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Catalyst Web Framework: Building Your Own Model

by Jonathan Rockway | December 2007 | Architecture & Analysis Open Source

As we know, DBIx::Class can provide a powerful interface to your data. Sometimes, however, DBIx::Class is not the right tool for the job. Situations often arise in which your application won't be able to access database tables directly and instead you'll need to access data through predefined stored procedures. In this case, DBIx::Class would be useless as you aren't able to read and modify objects with the usual SELECT, INSERT, UPDATE, and DELETE command set—everything must be done by calling a procedure and reading back the result. In other cases, your data won't be in a database at all. You might instead choose to store and retrieve information from files in a directory.

In this article, author Jonathan Rockway covers three common cases—mixing a procedural interface with a relational DBIx::Class interface, writing a database interface without DBIx:: Class, and building a custom Model that doesn't use a database at all.

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Lotus Notes 8 — Productivity Tools

by Barry Max Rosen Bennie Gibson Brad Schauf David Byrd Dick McCarrick Joseph Anderson Stephen Hardison Tim Speed | December 2007 | Architecture & Analysis

With the Lotus Notes 8 client comes a new suite of productivity tools which support the OASIS Open Document Format (ODF). ODF is an international standard that provides support for multiple file formats for word processing, presentations, and spreadsheets. By adopting this format, IBM has allowed Notes users to read and save documents in the Microsoft Office format as well as read from IBM Lotus SmartSuite documents. Both can be saved as ODF documents or as PDF format documents.

The advantage of using the productivity tools with ODF is that you no longer have to purchase an application from a single vendor in order to share and save your documents. Using a non commercial ODF product, will allow you to avoid having to maintain licenses, and also allow you to stop worrying about your software reaching the end of its shelf life. These benefits can lead to a lower TCO for maintaining software for document-based data.

In this article, the authors provide an overview of the three productivity tools that are provided with the client:

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Python LDAP Applications: Part 3 - More LDAP Operations and the LDAP URL Library

by Matt Butcher | December 2007 | Architecture & Analysis Linux Servers Open Source

This is the third article in the article mini-series on Python LDAP applications by Matt Butcher. The first part deals with the installation and configuration of Python-LDAP library, and the binding-unbinding operations, and changing of the LDAP password. The second article takes a look at some of LDAP operations.

In this article we will see some more LDAP operations such as add operation, delete operation etc. Then we will take a look at LDAP URL Library.

Read Python LDAP Applications: Part 3 - More LDAP Operations and the LDAP URL Library in full

Photoshop Foundation - The Difference between Vector and Bitmap Graphics

by Jonny Allbut | December 2007 | MySQL Open Source PHP Web Graphics & Video

The aim of this Photoshop Foundation series is to give both beginners, and more experienced users, all the information they need to use Photoshop as efficiently as possible. This series aims to both, guide you through the more confusing aspects of Photoshop, and show you the very best ways to use this application.

In this first article, we are going to look at the difference between vector and bitmap graphics, which is one of the most important principles to understand when working with graphics on a computer, inside or outside of Photoshop.

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Securing XML Documents

by Frank Jennings Poornachandra Sarang Ramesh Loganathan | December 2007 | BPEL SOA Web Services

The web services model brings into the system unique security challenges because the business data in the form of XML documents may be required to travel across untrusted networks and has the chance of being manipulated by external systems.

Throughout the entire business transaction, different classes of users and systems need access to the entire business transaction. If any part of this chain is compromised, the whole business application deployed as a service will fail. Web services are inherently about how to share the process of computing across a distributed network of systems. Web services' communication channel being XML, messages are text-based, readable, and self describing.

In this article, authors Poornachandra Sarang, Frank Jennings, Matjaz Juric, and Ramesh Loganathan explain the XML security threats and the guidelines for securing your XML Documents.

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