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Django - filtering on foreign key properties
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FragsworthFragsworth
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Way to read first few lines for pandas dataframe
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which seems to work. Using one of the standard large test files (988504479 bytes, 5344499 lines):
In [1]: import pandas as pd
In [2]: time z = pd.read_csv("P00000001-ALL.csv", nrows=20)
CPU times: user 0.00 s, sys: 0.00 s, total: 0.00 s
Wall time: 0.00 s
In [3]: len(z)
Out[3]: 20
In [4]: ti...
How can I combine flexbox and vertical scroll in a full-height app?
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– ProblemsOfSumit
Mar 10 '16 at 15:04
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How to define @Value as optional
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SQLite table constraint - unique on multiple columns
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4 Answers
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Erratic hole type resolution
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answered May 20 '14 at 20:32
ajayajay
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How do I draw a grid onto a plot in Python?
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edited Mar 20 '17 at 17:42
Peter Mortensen
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How to easily truncate an array with JavaScript?
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There is a slice method
array.slice(0, 4);
Will return the first four elements.
Don't forget to assign it back to your variable if you want to discard the other values.
Note: This is just regular javascript, no need for jquery.
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Explanation of JSHint's Bad line breaking before '+' error
...t makes me sad.
– Ben Hyde
Mar 25 '14 at 15:35
23
second @BenHyde, and in general it's more human...
Convert unix time to readable date in pandas dataframe
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