(Peyton McCullough) We all know that objects are created from classes. But can a class be created from a class? Yes it can; this is called a metaclass. They give us a great deal of power when it comes to changing the behavior of a class. Python 2.2 supports metaclasses.
Other News
Discover the benefits of using MSDE with SQL
(Arthur Fuller) Even if you’ve checked out Microsoft Data Engine’s specifications, you might conclude that it’s little more than a testbed for developers on a budget. Microsoft’s documentation suggests that MSDE is useful only for a small number of users, yet many developers are pushing it far beyon
Microsoft Computing: Visual Studio .NET 2005
(Chris Peters) In this latest release of Visual Studio, Microsoft has added some welcome enhancements to the Web and Windows programming environments, especially for larger shops. But also included in the November 7 release announcement is a new version of SQL Server 2005 and early next year, a
See how many CPUs are on your server via SQL
(Chris Eaton) Similar to the new table functions for accessing the recovery history file via SQL, DB2 8.2.2 also added new UDFs for accessing environmental information via SQL.
XML Data Binding using Data Templates in XAML
(Doug Cook) Avalon provides a number of conveniences in terms of accessing and binding external data sources. This tutorial shows how you can bind and display XML data using a data template in XAML. This technique is also known as creating an XML data island. For this example we will create a ver
Integrate unstructured content into a distributed federated system, Part 1: Build a connector for WebSphere Information Integrator Content Edition
(Ryan Graciano) WebSphere Information Integrator Content Edition (II CE) provides a single, uniform, Java-based, bi-directional interface to any number of disparate content repositories and workflow systems. This single interface makes it easy for application developers to integrate all of their inf
What to Expect When Installing the .NET Framework Version 2.0 and SDK
(Ziran Sun) Unless you’ve been living under a rock for the last month, you almost certainly know that Microsoft recently released the .NET Framework Version 2.0. The first step to developing great applications using this new technology is to get it installed and start exploring the many resources av
The E-form Revolution
(Bernard Chester) Digital processes have transformed many businesses, providing instantaneous access to information and information systems. Customers are now able to interact directly with business systems. Yet many businesses still rely on paper forms for business processes.
Stronger Measures
(George Demarest) For thousands of years, we have used measurements in all walks of life, even if our early practices were a bit more approximate than they are today. For a very long while, a foot of measurement was actually the length of your foot.
SQL Server 2005: Recursive Hierarchies to XML – CTEs vs. UDFs
(Christian Wade) Suppose we have a recursive hierarchy stored in a relational database and we want to write it to XML. This might be for a variety of reasons – e.g. as a pre-cached input to a UI control, to export to another system using a pre-defined format, etc.