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  2. HackerRank - Wikipedia

    en.wikipedia.org/wiki/HackerRank

    Their enterprise-side product, HackerRank for Work, is a subscription service that aims to help companies source, screen (CodePair), and hire engineers and other technical employees. [12] The product is intended to allow technical recruiters to use programming challenges to test candidates on their specific programming skills and better ...

  3. Regular expression - Wikipedia

    en.wikipedia.org/wiki/Regular_expression

    Matches the ending position of the string or the position just before a string-ending newline. In line-based tools, it matches the ending position of any line. ( ) Defines a marked subexpression, also called a capturing group, which is essential for extracting the desired part of the text (See also the next entry, \n). BRE mode requires \( \). \n

  4. The Hounds of Baskerville - Wikipedia

    en.wikipedia.org/wiki/The_Hounds_of_Baskerville

    Henry tells John and Sherlock about the words "liberty" and "in" in his dreams. Sherlock, John, and Henry then visit the hollow in the hope of finding the hound. On the way, John hangs back to observe what seems to be Morse code signals but these prove to be unrelated to the case. When he catches up to Sherlock and Henry, Henry says that he has ...

  5. Approximate string matching - Wikipedia

    en.wikipedia.org/wiki/Approximate_string_matching

    A fuzzy Mediawiki search for "angry emoticon" has as a suggested result "andré emotions" In computer science, approximate string matching (often colloquially referred to as fuzzy string searching) is the technique of finding strings that match a pattern approximately (rather than exactly).

  6. Pangram - Wikipedia

    en.wikipedia.org/wiki/Pangram

    An English language pangram being used to demonstrate the Bitstream Vera Sans typeface. The best-known English pangram is "The quick brown fox jumps over the lazy dog". [1]It has been used since at least the late 19th century [1] and was used by Western Union to test Telex/TWX data communication equipment for accuracy and reliability. [2]

  7. A Double Barrelled Detective Story - Wikipedia

    en.wikipedia.org/wiki/A_Double_Barrelled...

    Five years later in a second arc, at a mining camp in California, Fetlock Jones, a nephew of Sherlock Holmes, kills his master Flint Buckner, a silver-miner, by blowing up his cabin. Since this occurs when Holmes happens to be visiting, Holmes applies his skills to bear upon the case and derives a logically worked conclusion that is proved to ...

  8. Free monoid - Wikipedia

    en.wikipedia.org/wiki/Free_monoid

    The free monoid on a set A is usually denoted A ∗. The free semigroup on A is the subsemigroup of A ∗ containing all elements except the empty string. It is usually denoted A +. [1] [2] More generally, an abstract monoid (or semigroup) S is described as free if it is isomorphic to the free monoid (or semigroup) on some set. [3]

  9. Aho–Corasick algorithm - Wikipedia

    en.wikipedia.org/wiki/Aho–Corasick_algorithm

    In this example, we will consider a dictionary consisting of the following words: {a, ab, bab, bc, bca, c, caa}. The graph below is the Aho–Corasick data structure constructed from the specified dictionary, with each row in the table representing a node in the trie, with the column path indicating the (unique) sequence of characters from the root to the node.