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What is the pythonic way to avoid default parameters that are empty lists?
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153
def my_func(working_list=None):
if working_list is None:
working_list = []
wor...
How do I redirect output to a variable in shell? [duplicate]
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348
Use the $( ... ) construct:
hash=$(genhash --use-ssl -s $IP -p 443 --url $URL | grep MD5 | gr...
Remove Elements from a HashSet while Iterating [duplicate]
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Adam PaynterAdam Paynter
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Pandas conditional creation of a series/dataframe column
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Set Type color
0 Z A green
1 Z B green
2 X B red
3 Y C red
If you have more than two conditions then use np.select. For example, if you want color to be
yellow when (df['Set'] == 'Z') & (df['Type'] == 'A')
otherwise blue when (df['Set'] == 'Z') & (df[...
Best way to run scheduled tasks [closed]
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edited Dec 20 '11 at 23:09
answered Feb 12 '09 at 19:16
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系统负载，即任务队列的平均长度。
三个数值分别为 1分钟、5分钟、15分钟前到现在的平均值。
第二、三行为进程和CPU的信息。当有多个CPU时，这些内容可能会...
How can we match a^n b^n with Java regex?
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3 Answers
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C++ code file extension? .cc vs .cpp [closed]
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730
At the end of the day it doesn't matter because C++ compilers can deal with the files in either...
Why doesn't os.path.join() work in this case?
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edited May 29 '17 at 23:46
answered Dec 22 '09 at 11:55
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What is the difference between lemmatization vs stemming?
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132
Short and dense: http://nlp.stanford.edu/IR-book/html/htmledition/stemming-and-lemmatization-1....