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  2. Skip list - Wikipedia

    en.wikipedia.org/wiki/Skip_list

    List of applications and frameworks that use skip lists: Apache Portable Runtime implements skip lists. [9] MemSQL uses lock-free skip lists as its prime indexing structure for its database technology. MuQSS, for the Linux kernel, is a CPU scheduler built on skip lists. [10] [11] Cyrus IMAP server offers a "skiplist" backend DB implementation [12]

  3. Indexer (programming) - Wikipedia

    en.wikipedia.org/wiki/Indexer_(programming)

    Indexers are implemented through the get and set accessors for the operator [].They are similar to properties, but differ by not being static, and the fact that indexers' accessors take parameters.

  4. Associative array - Wikipedia

    en.wikipedia.org/wiki/Associative_array

    Remove or delete remove a (,) pair from the collection, unmapping a given key from its value. The argument to this operation is the key. Lookup, find, or get find the value (if any) that is bound to a given key.

  5. Create, read, update and delete - Wikipedia

    en.wikipedia.org/.../Create,_read,_update_and_delete

    In computer programming, create, read, update, and delete (CRUD) are the four basic operations (actions) of persistent storage. [1] CRUD is also sometimes used to describe user interface conventions that facilitate viewing, searching, and changing information using computer-based forms and reports .

  6. Binary heap - Wikipedia

    en.wikipedia.org/wiki/Binary_heap

    Specifically, sometimes the root is placed at index 1, in order to simplify arithmetic. Let n be the number of elements in the heap and i be an arbitrary valid index of the array storing the heap. If the tree root is at index 0, with valid indices 0 through n − 1, then each element a at index i has children at indices 2i + 1 and 2i + 2

  7. Linked list - Wikipedia

    en.wikipedia.org/wiki/Linked_list

    record List { Node firstNode // points to first node of list; null for empty list} Traversal of a singly linked list is simple, beginning at the first node and following each next link until reaching the end: node := list.firstNode while node not null (do something with node.data) node := node.next

  8. Comparison of programming languages (array) - Wikipedia

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

    The following list contains syntax examples of how a range of element of an array can be accessed. In the following table: first – the index of the first element in the slice; last – the index of the last element in the slice; end – one more than the index of last element in the slice; len – the length of the slice (= end - first)

  9. Array slicing - Wikipedia

    en.wikipedia.org/wiki/Array_slicing

    If we have a vector containing elements (2, 5, 7, 3, 8, 6, 4, 1), and want to create an array slice from the 3rd to the 6th elements, we get (7, 3, 8, 6). In programming languages that use a 0-based indexing scheme, the slice would be from index 2 to 5. Reducing the range of any index to a single value effectively removes the need for that index.