ccording to Clemens Szyperski (author of “Component Software?Beyond Object-Oriented Programming,”), software components are binary units of independent production, acquisition, and deployment that interact to form a functioning system. He continues to add that a software component can be deployed independently, is a unit of third-party composition and has no (externally)
isual Basic developers had wanted inheritance for what seems like decades. The feature finally made it into VB.NET, making VB.NET an official object-oriented language. By now you are probably already using inheritance in your applications, but are you fully taking advantage of its potential? As a consultant, I am frequently
esides its email-processing function, the ubiquitous, open-source Procmail utility can be configured to serve as a local delivery agent for any mail transfer agent (MTA) such as Sendmail and Postfix as well. In this capacity, Procmail essentially acts like a filter that can be configured to process selected messages en
Sometimes, you want to handle an event such as a button click on the client first, and then post the click event to the server only under certain conditions. Here’s how to make both click events fire: Create an HTMLControl like this, with the attribute runat set as “server”: Add