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  2. First-fit-decreasing bin packing - Wikipedia

    en.wikipedia.org/wiki/First-fit-decreasing_bin...

    In short: FFD orders the items by descending size, and then calls first-fit bin packing. An equivalent description of the FFD algorithm is as follows. Order the items from largest to smallest. While there are remaining items: Open a new empty bin. For each item from largest to smallest: If it can fit into the current bin, insert it.

  3. Comparison of programming languages (basic instructions)

    en.wikipedia.org/wiki/Comparison_of_programming...

    level-number type OCCURS min-size TO max-size «TIMES» DEPENDING «ON» size. [e] ^a In most expressions (except the sizeof and & operators), values of array types in C are automatically converted to a pointer of its first argument.

  4. Fold (higher-order function) - Wikipedia

    en.wikipedia.org/wiki/Fold_(higher-order_function)

    The extraneous intermediate list structure can be eliminated with the continuation-passing style technique, foldr f z xs == foldl (\ k x-> k. f x) id xs z; similarly, foldl f z xs == foldr (\ x k-> k. flip f x) id xs z ( flip is only needed in languages like Haskell with its flipped order of arguments to the combining function of foldl unlike e ...

  5. Counting sort - Wikipedia

    en.wikipedia.org/wiki/Counting_sort

    Finally, in the third loop, it loops over the items of input again, but in reverse order, moving each item into its sorted position in the output array. [ 1 ] [ 2 ] [ 3 ] The relative order of items with equal keys is preserved here; i.e., this is a stable sort .

  6. Foreach loop - Wikipedia

    en.wikipedia.org/wiki/Foreach_loop

    In computer programming, foreach loop (or for-each loop) is a control flow statement for traversing items in a collection. foreach is usually used in place of a standard for loop statement.

  7. Iterator - Wikipedia

    en.wikipedia.org/wiki/Iterator

    Specifically, the for loop will call a value's into_iter() method, which returns an iterator that in turn yields the elements to the loop. The for loop (or indeed, any method that consumes the iterator), proceeds until the next() method returns a None value (iterations yielding elements return a Some(T) value, where T is the element type).

  8. Python syntax and semantics - Wikipedia

    en.wikipedia.org/wiki/Python_syntax_and_semantics

    Python sets are very much like mathematical sets, and support operations like set intersection and union. Python also features a frozenset class for immutable sets, see Collection types. Dictionaries (class dict) are mutable mappings tying keys and corresponding values. Python has special syntax to create dictionaries ({key: value})

  9. Tree traversal - Wikipedia

    en.wikipedia.org/wiki/Tree_traversal

    The function inorderNext [2]: 60 returns an in-order-neighbor of node, either the in-order-successor (for dir=1) or the in-order-predecessor (for dir=0), and the updated stack, so that the binary search tree may be sequentially in-order-traversed and searched in the given direction dir further on.