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  2. Group by (SQL) - Wikipedia

    en.wikipedia.org/wiki/Group_by_(SQL)

    A GROUP BY statement in SQL specifies that a SQL SELECT statement partitions result rows into groups, based on their values in one or several columns. Typically, grouping is used to apply some sort of aggregate function for each group.

  3. NaN - Wikipedia

    en.wikipedia.org/wiki/NaN

    In computing, NaN (/ n æ n /), standing for Not a Number, is a particular value of a numeric data type (often a floating-point number) which is undefined as a number, such as the result of 0/0.

  4. Interning (computer science) - Wikipedia

    en.wikipedia.org/wiki/Interning_(computer_science)

    Interning continues to be an important technique for managing memory use in programming language implementations; for example, the Java Language Specification requires that identical string literals (that is, literals that contain the same sequence of code points) must refer to the same instance of class String, because string literals are ...

  5. Multinucleate - Wikipedia

    en.wikipedia.org/wiki/Multinucleate

    Multinucleate cells (also known as multinucleated cells or polynuclear cells) are eukaryotic cells that have more than one nucleus, i.e., multiple nuclei share one common cytoplasm. Mitosis in multinucleate cells can occur either in a coordinated, synchronous manner where all nuclei divide simultaneously or asynchronously where individual ...

  6. Wikipedia talk:Ignore all rules/Archive 5 - Wikipedia

    en.wikipedia.org/wiki/Wikipedia_talk:Ignore_all...

    Ignore all rules, really does mean ignore all rules. That also means blocks and block evasion. If someone is putting an inferior version of an article in place, following this often cited policy, you'd be well within your rights to go so far as to hack the servers to remove all opposition to make sure the proper version was in place.