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Socket.IO. Socket.IO is an event-driven library for real-time web applications. It enables real-time, bi-directional communication between web clients and servers. [3] It consists of two components: a client, and a server. Both components have a nearly identical API. Socket.IO is also a protocol, [4] where different complying implementations of ...
Comet (programming) Comet is a web application model in which a long-held HTTPS request allows a web server to push data to a browser, without the browser explicitly requesting it. [1][2] Comet is an umbrella term, encompassing multiple techniques for achieving this interaction. All these methods rely on features included by default in browsers ...
e. XMLHttpRequest (XHR) is an API in the form of a JavaScript object whose methods transmit HTTP requests from a web browser to a web server. [1] The methods allow a browser-based application to send requests to the server after page loading is complete, and receive information back. [2] XMLHttpRequest is a component of Ajax programming.
Polling (computer science) Polling, or interrogation, refers to actively sampling the status of an external device by a client program as a synchronous activity. Polling is most often used in terms of input/output (I/O), and is also referred to as polled I/O or software-driven I/O. A good example of hardware implementation is a watchdog timer.
Election officials in Colorado are crediting advanced ballot matching technology for snuffing out a scheme to fraudulently cast as many as a dozen ballots in the upcoming presidential election.
A launch status check, also known as a "go/no go poll" and several other terms, occurs at the beginning of an American spaceflight mission in which flight controllers monitoring various systems are queried for operation and readiness status before a launch can proceed. For Space Shuttle missions, in the firing room at the Launch Control Center ...
The Emerson College Polling/The Hill survey was conducted Oct. 5-8. The sample size in Arizona, Georgia, North Carolina, Pennsylvania, and Wisconsin was 1,000 likely voters apiece, leading to a 3 ...
JavaScript and XML. Ajax (also AJAX / ˈeɪdʒæks /; short for " asynchronous JavaScript and XML " [1][2]) is a set of web development techniques that uses various web technologies on the client-side to create asynchronous web applications. With Ajax, web applications can send and retrieve data from a server asynchronously (in the background ...