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Counting the Number of keywords in a dictionary in python
...Some modifications were made on posted answer UnderWaterKremlin to make it python3 proof. A surprising result below as answer.
System specs:
python =3.7.4,
conda = 4.8.0
3.6Ghz, 8 core, 16gb.
import timeit
d = {x: x**2 for x in range(1000)}
#print (d)
print (len(d))
# 1000
print (len(d.keys()...
Cleanest and most Pythonic way to get tomorrow's date?
What is the cleanest and most Pythonic way to get tomorrow's date? There must be a better way than to add one to the day, handle days at the end of the month, etc.
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Pythonic way of checking if a condition holds for any element of a list
I have a list in Python, and I want to check if any elements are negative. Specman has the has() method for lists which does:
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Python memoising/deferred lookup property decorator
...posed in other answers since (ref 1and 2). Seems this is a popular one in Python web frameworks (derivatives exist in Pyramid and Werkzeug).
– André Caron
Dec 5 '13 at 11:20
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How to remove the left part of a string?
I have some simple python code that searches files for a string e.g. path=c:\path , where the c:\path part may vary. The current code is:
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scipy.misc module has no attribute imread?
...Scipy all are downloaded from university of California at Irvine compiled python modules for windows.
– SIslam
Nov 18 '16 at 10:17
4
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How to print a date in a regular format?
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The WHY: dates are objects
In Python, dates are objects. Therefore, when you manipulate them, you manipulate objects, not strings or timestamps.
Any object in Python has TWO string representations:
The regular representation that is used by print can be ...
How can I mock requests and the response?
I am trying to use Pythons mock package to mock Pythons requests module. What are the basic calls to get me working in below scenario?
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Is explicitly closing files important?
In Python, if you either open a file without calling close() , or close the file but not using try - finally or the " with " statement, is this a problem? Or does it suffice as a coding practice to rely on the Python garbage-collection to close all files? For example, if one does this:
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How to count the number of true elements in a NumPy bool array
... count the number of elements whose values are True . Is there a NumPy or Python routine dedicated for this task? Or, do I need to iterate over the elements in my script?
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