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Today's featured picture. Trithemis annulata, commonly known as the violet dropwing, is a species of dragonfly in the family Libellulidae. It is found in most of Africa, the Middle East, and southern Europe. Males of this species are violet-red with red veins in the wings, while females are yellow and brown.
E-commerce (electronic commerce) is the activity of electronically buying or selling products on online services or over the Internet.E-commerce draws on technologies such as mobile commerce, electronic funds transfer, supply chain management, Internet marketing, online transaction processing, electronic data interchange (EDI), inventory management systems, and automated data collection systems.
The Dynamic Host Configuration Protocol ( DHCP) is a network management protocol used on Internet Protocol (IP) networks for automatically assigning IP addresses and other communication parameters to devices connected to the network using a client–server architecture. [1]
API. Screenshot of web API documentation written by NASA demonstrating the use of APOD. An application programming interface ( API) is a way for two or more computer programs or components to communicate with each other. It is a type of software interface, offering a service to other pieces of software. [1]
History The distribution was first introduced by Siméon Denis Poisson (1781–1840) and published together with his probability theory in his work Recherches sur la probabilité des jugements en matière criminelle et en matière civile (1837).: 205-207 The work theorized about the number of wrongful convictions in a given country by focusing on certain random variables N that count, among ...
The Twelfth Amendment ( Amendment XII) to the United States Constitution provides the procedure for electing the president and vice president. It replaced the procedure in Article II, Section 1, Clause 3, under which the Electoral College originally functioned. The amendment was proposed by Congress on December 9, 1803, and was ratified by the ...
In electrical engineering, a capacitor is a device that stores electrical energy by accumulating electric charges on two closely spaced surfaces that are insulated from each other. The capacitor was originally known as the condenser, [1] a term still encountered in a few compound names, such as the condenser microphone.
