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What is the most pythonic way to check if an object is a number?
...cimal import Decimal
... from fractions import Fraction
... for n in [2, 2.0, Decimal('2.0'), complex(2, 0), Fraction(2, 1), '2']:
... print(f'{n!r:>14} {isinstance(n, Number)}')
2 True
2.0 True
Decimal('2.0') True
(2+0j) True
Fraction(2, 1) True
...
Remove last item from array
... |
edited Aug 3 at 10:48
CroMagnon
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answere...
How do I measure separate CPU core usage for a process?
...
Bojin Li
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answered Oct 11 '10 at 21:45
abdollarabdollar
...
Center a map in d3 given a geoJSON object
...
+300
The following seems to do approximately what you want. The scaling seems to be ok. When applying it to my map there is a small offset...
How does the Brainfuck Hello World actually work?
...
+100
1. Basics
To understand Brainfuck you must imagine infinite array of cells initialized by 0 each.
...[0][0][0][0][0]...
When brai...
List of lists changes reflected across sublists unexpectedly
...rences to it:
x = [1] * 4
l = [x] * 3
print(f"id(x): {id(x)}")
# id(x): 140560897920048
print(
f"id(l[0]): {id(l[0])}\n"
f"id(l[1]): {id(l[1])}\n"
f"id(l[2]): {id(l[2])}"
)
# id(l[0]): 140560897920048
# id(l[1]): 140560897920048
# id(l[2]): 140560897920048
x[0] = 42
print(f"x: {x}")
# ...
Check if at least two out of three booleans are true
...the real world :)
– Juliet
Jun 19 '10 at 16:02
124
@Juliet: I don't know, I think if this was a r...
What is the bower (and npm) version syntax?
...ke any subsequent patch-level changes on the 1.2.x tree, starting with 1.2.0, but less than 1.3.0, you could use:
"angular": "~1.2"
or:
"angular": "~1.2.0"
This also gets you the same results as using the .x syntax:
"angular": "1.2.x"
But, you can use the tilde/~ syntax to be even more spec...
How to define a two-dimensional array?
...
1039
You're technically trying to index an uninitialized array. You have to first initialize the ou...
Set every cell in matrix to 0 if that row or column contains a 0
Given a NxN matrix with 0s and 1s. Set every row that contains a 0 to all 0 s and set every column that contains a 0 to all 0 s.
...