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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]: time...
How can I rollback a github repository to a specific commit?
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SeldomNeedy
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answered Dec 7 '10 at 1:03
jtdubsjtdubs
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How can you escape the @ character in javadoc?
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Bohemian♦Bohemian
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Haskell error parse error on input `='
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In GHCi 7.x or below, you need a let to define things in it.
Prelude> let f x = x * 2
Prelude> f 4
8
Starting from GHC 8.0.1, top-level bindings are supported in GHCi, so OP's code will work without change.
GHCi, version 8....
How to put comments in Django templates
...n GaleVan Gale
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13
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How to change href of tag on button click through javascript
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7 Answers
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Determine distance from the top of a div to top of window with javascript
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JasperJasper
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Write to UTF-8 file in Python
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274
I believe the problem is that codecs.BOM_UTF8 is a byte string, not a Unicode string. I suspect...
How to modify PATH for Homebrew?
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answered Apr 27 '12 at 2:08
fengdfengd
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How to disable code formatting for some part of the code using comments?
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edited Jun 27 at 5:34
Dave Jarvis
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