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How to know what the 'errno' means?
When calling execl(...) , I get an errno=2 . What does it mean? How can I know the meaning of this errno ?
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An efficient way to transpose a file in Bash
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arrayfun can be significantly slower than an explicit loop in matlab. Why?
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In a Bash script, how can I exit the entire script if a certain condition occurs?
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Michael FoukarakisMichael Foukarakis
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how to break the _.each function in underscore.js
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267
You can't break from the each method—it emulates the native forEach method's behavior, and t...
Add missing dates to pandas dataframe
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270
You could use Series.reindex:
import pandas as pd
idx = pd.date_range('09-01-2013', '09-30-2...
Benefits of inline functions in C++?
... situation like this making a detectable difference:
inline int aplusb_pow2(int a, int b) {
return (a + b)*(a + b) ;
}
for(int a = 0; a < 900000; ++a)
for(int b = 0; b < 900000; ++b)
aplusb_pow2(a, b);
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How to stop mongo DB in one command
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Starting and Stopping MongoDB is covered in the MongoDB manual. It explains the various option...
How to get first character of a string in SQL?
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edited Dec 30 '12 at 9:40
Mahmoud Gamal
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