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  2. Association (object-oriented programming) - Wikipedia

    en.wikipedia.org/wiki/Association_(object...

    This relationship is structural, because it specifies that objects of one kind are connected to objects of another and does not represent behaviour. Top: A bidirectional association Middle: An association is bidirectional, although it may be limited to just one direction by adorning some end with an arrowhead pointing to the direction of traversal.

  3. Bidirectional transformation - Wikipedia

    en.wikipedia.org/wiki/Bidirectional_transformation

    Bidirectional model transformations are an important special case in which a model is input to such a program. Some bidirectional languages are bijective. The bijectivity of a language is a severe restriction of its power, [1] because a bijective language is merely relating two different ways to present the very same information.

  4. Python syntax and semantics - Wikipedia

    en.wikipedia.org/wiki/Python_syntax_and_semantics

    A snippet of Python code with keywords highlighted in bold yellow font. The syntax of the Python programming language is the set of rules that defines how a Python program will be written and interpreted (by both the runtime system and by human readers). The Python language has many similarities to Perl, C, and Java. However, there are some ...

  5. BERT (language model) - Wikipedia

    en.wikipedia.org/wiki/BERT_(language_model)

    Bidirectional encoder representations from transformers (BERT) is a language model introduced in October 2018 by researchers at Google. [ 1 ] [ 2 ] It learns to represent text as a sequence of vectors using self-supervised learning .

  6. Bidirectionalization - Wikipedia

    en.wikipedia.org/wiki/Bidirectionalization

    This computer science article is a stub. You can help Wikipedia by expanding it.

  7. Tree (abstract data type) - Wikipedia

    en.wikipedia.org/wiki/Tree_(abstract_data_type)

    Similarly, an external node (also known as an outer node, leaf node, or terminal node) is any node that does not have child nodes. The height of a node is the length of the longest downward path to a leaf from that node. The height of the root is the height of the tree. The depth of a node is the length of the path to its root (i.e., its root ...

  8. Associative array - Wikipedia

    en.wikipedia.org/wiki/Associative_array

    The basic definition of a dictionary does not mandate an order. To guarantee a fixed order of enumeration, ordered versions of the associative array are often used. There are two senses of an ordered dictionary: The order of enumeration is always deterministic for a given set of keys by sorting.

  9. Foreign function interface - Wikipedia

    en.wikipedia.org/wiki/Foreign_function_interface

    Dynamic programming languages, such as Python, Perl, Tcl, and Ruby, all provide easy access to native code written in C, C++, or any other language obeying C/C++ calling conventions. Factor has FFIs for C, Fortran , Objective-C , and Windows COM ; all of these enable importing and calling arbitrary shared libraries dynamically.