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  2. Hadamard code - Wikipedia

    en.wikipedia.org/wiki/Hadamard_code

    Hadamard codes are obtained from an n-by-n Hadamard matrix H. In particular, the 2n codewords of the code are the rows of H and the rows of −H. To obtain a code over the alphabet {0,1}, the mapping −1 ↦ 1, 1 ↦ 0, or, equivalently, x ↦ (1 − x)/2, is applied to the matrix elements.

  3. Australian railway telegraphic codes - Wikipedia

    en.wikipedia.org/wiki/Australian_railway...

    Australian railway telegraphic codes were devised to reduce the size of telegraphic messages, though some survived into the telephone era. They were used in telegrams between various parts of the railway system, such as offices, stations, locomotive depots and goods yards. There is a distinction between the telegraphic codes, and telegraphic ...

  4. File:Link-code-word.svg - Wikipedia

    en.wikipedia.org/wiki/File:Link-code-word.svg

    How a link code word (a 16bit word) is encoded in a train of fast link pulses (which is shown in Image:Fast-link-pulses.svg). This is part of the autonegotiating process used by Ethernet devices over twisted pairs and RJ45 connectors. Date: 30 June 2006: Source: Own work: Author: Paolo Liberatore: Permission (Reusing this file) Own work

  5. Glossary of Mafia-related words - Wikipedia

    en.wikipedia.org/.../Glossary_of_Mafia-related_words

    goomar or goomah: Americanized form of comare, a Mafia mistress . goombah: an associate, especially a senior member of a criminal gang. heavy: packed, carrying a weapon. hit: to murder; also see whack. initiation or induction: becoming a made man. juice: the interest paid to a loan shark for the loan; also see vig.

  6. The Da Vinci Code (film) - Wikipedia

    en.wikipedia.org/wiki/The_Da_Vinci_Code_(film)

    The Da Vinci Code is a 2006 mystery thriller film directed by Ron Howard, written by Akiva Goldsman, and based on Dan Brown 's 2003 novel of the same name. The first in the Robert Langdon film series, the film stars Tom Hanks, Audrey Tautou, Ian McKellen, Alfred Molina, Jürgen Prochnow, Jean Reno and Paul Bettany.

  7. D-Day Daily Telegraph crossword security alarm - Wikipedia

    en.wikipedia.org/wiki/D-Day_Daily_Telegraph...

    On 18 August 1942, a day before the Dieppe raid, 'Dieppe' appeared as an answer in The Daily Telegraph crossword (set on 17 August 1942) (clued "French port"), causing a security alarm. The War Office suspected that the crossword had been used to pass intelligence to the enemy and called upon Lord Tweedsmuir, then a senior intelligence officer ...

  8. ISO 3166-1 alpha-2 - Wikipedia

    en.wikipedia.org/wiki/ISO_3166-1_alpha-2

    ISO 3166-1 alpha-2 codes are two-letter country codes defined in ISO 3166-1, part of the ISO 3166 standard [1] published by the International Organization for Standardization (ISO), to represent countries, dependent territories, and special areas of geographical interest. They are the most widely used of the country codes published by ISO (the ...

  9. List of U.S. Department of Defense and partner code names

    en.wikipedia.org/wiki/List_of_U.S._Department_of...

    A list of several such code words can be seen at Byeman Control System. Exercise terms – a combination of two words, normally unclassified, used exclusively to designate an exercise or test [1] In 1975, the Joint Chiefs of Staff introduced the Code Word, Nickname, and Exercise Term System (NICKA) which automated the assignment of names.