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Python Glossary: terms starting with letter R
By Guest on 13th November 2022 09:34:24 PM | Syntax: PYTHON | Views: 207


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  1. Glossary - R
  2. ********
  3.  
  4. reference count
  5.    The number of references to an object.  When the reference count of
  6.    an object drops to zero, it is deallocated.  Reference counting is
  7.    generally not visible to Python code, but it is a key element of
  8.    the *CPython* implementation.  Programmers can call the
  9.    "sys.getrefcount()" function to return the reference count for a
  10.    particular object.
  11.  
  12. regular package
  13.    A traditional *package*, such as a directory containing an
  14.    "__init__.py" file.
  15.  
  16.    See also *namespace package*.
  17.  
  18. __slots__
  19.    A declaration inside a class that saves memory by pre-declaring
  20.    space for instance attributes and eliminating instance
  21.    dictionaries.  Though popular, the technique is somewhat tricky to
  22.    get right and is best reserved for rare cases where there are large
  23.    numbers of instances in a memory-critical application.
















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