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  2. SPARK (programming language) - Wikipedia

    en.wikipedia.org/wiki/SPARK_(programming_language)

    SPARK is a formally defined computer programming language based on the Ada programming language, intended for the development of high integrity software used in systems where predictable and highly reliable operation is essential. It facilitates the development of applications that demand safety, security, or business integrity.

  3. PHP serialization format - Wikipedia

    en.wikipedia.org/wiki/PHP_serialization_format

    The format can serialize PHP's primitive and compound types, and also properly serializes references. [1] The format was first introduced in PHP 4. [2] In addition to PHP, the format is also used by some third-party applications that are often integrated with PHP applications, for example by Lucene/Solr. [3]

  4. Help:Preferences - Wikipedia

    en.wikipedia.org/wiki/Help:Preferences

    Change the language of user-interface messages. It does not affect articles and other pages made by editors. Note that many interface messages have been customized at the English Wikipedia but usually only for the default "en - English" which may for example add links to relevant help pages, processes and policies.

  5. Index locking - Wikipedia

    en.wikipedia.org/wiki/Index_locking

    A portion of an index is locked during a database transaction when this portion is being accessed by the transaction as a result of attempt to access related user data. Additionally, special database system transactions (not user-invoked transactions) may be invoked to maintain and modify an index, as part of a system's self-maintenance activities.

  6. Private Use Areas - Wikipedia

    en.wikipedia.org/wiki/Private_Use_Areas

    In Unicode, a Private Use Area (PUA) is a range of code points that, by definition, will not be assigned characters by the standard. [1] Three private use areas are defined: one in the Basic Multilingual Plane (U+E000–U+F8FF), and one each in, and nearly covering, planes 15 and 16 (U+F0000–U+FFFFD, U+100000–U+10FFFD).

  7. UTF-8 - Wikipedia

    en.wikipedia.org/wiki/UTF-8

    It may though require the user to change options from the normal settings, or may require a BOM (byte-order mark) as the first character to read the file. Examples of software supporting UTF-8 include Microsoft Word , [ 34 ] [ 35 ] [ 36 ] Microsoft Excel (2016 and later), [ 37 ] [ 38 ] Google Drive , LibreOffice and most databases.

  8. Record linkage - Wikipedia

    en.wikipedia.org/wiki/Record_linkage

    Record linkage (also known as data matching, data linkage, entity resolution, and many other terms) is the task of finding records in a data set that refer to the same entity across different data sources (e.g., data files, books, websites, and databases).

  9. PHP - Wikipedia

    en.wikipedia.org/wiki/PHP

    As of 21 January 2025 (two months after PHP 8.4's release), PHP is used as the server-side programming language on 75.0% of websites where the language could be determined; PHP 7 is the most used version of the language with 47.1% of websites using PHP being on that version, while 40.6% use PHP 8, 12.2% use PHP 5 and 0.1% use PHP 4.