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How can I break up this long line in Python?
...be joined to a second.")
Explicit is better than implicit, as the zen of python says, but this creates three strings instead of one, and uses twice as much memory: there are the two you have written, plus one which is the two of them joined together, so you have to know when to ignore the zen. Th...
Items in JSON object are out of order using “json.dumps”?
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Both Python dict (before Python 3.7) and JSON object are unordered collections. You could pass sort_keys parameter, to sort the keys:
>>> import json
>>> json.dumps({'a': 1, 'b': 2})
'{"b": 2, "a": 1}'
>>&...
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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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()...
Catching an exception while using a Python 'with' statement
To my shame, I can't figure out how to handle exception for python 'with' statement. If I have a code:
4 Answers
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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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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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Qt events and signal/slots
... @KubaOber no it helps avoid the lower-level details. Would you say Python is not helpful because you can do the same thing writing in machine code? :)
– eric
Jan 12 '16 at 20:56
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