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  2. Divisibility rule - Wikipedia

    en.wikipedia.org/wiki/Divisibility_rule

    One must multiply the leftmost digit of the original number by 3, add the next digit, take the remainder when divided by 7, and continue from the beginning: multiply by 3, add the next digit, etc. For example, the number 371: 3×3 + 7 = 16 remainder 2, and 2×3 + 1 = 7. This method can be used to find the remainder of division by 7.

  3. For loop - Wikipedia

    en.wikipedia.org/wiki/For_loop

    FOR i FROM 1 BY 2 TO 3 WHILE i≠4 DO ~ OD Further, the single iteration range could be replaced by a list of such ranges. There are several unusual aspects of the construct only the do ~ od portion was compulsory, in which case the loop will iterate indefinitely. thus the clause to 100 do ~ od, will iterate exactly 100 times.

  4. Python (programming language) - Wikipedia

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

    Python is a multi-paradigm programming language. Object-oriented programming and structured programming are fully supported, and many of their features support functional programming and aspect-oriented programming (including metaprogramming [73] and metaobjects). [74] Many other paradigms are supported via extensions, including design by ...

  5. PHP - Wikipedia

    en.wikipedia.org/wiki/PHP

    As of 27 October 2024 (11 months after PHP 8.3's release), PHP is used as the server-side programming language on 75.8% of websites where the language could be determined; PHP 7 is the most used version of the language with 51% of websites using PHP being on that version, while 35.3% use PHP 8, 13.5% use PHP 5 and 0.1% use PHP 4. [20]

  6. pandas (software) - Wikipedia

    en.wikipedia.org/wiki/Pandas_(software)

    Website. pandas.pydata.org. Pandas (styled as pandas) is a software library written for the Python programming language for data manipulation and analysis. In particular, it offers data structures and operations for manipulating numerical tables and time series. It is free software released under the three-clause BSD license. [2]

  7. Collatz conjecture - Wikipedia

    en.wikipedia.org/wiki/Collatz_conjecture

    For instance, the first counterexample must be odd because f(2n) = n, smaller than 2n; and it must be 3 mod 4 because f 2 (4n + 1) = 3n + 1, smaller than 4n + 1. For each starting value a which is not a counterexample to the Collatz conjecture, there is a k for which such an inequality holds, so checking the Collatz conjecture for one starting ...

  8. Comparison of text editors - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_text_editors

    The limit can be removed, but long lines may cause poor performance. [84] ^LE text editor locks the file and warns if someone else has changed the file. ^LE text editor can view and edit large files or their parts in mmap-shared mode. ^UltraEdit has no real limit on file size - and can easily open, edit, and save large text files in excess of 4 ...

  9. History of Python - Wikipedia

    en.wikipedia.org/wiki/History_of_Python

    Parallel 2.x and 3.x releases then ceased, and Python 2.7 was the last release in the 2.x series. [29] In November 2014, it was announced that Python 2.7 would be supported until 2020, but users were encouraged to move to Python 3 as soon as possible. [30] Python 2.7 support ended on January 1, 2020, along with code freeze of 2