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  2. Conc-tree list - Wikipedia

    en.wikipedia.org/wiki/Conc-Tree_list

    Orthogonally, they are used to efficiently aggregate data in functional-style task-parallel algorithms, as an implementation of the conc-list data abstraction. [4] Conc-list is a parallel programming counterpart to functional cons-lists , and was originally introduced by the Fortress language .

  3. pandas (software) - Wikipedia

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

    However, if data is a DataFrame, then data['a'] returns all values in the column(s) named a. To avoid this ambiguity, Pandas supports the syntax data.loc['a'] as an alternative way to filter using the index. Pandas also supports the syntax data.iloc[n], which always takes an integer n and returns the nth value, counting from 0. This allows a ...

  4. Dataframe - Wikipedia

    en.wikipedia.org/wiki/Dataframe

    Dataframe may refer to: A tabular data structure common to many data processing libraries: pandas (software) § DataFrames; The Dataframe API in Apache Spark; Data frames in the R programming language; Frame (networking)

  5. Concatenation - Wikipedia

    en.wikipedia.org/wiki/Concatenation

    However, the customers data table should not use one field to store that concatenated string; rather, the concatenation of the seven fields should happen upon running the report. The reason for such principles is that without them, the entry and updating of large volumes of data becomes error-prone and labor-intensive.

  6. List (abstract data type) - Wikipedia

    en.wikipedia.org/wiki/List_(abstract_data_type)

    A singly-linked list structure, implementing a list with three integer elements. The term list is also used for several concrete data structures that can be used to implement abstract lists, especially linked lists and arrays. In some contexts, such as in Lisp programming, the term list may refer specifically to a linked list rather than an array.

  7. From champagne to speeches, would-be Trump Supreme Court ...

    www.aol.com/champagne-speeches-trump-supreme...

    Donald Trump’s return to power is creating a reality television-like competition for attention among a group of black-robed candidates – some of whom may hope to one day wind up on the Supreme ...

  8. Linked list - Wikipedia

    en.wikipedia.org/wiki/Linked_list

    One may also use a sentinel node at the end of the list, with an appropriate data field, to eliminate some end-of-list tests. For example, when scanning the list looking for a node with a given value x, setting the sentinel's data field to x makes it unnecessary to test for end-of-list inside the loop. Another example is the merging two sorted ...

  9. Ryan Reynolds Receives Order of Canada Honor and Vows to 'Use ...

    www.aol.com/ryan-reynolds-receives-order-canada...

    Ryan Reynolds' Canadian citizenship just leveled up.. On Wednesday, Dec. 18, Governor General of Canada Mary Simon announced the list of 88 new appointees to the Order of Canada, which this year ...