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Create an empty list in python with certain size
...creates a list from [0, 1, 2, ... x-1]
# 2.X only. Use list(range(10)) in 3.X.
>>> l = range(10)
>>> l
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
Using a function to create a list:
>>> def display():
... s1 = []
... for i in range(9): # This is just to tell you how to crea...
How do I create a list of random numbers without duplicates?
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answered Mar 18 '12 at 2:37
Greg HewgillGreg Hewgill
783k167167 gold badges10841084 silver badges12221222 bronze badges
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Python Infinity - Any caveats?
...*2
4.0
>>> _**2
16.0
>>> _**2
256.0
>>> _**2
65536.0
>>> _**2
4294967296.0
>>> _**2
1.8446744073709552e+19
>>> _**2
3.4028236692093846e+38
>>> _**2
1.157920892373162e+77
>>> _**2
1.3407807929942597e+154
>>> _**2
Traceba...
Generate random integers between 0 and 9
...andom import randrange
print(randrange(10))
Docs: https://docs.python.org/3/library/random.html#random.randrange
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How do I convert a float number to a whole number in JavaScript?
...74099 900719925474099 900719925474099
value | 0 // 858993459 858993459 858993459
~~value // 858993459 858993459 858993459
value >> 0 // 858993459 858993459 858993459
value >>> 0 ...
How to round a number to significant figures in Python
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You can use negative numbers to round integers:
>>> round(1234, -3)
1000.0
Thus if you need only most significant digit:
>>> from math import log10, floor
>>> def round_to_1(x):
... return round(x, -int(floor(log10(abs(x)))))
...
>>> round_to_1(0.0232)...
How to split a delimited string into an array in awk?
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Have you tried:
echo "12|23|11" | awk '{split($0,a,"|"); print a[3],a[2],a[1]}'
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Change select box option background color
... tag...
select option {
margin: 40px;
background: rgba(0, 0, 0, 0.3);
color: #fff;
text-shadow: 0 1px 0 rgba(0, 0, 0, 0.4);
}
If you want to style each one of the option tags.. use the css attribute selector:
select option {
margin: 40px;
background: rgba(0, 0, 0, 0.3);...
Why `null >= 0 && null
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edited Aug 23 '16 at 16:28
Michael Liquori
37944 silver badges1313 bronze badges
answered ...
JavaScript function similar to Python range()
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