(Kirk Knoernschild) In the first part of this series we looked at the basics of UML, it’s history and how to pick a UML tool. This time around we are going to explore how to use the Unified Modeling Language (UML) when developing Java applications. While we are using some basic Java for this exa

(Giusseppe Naccarato and Alessandro Lacava) Steganography, literally “hidden writing,” is nowadays most often associated with embedding data in some form of electronic media. Data is hidden by adding or altering insignificant bits of information of a file. For example, an algorithm designed to embed

(Manni Wood) You can and should automate routine database tasks, to remove the possibility of user error and to let yourself focus on other, more interesting work. If you use PostgreSQL on Unix or Linux, you can combine the shell with PostgreSQL’s psql client to automate database chores.

(Rob Long) If you have ever developed an ASP.NET application that uses a mixture of client-side and server-side validation, you will have more than likely run into the problem of formatting the error messages in a consistent manner. This is especially true when embedding multiple user controls on a

(Frank Giannino) Sybase’s DataWindow .NET provides a powerful tool for creating data driven applications with capabilities far beyond the native DataGrid. With it, you can develop flexible, high performance, visually appealing applications with very little coding. The native DataWindow properties, e

In today’s global economy, businesses depend on the Internet like never before. Yet, while it has become more convenient to do business online, it has also become more difficult to ensure reliable and secure data exchange and communications. (pdf)

(Graham Parker) Knowing how and where to store things is bread and butter stuff for an Application Developer. Applications need to store state information, options, user settings, configuration information, connection strings, their data, system information and much more. Choosing where to store thi

(Mike Meyer) Just about every business has a need to predict or to understand specific aspects of consumer behavior. Financial institutions want to know about the risk of default or bankruptcy; cell phone operators need to understand attrition and churn; grocers want to know the likelihood that a pa

(Todd Shraml) It takes some mental adjusting to adapt to data warehousing methods of data structure design. Both first-time data warehousers and experienced folks, who have kept their noses a little too close to that proverbial grindstone, can run into problems when attempting a query against a lone

(Scott Mitchell) Any piece of data or information is limited its usefulness by how it is presented. For example, the sales figures for your company for the past year may seem like very important and useful information, but if this data is presented as, say, a raw data dump, spanning hundreds of page