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  2. Magic number (programming) - Wikipedia

    en.wikipedia.org/wiki/Magic_number_(programming)

    Magic numbers become particularly confusing when the same number is used for different purposes in one section of code. It is easier to alter the value of the number, as it is not duplicated. Changing the value of a magic number is error-prone, because the same value is often used several times in different places within a program. [6]

  3. List of file signatures - Wikipedia

    en.wikipedia.org/wiki/List_of_file_signatures

    In the table below, the column "ISO 8859-1" shows how the file signature appears when interpreted as text in the common ISO 8859-1 encoding, with unprintable characters represented as the control code abbreviation or symbol, or codepage 1252 character where available, or a box otherwise. In some cases the space character is shown as ␠.

  4. Hexspeak - Wikipedia

    en.wikipedia.org/wiki/Hexspeak

    Hexspeak is a novelty form of variant English spelling using the hexadecimal digits. Created by programmers as memorable magic numbers, hexspeak words can serve as a clear and unique identifier with which to mark memory or data.

  5. Magic number - Wikipedia

    en.wikipedia.org/wiki/Magic_number

    Magic Number (game), a pricing game on The Price is Right "Magic Number" (song), a song by Maaya Sakamoto "The Magic Number", a 1990 song by De La Soul from 3 Feet High and Rising; The Magic Numbers, a British rock band; Magic Numbers or Hannah Fry's Magic Numbers, a 2018 series of episodes about Mathematics, presented by Hannah Fry.

  6. Magic string - Wikipedia

    en.wikipedia.org/wiki/Magic_string

    Restricting the format of the input is a possible maintenance (bug fixing) solution — essentially this means validating input information to check that it is in the correct format, in order to reduce the possibility of the magic string being discovered by the user. Examples include validating a telephone number to ensure that it contains only ...

  7. Mitchell (surname) - Wikipedia

    en.wikipedia.org/wiki/Mitchell_(surname)

    Mitchell or Mitchel is an English, Scottish and Irish surname with three etymological origins. In some cases, the name is derived from the Middle English and Old French (and Norman French) name Michel, a vernacular form of the name Michael. [1]

  8. Magic number (physics) - Wikipedia

    en.wikipedia.org/wiki/Magic_number_(physics)

    For instance, the magic number 8 occurs when the 1s 1/2, 1p 3/2, 1p 1/2 energy levels are filled, as there is a large energy gap between the 1p 1/2 and the next highest 1d 5/2 energy levels. The atomic analog to nuclear magic numbers are those numbers of electrons leading to discontinuities in the ionization energy .

  9. Associative magic square - Wikipedia

    en.wikipedia.org/wiki/Associative_magic_square

    The number zero for n = 6 is an example of a more general phenomenon: associative magic squares do not exist for values of n that are singly even (equal to 2 modulo 4). [3] Every associative magic square of even order forms a singular matrix , but associative magic squares of odd order can be singular or nonsingular.