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Worldwide distribution of country calling codes. Regions are coloured by first digit. Country calling codes, country dial-in codes, international subscriber dialing (ISD) codes, or most commonly, telephone country codes are telephone number prefixes for reaching telephone subscribers in foreign countries or areas via international telecommunication networks.
This class of status code indicates the client must take additional action to complete the request. Many of these status codes are used in URL redirection. [2]A user agent may carry out the additional action with no user interaction only if the method used in the second request is GET or HEAD.
Hospital emergency codes are coded messages often announced over a public address system of a hospital to alert staff to various classes of on-site emergencies. The use of codes is intended to convey essential information quickly and with minimal misunderstanding to staff while preventing stress and panic among visitors to the hospital.
Code page 869 (CCSID 869) (CP 869, IBM 869, OEM 869) is a code page used under DOS to write Greek [2] and may also be used to get Greek letters for other uses such as math. [citation needed] It is also called DOS Greek 2. [3] It was designed to include all characters from ISO 8859-7. Code page 869 was not as popular as code page 737. [citation ...
The QR code system was invented in 1994, at the Denso Wave automotive products company, in Japan. [5] [6] [7] The initial alternating-square design presented by the team of researchers, headed by Masahiro Hara, was influenced by the black counters and the white counters played on a Go board; [8] the pattern of position detection was found and determined by applying the least-used ratio (1:1:3 ...
As of May 2019, Microsoft added the capability to force UTF-8 to be used as the "code page" for the Windows API in an application; and Microsoft recommends programmers use UTF-8, [66] and even states "UTF-16 [...] is a unique burden that Windows places on code that targets multiple platforms". [3]
ASCII (/ ˈ æ s k iː / ⓘ ASS-kee), [3]: 6 an acronym for American Standard Code for Information Interchange, is a character encoding standard for electronic communication. . ASCII codes represent text in computers, telecommunications equipment, and other devic
These "rate-distortion" models [107] suggest that the genetic code originated as a result of the interplay of the three conflicting evolutionary forces: the needs for diverse amino acids, [108] for error-tolerance [103] and for minimal resource cost. The code emerges at a transition when the mapping of codons to amino acids becomes nonrandom.