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Returning first x items from array
...nittlknittl
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How to return multiple lines JSX in another return statement in React?
... the tags as function calls (see docs). Then the first one becomes:
{[1,2,3].map(function (n) {
return React.DOM.p(...);
})}
And the second one:
{[1,2,3].map(function (n) {
return (
React.DOM.h3(...)
React.DOM.p(...)
)
})}
It should now be clear that the second snippet doesn't re...
How to convert ‘false’ to 0 and ‘true’ to 1 in Python
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answered Dec 30 '13 at 13:46
Martijn Pieters♦Martijn Pieters
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Filtering a list based on a list of booleans
...se]
>>> list(compress(list_a, fil))
[1, 4]
Timing comparisons(py3.x):
>>> list_a = [1, 2, 4, 6]
>>> fil = [True, False, True, False]
>>> %timeit list(compress(list_a, fil))
100000 loops, best of 3: 2.58 us per loop
>>> %timeit [i for (i, v) in zip(list...
How can I trim leading and trailing white space?
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13 Answers
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What does the clearfix class do in css? [duplicate]
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3 Answers
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Expanding tuples into arguments
... |
edited May 27 at 13:31
Nicolas Gervais
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a...
How to add an empty column to a dataframe?
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463
If I understand correctly, assignment should fill:
>>> import numpy as np
>>>...
MySQL - Rows to Columns
...---------+
| 1 | A | 10 |
| 1 | B | 3 |
| 2 | A | 9 |
| 2 | C | 40 |
+--------+----------+-----------+
This will be our goal, the pretty pivot table:
select * from history_itemvalue_pivot;
+--------+------+------+-----...
How can I strip the whitespace from Pandas DataFrame headers?
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3 Answers
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