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How do pointer to pointers work in C?
...u pass a pointer to the pointer instead).
– Bastien Léonard
May 22 '09 at 20:12
4
Unless I'm mis...
Algorithm to generate all possible permutations of a list?
...
Here is an algorithm in Python that works by in place on an array:
def permute(xs, low=0):
if low + 1 >= len(xs):
yield xs
else:
for p in permute(xs, low + 1):
yield p
for i in range(low + 1, l...
Move an item inside a list?
In Python, how do I move an item to a definite index in a list?
5 Answers
5
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How does BLAS get such extreme performance?
...
most of the links are dead
– Aurélien Pierre
Jan 26 '19 at 20:03
A PDF of TSoPMC can be found on...
Find running median from a stream of integers
... problem but also helped me learn heaps here is my basic implementation in python : github.com/PythonAlgo/DataStruct
– swati saoji
Feb 24 '16 at 20:48
...
Filtering a list based on a list of booleans
...tered_list = [i for (i, v) in zip(list_a, filter) if v]
Using zip is the pythonic way to iterate over multiple sequences in parallel, without needing any indexing. This assumes both sequences have the same length (zip stops after the shortest runs out). Using itertools for such a simple case is a ...
Best Practice for Exception Handling in a Windows Forms Application?
...now this is 5 years old but it still bug me a bit
– Rémi
Apr 3 '14 at 18:04
...
Hide all warnings in ipython
I need to produce a screencast of an ipython session, and to avoid confusing viewers, I want to disable all warnings emitted by warnings.warn calls from different packages. Is there a way to configure the ipythonrc file to automatically disable all such warnings?
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`elif` in list comprehension conditionals
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Python's conditional expressions were designed exactly for this sort of use-case:
>>> l = [1, 2, 3, 4, 5]
>>> ['yes' if v == 1 else 'no' if v == 2 else 'idle' for v in l]
['yes', 'no', 'idle', 'idle', 'idle'...
Why does Pycharm's inspector complain about “d = {}”?
...ttings or Default Settings.
Navigate to Settings -> Inspections -> Python
Uncheck "Dictionary creation could be rewritten by dictionary literal"
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