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  2. Template:Delete when empty - Wikipedia

    en.wikipedia.org/wiki/Template:Delete_when_empty

    An editor has requested that when this category has been empty for 7 days it be uncontroversially deleted under criterion C1. This may be because a template which was previously populating this category has been changed.

  3. Filter (higher-order function) - Wikipedia

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

    Here, [] denotes the empty list, ++ the list concatenation operation, and [x | p x] denotes a list conditionally holding a value, x, if the condition p x holds (evaluates to True). Filter in various languages

  4. Linked list - Wikipedia

    en.wikipedia.org/wiki/Linked_list

    An array from which many elements are removed may also have to be resized in order to avoid wasting too much space. On the other hand, dynamic arrays (as well as fixed-size array data structures) allow constant-time random access, while linked lists allow only sequential access to elements. Singly linked lists, in fact, can be easily traversed ...

  5. Binary heap - Wikipedia

    en.wikipedia.org/wiki/Binary_heap

    [6] [7] The heap array is assumed to have its first element at index 1. // Push a new item to a (max) heap and then extract the root of the resulting heap. // heap: an array representing the heap, indexed at 1 // item: an element to insert // Returns the greater of the two between item and the root of heap.

  6. Associative array - Wikipedia

    en.wikipedia.org/wiki/Associative_array

    In computer science, an associative array, map, symbol table, or dictionary is an abstract data type that stores a collection of (key, value) pairs, such that each possible key appears at most once in the collection. In mathematical terms, an associative array is a function with finite domain. [1] It supports 'lookup', 'remove', and 'insert ...

  7. Delete emails in the AOL Mail App

    help.aol.com/articles/delete-emails-in-the-aol...

    The AOL Mail app has many options to delete emails. Quickly delete 1 email by tapping and holding the email you want to delete and then tap the Delete icon at the bottom of the page or learn how to delete multiple emails at a time. Filter and delete multiple emails by sender

  8. Dynamic array - Wikipedia

    en.wikipedia.org/wiki/Dynamic_array

    A simple dynamic array can be constructed by allocating an array of fixed-size, typically larger than the number of elements immediately required. The elements of the dynamic array are stored contiguously at the start of the underlying array, and the remaining positions towards the end of the underlying array are reserved, or unused.

  9. Use filters to sort and organize messages in AOL Mail

    help.aol.com/articles/use-filters-to-sort-and...

    1. Click the Settings icon | select More Settings. 2. Click Filters. 3. Click the the filter you want to edit. 4. Edit the filter name, rules, or folder. 5. Click Save.