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  1. en.wikipedia.org › wiki › UTF-8UTF-8 - Wikipedia

    2 天前 · UTF-8 is the dominant encoding for the World Wide Web (and internet technologies), accounting for 98.2% of all web pages, 99.1% of the top 100,000 pages, and up to 100% for many languages, as of 2024. [9] Virtually all countries and languages have 95% or more use of UTF-8 encodings on the web.

  2. en.wikipedia.org › wiki › ISO_3166-1ISO 3166-1 - Wikipedia

    6 天前 · It defines three sets of country codes: [1] ISO 3166-1 alpha-2 – two-letter country codes which are the most widely used of the three, [citation needed] and used most prominently for the Internet's country code top-level domains (with a few exceptions).

  3. en.wikipedia.org › wiki › Unit_731Unit 731 - Wikipedia

    3 天前 · Unit 731 was responsible for some of the most notorious war crimes committed by the Japanese armed forces. It routinely conducted tests on people who were dehumanized and internally referred to as "logs".

  4. 1 天前 · In mathematics, the Fibonacci sequence is a sequence in which each number is the sum of the two preceding ones. Numbers that are part of the Fibonacci sequence are known as Fibonacci numbers, commonly denoted Fn .

  5. 2 天前 · This is a list of file signatures, data used to identify or verify the content of a file. Such signatures are also known as magic numbers or Magic Bytes. Many file formats are not intended to be read as text. If such a file is accidentally viewed as a text file, its contents will be unintelligible.

  6. 4 天前 · As of Unicode version 15.1, there are 149,878 characters with code points, covering 161 modern and historical scripts, as well as multiple symbol sets. This article includes the 1,062 characters in the Multilingual European Character Set 2 ( MES-2) subset, and some additional related characters.

  7. 4 天前 · 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.