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The Visitor [1] design pattern is one of the twenty-three well-known Gang of Four design patterns that describe how to solve recurring design problems to design flexible and reusable object-oriented software, that is, objects that are easier to implement, change, test, and reuse.
Session ID. In computer science, a session identifier, session ID or session token is a piece of data that is used in network communications (often over HTTPS) to identify a session, a series of related message exchanges. Session identifiers become necessary in cases where the communications infrastructure uses a stateless protocol such as HTTP.
Sample form. The form is enclosed in an HTML table for visual layout. Forms are enclosed in the HTML <form> element. This HTML element specifies the communication endpoint the data entered into the form should be submitted to, and the method of submitting the data, GET or POST. Elements. Forms can be made up of standard graphical user interface ...
David M. Cote (Chairman and CEO of Honeywell International) was the most frequent business visitor to the White House during the Obama administration. While Obama's release of the logs was generally praised by transparency activists, [1] the Sunlight Foundation noted, "The voluntary system can be too easily circumvented.
Here's how: Complete the form below to receive a long listing of our disease-specific content pages, along with titles, descriptions, and URLs. Select an article from the suggested list or link to a specific article of your choice. Copy the title to use for the linking text, the URL to link to, and the description if further information is ...
Web portal. A web portal is a specially designed website that brings information from diverse sources, like emails, online forums and search engines, together in a uniform way. Usually, each information source gets its dedicated area on the page for displaying information (a portlet ); often, the user can configure which ones to display.
Web navigation. Navigating to using a. Web navigation refers to the process of navigating a network of information resources in the World Wide Web, which is organized as hypertext or hypermedia. [1] The user interface that is used to do so is called a web browser. [2]
The Digital Visitor and Resident ( V&R) model provides a framework to depict how user preference and habit motivates engagement with technology and the web. V&R is commonly described as a continuum, with two modes of online engagement at either end, making a separation between different approaches to engagement.