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Filtering a list based on a list of booleans
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>>> 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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How to implement an ordered, default dict? [duplicate]
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edited Aug 23 '14 at 20:47
Martin Thoma
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Android Studio suddenly cannot resolve symbols
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238
You've already gone down the list of most things that would be helpful, but you could try:
Ex...
Expanding tuples into arguments
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edited May 27 at 13:31
Nicolas Gervais
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a...
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
3
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How do I unload (reload) a Python module?
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830
You can reload a module when it has already been imported by using the reload builtin function ...
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 do I verify that an Android apk is signed with a release certificate?
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376
Use this command, (go to java < jdk < bin path in cmd prompt)
$ jarsigner -verify -verb...