Python
fromPythonbytes
5 hours agoInverted dependency trees
PEP 814 adds a built-in frozendict immutable mapping to Python to prevent unintended modifications and support reliable immutable dictionaries.
Why Python's deepcopy Can Be So Slow copy.deepcopy() creates a fully independent clone of an object, traversing every nested element of the object graph." That can be expensive. Learn what it is doing and how you can sometimes avoid the cost.