Python: Lambdas as lexical closures
A ‘lexical closure’ is a fancy name for a function that remembers the values from the enclosing lexical scope even when the program flow is no longer in that...
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Python: Lambdas as function expressions
How do you define an function inline and then immediately call it? Like this:
Python: Parallel for loops
Joblib provides a simple helper class to write parallel for loops using multiprocessing. The core idea is to write the code to be executed as a generator ...
Python: Cache function output
Joblib traces parameters passed to a function, and if the function has been called with the same parameters it returns the return value cached on a disk.
Python: Invert a mapping
Given this dictionary: