"Do Unto Others" redirects here. For the 1915 silent film, see Do Unto Others (film). "Golden Rule Sign" that hung above the door of the employees' entrance to the Acme Sucker Rod Factory in Toledo, Ohio, 1913. The Golden Rule is the principle of treating others as one would want to be treated by them. It is sometimes called an ethics of reciprocity, meaning that you should reciprocate to others h
Free solo climbs of big wall routes The first person to free solo a route on El Capitan Speed record holder on The Nose of El Capitan Alex Honnold (born August 17, 1985) is an American rock climber best known for his free solo ascents of big walls. Honnold rose to worldwide fame in June 2017 when he became the first person to free solo a route on El Capitan in Yosemite National Park (via the 2,900
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Meta refresh is a method of instructing a web browser to automatically refresh the current web page or frame after a given time interval, using an HTML meta element with the http-equiv parameter set to "refresh" and a content parameter giving the time interval in seconds. It is also possible to instruct the browser to fetch a different URL when the page is refreshed, by including the alternative U
For Wikipedia's policy on editing from open proxies, see Wikipedia:Open proxies. Communication between two computers connected through a third computer acting as a proxy server. This can protect Alice's privacy, as Bob only knows about the proxy and cannot identify or contact Alice directly. In computer networking, a proxy server is a server application that acts as an intermediary between a clien
Reserved characters that have no reserved purpose in a particular context may also be percent-encoded but are not semantically different from those that are not. In the "query" component of a URI (the part after a ? character), for example, / is still considered a reserved character but it normally has no reserved purpose, unless a particular URI scheme says otherwise. The character does not need
URL redirection, also called URL forwarding, is a World Wide Web technique for making a web page available under more than one URL address. When a web browser attempts to open a URL that has been redirected, a page with a different URL is opened. Similarly, domain redirection or domain forwarding is when all pages in a URL domain are redirected to a different domain, as when wikipedia.com and wiki
An example of an undirected hypergraph, with and . This hypergraph has order 7 and size 4. Here, edges do not just connect two vertices but several, and are represented by colors. Alternative representation of the hypergraph reported in the figure above, called PAOH.[1] Edges are vertical lines connecting vertices. V7 is an isolated vertex. Vertices are aligned to the left. The legend on the right
ISO 31-11:1992 was the part of international standard ISO 31 that defines mathematical signs and symbols for use in physical sciences and technology. It was superseded in 2009 by ISO 80000-2:2009 and subsequently revised in 2019 as ISO-80000-2:2019.[1] It included definitions for symbols for mathematical logic, set theory, arithmetic and complex numbers, functions and special functions and values,
In mathematics, a Coxeter group, named after H. S. M. Coxeter, is an abstract group that admits a formal description in terms of reflections (or kaleidoscopic mirrors). Indeed, the finite Coxeter groups are precisely the finite Euclidean reflection groups; for example, the symmetry group of each regular polyhedron is a finite Coxeter group. However, not all Coxeter groups are finite, and not all c
A pictorial representation of a simple linear program with two variables and six inequalities. The set of feasible solutions is depicted in yellow and forms a polygon, a 2-dimensional polytope. The optimum of the linear cost function is where the red line intersects the polygon. The red line is a level set of the cost function, and the arrow indicates the direction in which we are optimizing. A cl
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