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How can I increment a char?
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Moein Kameli
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answered Jan 28 '10 at 18:28
Eli BenderskyEli Bende...
How can I filter lines on load in Pandas read_csv function?
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edited Apr 20 '18 at 9:49
Madhup Kumar
533 bronze badges
answered Nov 30 '12 at 21:31
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Grouped LIMIT in PostgreSQL: show the first N rows for each group?
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New solution (PostgreSQL 8.4)
SELECT
*
FROM (
SELECT
ROW_NUMBER() OVER (PARTITION BY section_id ORDER BY name) AS r,
t.*
FROM
xxx t) x
WHERE
x.r <= 2;
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How to use base class's constructors and assignment operator in C++?
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answered Aug 4 '09 at 11:32
MottiMotti
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Observer Design Pattern vs “Listeners”
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Derek GreerDerek Greer
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How to check if a variable exists in a FreeMarker template?
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darckcrystale
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answered Nov 20 '08 at 20:25
Ulf LindbackUlf Lindback
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Why does the C++ map type argument require an empty constructor when using []?
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baydabayda
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11
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Get column index from column name in python pandas
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Sure, you can use .get_loc():
In [45]: df = DataFrame({"pear": [1,2,3], "apple": [2,3,4], "orange": [3,4,5]})
In [46]: df.columns
Out[46]: Index([apple, orange, pear], dtype=object)
In [47]: df.columns.get_loc("pear")
Out[47]: 2
although to be honest I do...
How to download/checkout a project from Google Code in Windows?
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Tom ChantlerTom Chantler
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