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  2. Reed–Solomon error correction - Wikipedia

    en.wikipedia.org/wiki/Reed–Solomon_error...

    The Reed–Solomon code is a [n, k, n − k + 1] code; in other words, it is a linear block code of length n (over F) with dimension k and minimum Hamming distance = + The Reed–Solomon code is optimal in the sense that the minimum distance has the maximum value possible for a linear code of size ( n , k ); this is known as the Singleton bound .

  3. Error correction code - Wikipedia

    en.wikipedia.org/wiki/Error_correction_code

    The code-rate is hence a real number. A low code-rate close to zero implies a strong code that uses many redundant bits to achieve a good performance, while a large code-rate close to 1 implies a weak code. The redundant bits that protect the information have to be transferred using the same communication resources that they are trying to protect.

  4. List of Schedule II controlled substances (U.S.) - Wikipedia

    en.wikipedia.org/wiki/List_of_Schedule_II...

    This is the list of Schedule II controlled substances in the United States as defined by the Controlled Substances Act. [ 1] The following findings are required for substances to be placed in this schedule: [ 2] The drug or other substance has a high potential for abuse. The drug or other substance has a currently accepted medical use in ...

  5. List of ISBN registration groups - Wikipedia

    en.wikipedia.org/wiki/List_of_ISBN_registration...

    In 2007, the length of an ISBN changed from 10 to 13 digits, and a new 3-digit prefix (978 or 979) was added in front of 10-digit ISBNs. [ 2] The following registration groups are compatible with or without a 978- prefix: 0–5. 600–639. 64–69. 7. 80–94. 950–989. 9900–9989.

  6. 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 ...

  7. List of ISO 3166 country codes - Wikipedia

    en.wikipedia.org/wiki/List_of_ISO_3166_country_codes

    See the ISO 3166-3 standard for former country codes. British Virgin Islands – See Virgin Islands (British) . Burma – See Myanmar . Cape Verde – See Cabo Verde . Caribbean Netherlands – See Bonaire, Sint Eustatius and Saba . China, The Republic of – See Taiwan (Province of China) . Democratic People's Republic of Korea – See Korea ...

  8. Bureau of Alcohol, Tobacco, Firearms and Explosives

    en.wikipedia.org/wiki/Bureau_of_Alcohol,_Tobacco...

    In 2021, a whistleblower informed the public that the ATF was giving a 25% monetary bonus to at least 94 of its employees. [73] The benefit is known as law enforcement availability pay, or LEAP, that was only reserved for "criminal investigators" who are on call and expected to work unscheduled, additional hours. [ 73 ]

  9. Papias of Hierapolis - Wikipedia

    en.wikipedia.org/wiki/Papias_of_Hierapolis

    Papias (Greek: Παπίας) was a Greek Apostolic Father, Bishop of Hierapolis (modern Pamukkale, Turkey), and author who lived c. 60 – c. 130 AD [2] [3] He wrote the Exposition of the Sayings of the Lord (Greek: Λογίων Κυριακῶν Ἐξήγησις) in five books.