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  2. Luhn algorithm - Wikipedia

    en.wikipedia.org/wiki/Luhn_algorithm

    Luhn algorithm. The Luhn algorithm or Luhn formula, also known as the " modulus 10" or "mod 10" algorithm, named after its creator, IBM scientist Hans Peter Luhn, is a simple check digit formula used to validate a variety of identification numbers. It is described in U.S. Patent No. 2,950,048, granted on August 23, 1960.

  3. PHP - Wikipedia

    en.wikipedia.org/wiki/PHP

    As of 23 June 2024 (seven months after PHP 8.3's release), PHP is used as the server-side programming language on 76.2% of websites where the language could be determined; PHP 7 is the most used version of the language with 53.9% of websites using PHP being on that version, while 31.2% use PHP 8, 14.8% use PHP 5 and 0.2% use PHP 4.

  4. Async/await - Wikipedia

    en.wikipedia.org/wiki/Async/await

    Async/await. In computer programming, the async/await pattern is a syntactic feature of many programming languages that allows an asynchronous, non-blocking function to be structured in a way similar to an ordinary synchronous function. It is semantically related to the concept of a coroutine and is often implemented using similar techniques ...

  5. Glyph Lefkowitz - Wikipedia

    en.wikipedia.org/wiki/Glyph_Lefkowitz

    Glyph Lefkowitz is an American open-source software programmer and creator of the Twisted network programming framework for Python. [2] [3] His work on asynchronous programming techniques influenced the core Python language, [4] [5] as well as the JavaScript Promises ecosystem, through Dojo and Mochikit . He is a frequent speaker at developer ...

  6. F Sharp (programming language) - Wikipedia

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

    The combination of type providers, queries and strongly typed functional programming is known as information rich programming. Agent programming. F# supports a variation of the actor programming model through the in-memory implementation of lightweight asynchronous agents. For example, the following code defines an agent and posts 2 messages:

  7. Modular arithmetic - Wikipedia

    en.wikipedia.org/wiki/Modular_arithmetic

    Time-keeping on this clock uses arithmetic modulo 12. Adding 4 hours to 9 o'clock gives 1 o'clock, since 13 is congruent to 1 modulo 12. In mathematics, modular arithmetic is a system of arithmetic for integers, where numbers "wrap around" when reaching a certain value, called the modulus.

  8. Non-blocking algorithm - Wikipedia

    en.wikipedia.org/wiki/Non-blocking_algorithm

    In computer science, an algorithm is called non-blocking if failure or suspension of any thread cannot cause failure or suspension of another thread; [1] for some operations, these algorithms provide a useful alternative to traditional blocking implementations. A non-blocking algorithm is lock-free if there is guaranteed system-wide progress ...

  9. Coroutine - Wikipedia

    en.wikipedia.org/wiki/Coroutine

    Python 2.5 implements better support for coroutine-like functionality, based on extended generators ; Python 3.3 improves this ability, by supporting delegating to a subgenerator ; Python 3.4 introduces a comprehensive asynchronous I/O framework as standardized in PEP 3156, which includes coroutines that leverage subgenerator delegation