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  2. Programming languages used in most popular websites

    en.wikipedia.org/wiki/Programming_languages_used...

    One thing the most visited websites have in common is that they are dynamic websites.Their development typically involves server-side coding, client-side coding and database technology.

  3. Quantum error correction - Wikipedia

    en.wikipedia.org/wiki/Quantum_error_correction

    A generalisation of the technique used by Steane, to develop the 7-qubit code from the classical [7, 4] Hamming code, led to the construction of an important class of codes called the CSS codes, named for their inventors: Robert Calderbank, Peter Shor and Andrew Steane. According to the quantum Hamming bound, encoding a single logical qubit and ...

  4. Polar code (coding theory) - Wikipedia

    en.wikipedia.org/wiki/Polar_code_(coding_theory)

    The code construction is based on a multiple recursive concatenation of a short kernel code which transforms the physical channel into virtual outer channels. When the number of recursions becomes large, the virtual channels tend to either have high reliability or low reliability (in other words, they polarize or become sparse), and the data ...

  5. Window function - Wikipedia

    en.wikipedia.org/wiki/Window_function

    Setting to approximately 0.54, or more precisely 25/46, produces the Hamming window, proposed by Richard W. Hamming. That choice places a zero-crossing at frequency 5 π /( N − 1), which cancels the first sidelobe of the Hann window, giving it a height of about one-fifth that of the Hann window.

  6. List of most-viewed Indian YouTube videos - Wikipedia

    en.wikipedia.org/wiki/List_of_most-viewed_Indian...

    [1] [2] "Swag Se Swagat" became the first Indian music video to cross 500 million views on YouTube. [3] [4] [5] "Humpty the train on a fruits ride" by "Kiddiestv Hindi - Nursery Rhymes & Kids Songs" became the first Hindi video on YouTube to cross 1 billion views on 26 December 2019 and is the most viewed Hindi video on YouTube. "Chotu ke ...

  7. Optical transport network - Wikipedia

    en.wikipedia.org/wiki/Optical_transport_network

    This creates an optical virtual private network for each client signal. ITU-T defines an optical transport network as a set of optical network elements (ONE) connected by optical fiber links, able to provide functionality of transport, multiplexing, switching, management, supervision and survivability of optical channels carrying client signals ...

  8. youtube-dl - Wikipedia

    en.wikipedia.org/wiki/Youtube-dl

    youtube-dl -F <url> The video can be downloaded by selecting the format code from the list or typing the format manually: youtube-dl -f <format/code> <url> Best quality video can be downloaded with -f best option. Also, the quality of audio and video streams can be specified separately and merged with the + operator. [29]

  9. List of most-disliked YouTube videos - Wikipedia

    en.wikipedia.org/wiki/List_of_most-disliked...

    YouTube Rewind 2018 is the single most disliked video on YouTube, receiving over 20 million dislikes since its upload on December 6, 2018. [1] This list of most-disliked YouTube videos contains the top 42 videos with the most dislikes of all time, as derived from the American video platform, YouTube's, charts. [2]