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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...
Android read text raw resource file
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edited Dec 4 '18 at 21:11
nbro
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Convert a date format in PHP
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14
What if I get this date 0000-00-00 from mySQL? it returns a wrong date like 31/12/1969 ...
– Enrique
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Can two Java methods have same name with different return types? [duplicate]
... is not possible. From Java Language Specification, Java SE 8 Edition, §8.4.2. Method Signature:
Two methods or constructors, M and N, have the same signature if they have the same name, the same type parameters (if any) (§8.4.4), and, after adapting the formal parameter types of N to the the ...
How do I get class name in PHP?
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answered Sep 24 '14 at 13:06
DadoDado
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Node.JS constant for platform-specific new line?
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edited May 20 at 14:46
Brad
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answere...
Convert a 1D array to a 2D array in numpy
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edited Jan 7 at 14:50
nbro
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answered...
Parse (split) a string in C++ using string delimiter (standard C++)
...ited Sep 16 '13 at 8:18
user283145
answered Jan 10 '13 at 19:53
Vincenzo PiiVincenzo Pii
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What is the most “pythonic” way to iterate over a list in chunks?
...36
Boris
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answered Jan 12 '09 at 4:07
CrazCraz
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Can Objective-C switch on NSString?
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148
Unfortunately they cannot. This is one of the best and most sought after utilizations of switch...