Tool and Migrating MS Access 2003 Data using the Oracle SQL Developer 1.2.

In the present article by Dr. Jayaram Krishnaswamy the latest version of this tool [Oracle SQL Developer 1.5.0.53, IDE Version: 11.1.1.0.22.49. 33] will be described and some details of how to use this tool with SQL Server 2005 will be discussed. While the default installation is ready to connect to Oracle and Access databases the other third-party products such as SQL Server 2005, MySQL and Sybase require additional JDBC drivers. This article describes how you may connect to SQL Server 2005 and SQLExpress servers using the JDBC drivers. The Scratch Editor interface which accepts an SQL Statement from a 3rd party and translates into PL/SQL code is described. This feature was also available in the earlier version.

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Change Control for Personal Projects - Subversion Style

by Gurudutt Talgery | October 2008 | Open Source

Change is a constant companion in our daily routine. Most of what we do is changing (transforming) one work product into another or revising or updating it. We might be transforming requirements into design, design into a prototype, client brief into a story board, idea into a concept document, creating versions of a banner ad, or updating a project plan to reflect progress; the list goes on. In this introductory article by Gurudutt Talgery we will see how we can bring a change management discipline to our work products or personal – not just software – projects with two simple tools on Linux: Subversion and a GUI front-end called eSvn.

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Third-Party Video Hosting on Drupal Websites

by Aaron Winborn | October 2008 | Drupal Open Source Web Graphics & Video

In this article by Aaron Winborn, we will see how to add third-party video on a site. This article talks about the advantages of third-party video hosting and how it can be achieved on websites by using Drupal. Its also gives a proper insight about the Third-Party Video providers and Embedded Media Field, which helps in hosting video from our own server.

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Class-less Objects in JavaScript

by Stoyan Stefanov | October 2008 | AJAX Web Development

Java and JavaScript are very different languages, although the similarity in the names and the similar C-like syntax can confuse people sometimes. In this article by Stoyan Stefanov, let's take a look at one pretty major difference - how objects are created. In Java, you have classes. Then objects, a.k.a. instances, are created based on those classes. In JavaScript, there are no classes and objects are more like hash tables of key-value pairs. Then what about inheritance? OK, one step at a time.

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How to Recover from an Active Directory Failure

by Florian Rommel | October 2008 | .NET Architecture & Analysis Microsoft Networking & Telephony

Active Directory (AD) failure, which includes corruption, is something that is dreaded by any administrator. Simply put, it means that the directory service can no longer read the Active Directory database that it has locally. This will prevent logon and authentication as well as any directory-dependent services. Essentially, it renders the domain controller (DC) useless. What's worse, though, is that several times, the replication keeps going so that the corrupted database spreads out to the other DCs.

In this article by Florian Rommel, we will look at the different options and approaches available to recover a DC that has a database corruption. In addition, this article outlines, symptoms, causes, and solutions for this scenario.

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Modeling Orchestration and Choreography in Service Oriented Architecture

by Michael Havey | October 2008 | Architecture & Analysis BPEL Cookbooks SOA Web Services Java Oracle

So far, the general approach towards SOA has been that it is just a tidying-up of application integration. SOA, according to this approach, is not about building new a business functionality but about organizing existing systems. In this article by Michael Havey, we will see that, in reality, SOA is more than merely getting organized. Its principal mandate is to build something new; indeed, SOA is fundamentally about building new processes. We will consider an approach to SOA architecture that is, yes, methodical, but has the burden of actually designing new and challenging orchestration and ESB processes.

In this article, we will build examples of choreography and orchestration, study best practices for message handling in orchestration processes, and develop fundamental orchestration concepts, such as interaction, invisible hub, and deferred choice.

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Front Page Customization in Moodle

by Alex Büchner | September 2008 | Moodle Content Management Open Source

In this article by Alex Buchner, you would learn how to customize the front page of your Moodle site. Before taking an insight into this, let's first take a general overview of Moodle's look and feel elements.

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CUPS: How to Manage Multiple Printers

by Ankur Shah | September 2008 | Open Source

In this article by Ankur Shah, you will see how to manage multiple printers at a time. Unlike other printing systems, CUPS features a way to let you select a group of printers to print a job instead of selecting just one. In that way, if one printer is busy or down, another printer can be automatically selected to perform the job. Such groupings of printers are called printer classes.

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