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How to return a part of an array in Ruby?
With a list in Python I can return a part of it using the following code:
6 Answers
6
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How can I beautify JavaScript code using Command Line?
...be a moving target. Now the info on jsbeautifier site says it's written in python.
– seth
Apr 26 '11 at 3:57
update fo...
python numpy ValueError: operands could not be broadcast together with shapes
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You are looking for np.matmul(X, y). In Python 3.5+ you can use X @ y.
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append multiple values for one key in a dictionary [duplicate]
I am new to python and I have a list of years and values for each year. What I want to do is check if the year already exists in a dictionary and if it does, append the value to that list of values for the specific key.
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Why return NotImplemented instead of raising NotImplementedError
Python has a singleton called NotImplemented .
4 Answers
4
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What is the syntax to insert one list into another list in python?
..., 2, 3, [4, 5, 6]]
foo.extend(bar) --> [1, 2, 3, 4, 5, 6]
http://docs.python.org/tutorial/datastructures.html
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When splitting an empty string in Python, why does split() return an empty list while split('\n') re
... gives two pieces. Making two cuts, gives three pieces.
And so it is with Python's str.split(delimiter) method:
>>> ''.split(',') # No cuts
['']
>>> ','.split(',') # One cut
['', '']
>>> ',,'.split(',') # Two cuts
['', '', '']
Question: And is there ...
What is a bank conflict? (Doing Cuda/OpenCL programming)
...http://mprc.pku.cn/mentors/training/ISCAreading/1989/p380-weiss/p380-weiss.pdf
from this page, you can find the detail about memory bank.
but it is a little different from what is said by @Grizzly.
in this page, the bank is like this
bank 1 2 3
address|0, 3, 6...| |1, ...
Is nested function a good approach when required by only one function? [closed]
...defined or used.
Update:
Here's proof that nesting them is slower (using Python 3.6.1), although admittedly not by much in this trivial case:
setup = """
class Test(object):
def separate(self, arg):
some_data = self._method_b(arg)
def _method_b(self, arg):
return arg+1
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PyCharm shows unresolved references error for valid code
...ghting my valid code with "unresolved reference" errors, even for built-in Python functions. Why don't these seem to be detected, even though the code runs? Is there any way to get PyCharm to recognize these correctly?
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