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  2. Elo rating system - Wikipedia

    en.wikipedia.org/wiki/Elo_rating_system

    The Elo [a] rating system is a method for calculating the relative skill levels of players in zero-sum games such as chess. It is named after its creator Arpad Elo, a Hungarian-American physics professor. The Elo system was invented as an improved chess-rating system over the previously used Harkness system, [1] but is also used as a rating ...

  3. Hello - Wikipedia

    en.wikipedia.org/wiki/Hello

    According to the Oxford English Dictionary, hello is an alteration of hallo, hollo, [1] which came from Old High German " halâ, holâ, emphatic imperative of halôn, holôn to fetch, used especially in hailing a ferryman". [5] It also connects the development of hello to the influence of an earlier form, holla, whose origin is in the French ...

  4. Cello - Wikipedia

    en.wikipedia.org/wiki/Cello

    The cello ( / ˈtʃɛloʊ / CHEL-oh ), or violoncello ( / ˌvaɪələnˈtʃɛloʊ / VY-ə-lən-CHEL-oh, Italian pronunciation: [vjolonˈtʃɛllo] ), [1] is a bowed (sometimes plucked and occasionally hit) string instrument of the violin family. Its four strings are usually tuned in perfect fifths: from low to high, C 2, G 2, D 3 and A 3.

  5. "Hello, World!" program - Wikipedia

    en.wikipedia.org/wiki/"Hello,_World!"_program

    Time to Hello World. "Time to hello world" (TTHW) is the time it takes to author a "Hello, World!" program in a given programming language. This is one measure of a programming language's ease of use; since the program is meant as an introduction for people unfamiliar with the language, a more complex "Hello, World!"

  6. Elle (Spanish pronoun) - Wikipedia

    en.wikipedia.org/wiki/Elle_(Spanish_pronoun)

    Elle (Spanish pronunciation:, or less commonly plural: elles) is a proposed non-normative personal pronoun in Spanish intended as a grammatically ungendered alternative to the third-person gender-specific pronouns él ("he"), ella ("she") and ello ("it"). There are three main objectives of the term:

  7. Ello (social network) - Wikipedia

    en.wikipedia.org/wiki/Ello_(social_network)

    Ello began as a private social network consisting of seven artists and programmers. After a year of the social network being private, the creators redesigned the website and launched Ello to the public. [3] Seed funding of $435,000 from the venture capital investor FreshTracks Capital in January 2014 helped sustain the company initially.

  8. Scrum (software development) - Wikipedia

    en.wikipedia.org/wiki/Scrum_(software_development)

    Scrum is an agile team collaboration framework commonly used in software development and other industries. Scrum prescribes for teams to break work into goals to be completed within time-boxed iterations, called sprints. Each sprint is no longer than one month and commonly lasts two weeks. The scrum team assesses progress in time-boxed, stand ...

  9. Spanish pronouns - Wikipedia

    en.wikipedia.org/wiki/Spanish_pronouns

    Spanish is a pro-drop language with respect to subject pronouns. Like French and other languages with the T–V distinction, Spanish has a distinction in its second person pronouns that has no equivalent in modern English. Object pronouns come in two forms: clitic and non-clitic, or stressed. With clitics, object pronouns are generally ...