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  2. Ten-code - Wikipedia

    en.wikipedia.org/wiki/Ten-code

    Ten-code. Ten-codes, officially known as ten signals, are brevity codes used to represent common phrases in voice communication, particularly by law enforcement and in citizens band (CB) radio transmissions. The police version of ten-codes is officially known as the APCO Project 14 Aural Brevity Code. [1]

  3. List of highest-income ZIP Code Tabulation Areas in the ...

    en.wikipedia.org/wiki/List_of_highest-income_ZIP...

    v. t. e. The following is a list of the highest-income ZCTAs in the United States. ZCTAs or ZIP Code Tabulation Areas are the census equivalent of ZIP codes used for statistical purposes. The reason why regular ZIP codes are not used is because they are defined by routes rather than geographic boundaries. Thus, they have the tendency to overlap ...

  4. 20 (number) - Wikipedia

    en.wikipedia.org/wiki/20_(number)

    Twenty is a pronic number, as it is the product of consecutive integers, namely 4 and 5. [3] It is the third composite number to be the product of a squared prime and a prime (and also the second member of the 22 × q family in this form). It has an aliquot sum of 22; a semiprime, within an aliquot sequence of four composite numbers (20, 22, 14 ...

  5. List of HTTP status codes - Wikipedia

    en.wikipedia.org/wiki/List_of_HTTP_status_codes

    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.

  6. VAT identification number - Wikipedia

    en.wikipedia.org/wiki/VAT_identification_number

    A value-added tax identification number or VAT identification number ( VATIN [1]) is an identifier used in many countries, including the countries of the European Union, for value-added tax purposes. In the EU, a VAT identification number can be verified online at the EU's official VIES [2] website. It confirms that the number is currently ...

  7. List of FTP server return codes - Wikipedia

    en.wikipedia.org/.../List_of_FTP_server_return_codes

    List of FTP server return codes. FTP server return codes always have three digits, and each digit has a special meaning. [1] The first digit denotes whether the response is good, bad or incomplete: Range. Purpose. 1xx. Positive Preliminary reply. The requested action is being initiated; expect another reply before proceeding with a new command ...

  8. Refinitiv Identification Code - Wikipedia

    en.wikipedia.org/wiki/Refinitiv_Identification_Code

    Refinitiv Identification Code. A Refinitiv Instrument Code [1] (previously Reuters Instrument Code), or RIC, is a ticker -like code used by Refinitiv to identify financial instruments and indices. The codes are used for looking up information on various Refinitiv financial information networks (such as Refinitiv Real Time) and appear to have ...

  9. G-code - Wikipedia

    en.wikipedia.org/wiki/G-code

    G-code. G-code (also RS-274) is the most widely used computer numerical control (CNC) and 3D printing programming language. It is used mainly in computer-aided manufacturing to control automated machine tools, as well as for 3D-printer slicer applications. The G stands for geometry. G-code has many variants.

  10. 020 - Wikipedia

    en.wikipedia.org/wiki/020

    020. 020 is the national dialling code for London in the United Kingdom. All subscriber numbers within the area code consist of eight digits and it has capacity for approaching 100 million telephone numbers. The code is used at 170 telephone exchanges in and around Greater London as part of the largest linked numbering scheme in the United Kingdom.