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How to check if a function exists on a SQL database
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edited Oct 18 '13 at 14:18
answered Mar 24 '11 at 12:30
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Add column with number of days between dates in DataFrame pandas
...f['B']
Out[12]:
one -58 days
two -26 days
dtype: timedelta64[ns]
In [13]: df['C'] = df['A'] - df['B']
In [14]: df
Out[14]:
A B C
one 2014-01-01 2014-02-28 -58 days
two 2014-02-03 2014-03-01 -26 days
Note: ensure you're using a new of pandas (e.g. 0.13.1), this ma...
PHP - Merging two arrays into one array (also Remove Duplicates)
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235
array_unique(array_merge($array1,$array2), SORT_REGULAR);
http://se2.php.net/manual/en/functi...
A fast method to round a double to a 32-bit int explained
...s source code, I noticed that Lua uses a macro to round a double to a 32-bit int . I extracted the macro , and it looks like this:
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git - merge conflict when local is deleted but file exists in remote
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CascabelCascabel
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What does it mean for a data structure to be “intrusive”?
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answered Feb 15 '11 at 13:43
Lasse V. KarlsenLasse V. Karlsen
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Can an enum class be converted to the underlying type?
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edited Jan 23 at 11:09
Trilarion
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a...
How do I set the default font size in Vim?
... Venkataraman R
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answered Jul 7 '13 at 2:39
FDinoffFDinoff
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Understanding spring @Configuration class
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edited Jan 19 '19 at 20:37
answered Jun 3 '14 at 12:12
Av...