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Access Control in PHP5 CMS - Part 2

by Martin Brampton | January 2009 | MySQL Content Management Open Source PHP

In Part 1, we had a look at the Discussion and Considerations of highly flexible role-based access control system (RBAC). In this part of the article by Martin Brampton, we will look at the database implementation. Also we will discuss the code for administering RBAC, and consider in outline how questions about access can be answered.

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Installation and basic features of EnterpriseDB

by Jayaram Krishnaswamy | January 2009 | MySQL PHP

Postgres is the well known and most used Open Source OLTP database available today. EnterpriseDB sits atop Postgres and leverages it to provide enterprise capabilities to Postgres users. EnterpriseDB is available for Windows platform as well. It has most of the necessary features of an enterprise class such as advanced development, monitoring, migration and administrative tools with a stable environment. It also has plug-in capabilities for Oracle. In the present form EnterpriseDB claims cost effectiveness versus Oracle and better scalability than MySQL. It can easily integrate with most applications such as Java, Ajax, Ruby, Drupal etc. This article by Dr. Jayaram Krishnaswamy mainly describes the installation of EnterpriseDB and the basic features to get started on this important database product.

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Binding Web Services in ESB—Web Services Gateway

by Binildas A. Christudas | January 2009 | BPEL SOA Web Services Java Open Source

Since SOI (Service Oriented Integration) is all about integrating multiple SOA-based systems, web services play a critical role in the integration space. This article is all about the importance of web services in integration. We will use the samples to illustrate how to bind web services with the ServiceMix ESB to facilitate integration.

In this article by Binildas A. Christudas, we will cover the following:

  • Web services and binding
  • Introduction to HTTP
  • ServiceMix's servicemix-http component
  • The consumer and provider roles for the ServiceMix JBI components
  • servicemix-http in the consumer and provider roles
  • Web service binding (Gateway) sample
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Find closest mashup plugin with Ruby on Rails

by Chang Sau Sheong | January 2009 | Open Source

In this article by Chang Sau Sheong we will explore the 'Find closest' mashup plugin and map a fleet of kiosks in an online map. This mashup plugin allows your Rails website or application to have an additional feature that allows your users to find the location of the closest facility from a particular geographic location based on a specified search radius. This mashup plugin integrates with your existing website that has a database of locations of the facilities.

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Textures in Blender

by Allan Brito | January 2009 | Open Source Web Graphics & Video

In this article by Allan Brito, we will learn how to use textures to give our materials more realism. The biggest problem of working with textures is actually finding or creating a good texture. That's why, its highly recommended that you start as soon as possible to create your own texture library. Textures are mostly image files, which represent certain kinds of surfaces such as wood or stone. They work like wallpaper, which we can place on a surface or object. For instance, if we place an image of wood on a plane, it will give the impression that the plane is made of wood. That's the main principle of using textures. We will make an object look like something in the real world using a texture. For some projects, we may need a special kind of texture, which won't be found in a common library. So we will have to take a picture ourselves, or buy an image from someone. But don't worry, because often we deal with common surfaces that have common textures too.

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