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  2. Variation Selectors Supplement - Wikipedia

    en.wikipedia.org/wiki/Variation_Selectors_Supplement

    Variation Selectors Supplement is a Unicode block containing additional variation selectors beyond those found in the Variation Selectors block. These combining characters are named variation selector-17 (for U+E0100) through to variation selector-256 (U+E01EF), abbreviated VS17 – VS256.

  3. Minecraft modding - Wikipedia

    en.wikipedia.org/wiki/Minecraft_modding

    Client mods can change the appearance and some behavior of the game. Server only mods (commonly referred to as plugins) can change behavior, and often add minigames, anti-cheat, or login systems. For more complex features such as adding new blocks, items, mobs, or dimensions, or changing some existing features, an equivalent mod must be added ...

  4. Initialization vector - Wikipedia

    en.wikipedia.org/wiki/Initialization_vector

    For block ciphers, the use of an IV is described by the modes of operation. Some cryptographic primitives require the IV only to be non-repeating, and the required randomness is derived internally. In this case, the IV is commonly called a nonce (a number used only once), and the primitives (e.g. CBC) are considered stateful rather than ...

  5. Variation Selectors (Unicode block) - Wikipedia

    en.wikipedia.org/wiki/Variation_Selectors...

    Variation Selectors is a Unicode block containing 16 variation selectors used to specify a glyph variant for a preceding character. They are currently used to specify standardized variation sequences for mathematical symbols, emoji symbols, 'Phags-pa letters, and CJK unified ideographs corresponding to CJK compatibility ideographs.

  6. Block cipher mode of operation - Wikipedia

    en.wikipedia.org/wiki/Block_cipher_mode_of_operation

    Note that a one-bit change in a plaintext or initialization vector (IV) affects all following ciphertext blocks. Decrypting with the incorrect IV causes the first block of plaintext to be corrupt but subsequent plaintext blocks will be correct. This is because each block is XORed with the ciphertext of the previous block, not the plaintext, so ...

  7. Block code - Wikipedia

    en.wikipedia.org/wiki/Block_code

    The block length of a block code is the number of symbols in a block. Hence, the elements c {\displaystyle c} of Σ n {\displaystyle \Sigma ^{n}} are strings of length n {\displaystyle n} and correspond to blocks that may be received by the receiver.

  8. chmod - Wikipedia

    en.wikipedia.org/wiki/Chmod

    chown, the command used to change the owner of a file or directory on Unix-like systems; chgrp, the command used to change the group of a file or directory on Unix-like systems; cacls, a command used on Windows NT and its derivatives to modify the access control lists associated with a file or directory; attrib

  9. Radar, Gun Laying, Mk. I and Mk. II - Wikipedia

    en.wikipedia.org/wiki/Radar,_Gun_Laying,_Mk._I...

    The first mention of radar in the UK was a 1930 suggestion made by W. A. S. Butement and P. E. Pollard of the Army War Office's Signals Experimental Establishment (SEE). [1] [2] They proposed building a radar system for detecting ships to be used with shore batteries, and went so far as to build a low-power breadboard prototype using pulses at 50 cm wavelength (600 MHz).