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Is there an expression for an infinite generator?
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134
for x in iter(int, 1): pass
Two-argument iter = zero-argument callable + sentinel value
int(...
How exactly does a generator comprehension work?
...s each item out of the expression, one by one.
>>> my_list = [1, 3, 5, 9, 2, 6]
>>> filtered_list = [item for item in my_list if item > 3]
>>> print(filtered_list)
[5, 9, 6]
>>> len(filtered_list)
3
>>> # compare to generator expression
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>>&...
Is there a splice method for strings?
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Lorenz Meyer
16.7k2020 gold badges6363 silver badges107107 bronze badges
answered Jan 25 '14 at 12:37
LouisLouis
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What is the default scope of a method in Java?
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answered Apr 3 '09 at 17:01
Esko LuontolaEsko Luontola
70.3k1313 gold badges106106 silver badges124124 bronze badges
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Loop through an array php
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edited Apr 30 at 18:11
anaszaman
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answered Dec 11 '10...
Returning value from called function in a shell script
...ho "directory not created"
else
echo "directory already created"
fi
3. Share variable
lockdir="somedir"
retval=-1
testlock(){
if mkdir "$lockdir"
then # Directory did not exist, but it was created successfully
echo >&2 "successfully acquired lock: $lockdir"
r...
How to shift a column in Pandas DataFrame
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In [18]: a
Out[18]:
x1 x2
0 0 5
1 1 6
2 2 7
3 3 8
4 4 9
In [19]: a.x2 = a.x2.shift(1)
In [20]: a
Out[20]:
x1 x2
0 0 NaN
1 1 5
2 2 6
3 3 7
4 4 8
share
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enum - getting value of enum on string conversion
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3 Answers
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Rounding float in Ruby
..., I can only use .round which basically turns it into an int, meaning 2.34.round # => 2. Is there a simple effect way to do something like 2.3465 # => 2.35
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What does |= (single pipe equal) and &=(single ampersand equal) mean
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3 Answers
3
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