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The domain name .edu is a sponsored top-level domain (sTLD) in the Domain Name System of the Internet. The domain was implemented in 1985 to create a domain name hierarchy for organizations with a focus on education. At the time, it was open for registration for entities from any region.
As of 20 May 2017, there were 255 country-code top-level domains, purely in the Latin alphabet, using two-character codes. As of June 2022 [update] , the number was 316, with the addition of internationalized domains.
The QR code system was invented in 1994, at the Denso Wave automotive products company, in Japan. 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; the pattern of position detection was found and determined by applying the least-used ratio (1:1:3:1:1) in black ...
Coupon. In marketing, a coupon is a ticket or document that can be redeemed for a financial discount or rebate when purchasing a product . Customarily, coupons are issued by manufacturers of consumer packaged goods [1] or by retailers, to be used in retail stores as a part of sales promotions. They are often widely distributed through mail ...
An expansion of the 400 Bad Request response code, used when a client certificate is required but not provided. 497 HTTP Request Sent to HTTPS Port. An expansion of the 400 Bad Request response code, used when the client has made a HTTP request to a port listening for HTTPS requests. 499 Client Closed Request.
A UPC-A barcode. A barcode or bar code is a method of representing data in a visual, machine-readable form. Initially, barcodes represented data by varying the widths, spacings and sizes of parallel lines. These barcodes, now commonly referred to as linear or one-dimensional (1D), can be scanned by special optical scanners, called barcode ...
The United States Code (formally the Code of Laws of the United States of America [1]) is the official codification of the general and permanent federal statutes of the United States. [2] It contains 53 titles (Titles 1–54, excepting Title 53, which is reserved for a proposed title on small business ).
36 – Hungary (formerly assigned to Turkey, now at 90) 37 – formerly assigned to East Germany until its reunification with West Germany, now part of 49 Germany. 370 – Lithuania. 371 – Latvia. 372 – Estonia. 373 – Moldova (formerly 7/042 as Moldavian SSR) 374 – Armenia (formerly 7/885 as Armenian SSR) 375 – Belarus.