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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 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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Comparing two byte arrays in .NET
...l method.
using System;
using System.Linq;
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var a1 = new int[] { 1, 2, 3};
var a2 = new int[] { 1, 2, 3};
var a3 = new int[] { 1, 2, 4};
var x = a1.SequenceEqual(a2); // true
var y = a1.SequenceEqual(a3); // false
If you can't use .NET 3.5 for some reason, your method is OK.
Compiler\run-time ...
How can I trim leading and trailing white space?
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Expanding tuples into arguments
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edited May 27 at 13:31
Nicolas Gervais
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What does the clearfix class do in css? [duplicate]
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Printing 1 to 1000 without loop or conditionals
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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 to add an empty column to a dataframe?
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If I understand correctly, assignment should fill:
>>> import numpy as np
>>>...
How can I strip the whitespace from Pandas DataFrame headers?
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