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  2. Sudoku solving algorithms - Wikipedia

    en.wikipedia.org/wiki/Sudoku_solving_algorithms

    If a cell is discovered where none of the 9 digits is allowed, then the algorithm leaves that cell blank and moves back to the previous cell. The value in that cell is then incremented by one. This is repeated until the allowed value in the last (81st) cell is discovered. The animation shows how a Sudoku is solved with this method. The puzzle's ...

  3. Row- and column-major order - Wikipedia

    en.wikipedia.org/wiki/Row-_and_column-major_order

    Note how the use of A[i][j] with multi-step indexing as in C, as opposed to a neutral notation like A(i,j) as in Fortran, almost inevitably implies row-major order for syntactic reasons, so to speak, because it can be rewritten as (A[i])[j], and the A[i] row part can even be assigned to an intermediate variable that is then indexed in a separate expression.

  4. Reference counting - Wikipedia

    en.wikipedia.org/wiki/Reference_counting

    There are three reasons for the atomicity requirements. First, a reference count field may be updated by multiple threads, and so an adequate atomic instruction, such as a (costly) compare-and-swap, must be used to update the counts. Second, it must be clear which object loses a reference so that its reference count can be adequately decremented.

  5. Microsoft Project - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Project

    Microsoft Project 2010 was the first to contain ribbon and Backstage view, like all Office 2010 applications, contextual guidance, ability to zoom in/out quickly, user-controlled scheduling, top down summary tasks, placeholder text in project fields, timeline view, ability to add columns dynamically, text wrap, expanded color palette and ...