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  2. Comparison of programming languages (associative array)

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

    The keys and values can be of any type, except nil. The following focuses on non-numerical indexes. A table literal is written as { value, key = value, [index] = value, ["non id string"] = value }. For example:

  3. Associative array - Wikipedia

    en.wikipedia.org/wiki/Associative_array

    find the value (if any) that is bound to a given key. The argument to this operation is the key, and the value is returned from the operation. If no value is found, some lookup functions raise an exception, while others return a default value (such as zero, null, or a specific value passed to the constructor).

  4. Hash table - Wikipedia

    en.wikipedia.org/wiki/Hash_table

    C++11 includes unordered_map in its standard library for storing keys and values of arbitrary types. [51] Go's built-in map implements a hash table in the form of a type. [52] Java programming language includes the HashSet, HashMap, LinkedHashSet, and LinkedHashMap generic collections. [53] Python's built-in dict implements a hash table in the ...

  5. Skip list - Wikipedia

    en.wikipedia.org/wiki/Skip_list

    The "QMap" key/value dictionary (up to Qt 4) template class of Qt is implemented with skip lists. [13] Redis, an ANSI-C open-source persistent key/value store for Posix systems, uses skip lists in its implementation of ordered sets. [14] Discord uses skip lists to handle storing and updating the list of members in a server. [15]

  6. Distributed hash table - Wikipedia

    en.wikipedia.org/wiki/Distributed_hash_table

    Keys are unique identifiers which map to particular values, which in turn can be anything from addresses, to documents, to arbitrary data. [2] Responsibility for maintaining the mapping from keys to values is distributed among the nodes, in such a way that a change in the set of participants causes a minimal amount of disruption.

  7. George Stubbs dog painting expected to sell for up to $2.5 ...

    www.aol.com/george-stubbs-dog-painting-expected...

    A painting by British artist George Stubbs is expected to sell for up to £2 million ($2.5 million) in London next week, as it comes to auction for the first time in more than 50 years.. The 18th ...

  8. Ctrie - Wikipedia

    en.wikipedia.org/wiki/Ctrie

    Haskell implementation is available as a package [9] and on GitHub. [10] Standalone Java implementations are available on GitHub for Java 17, Java 11 and Java 8 [11] as well for Java 6. [12] CL-CTRIE is a Common Lisp implementation available on GitHub. [13] An insert-only Ctrie variant has been used for tabling in Prolog programs. [14]

  9. Cuckoo hashing - Wikipedia

    en.wikipedia.org/wiki/Cuckoo_hashing

    Cuckoo hashing is a form of open addressing in which each non-empty cell of a hash table contains a key or keyvalue pair.A hash function is used to determine the location for each key, and its presence in the table (or the value associated with it) can be found by examining that cell of the table.