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What is the difference between user variables and system variables?
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edited Apr 11 at 12:34
ahmednabil88
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Maximum concurrent Socket.IO connections
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– Seth
Oct 1 '15 at 14:11
@seth: it has been a while since I last reviewed this, but I think this was the...
git: Show index diff in commit message as comment
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answered Jan 20 '11 at 17:09
Alan Haggai AlaviAlan Haggai Alavi
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How can I iterate through the unicode codepoints of a Java String?
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answered Jan 6 '15 at 11:46
Alex - GlassEditor.comAlex - GlassEditor.com
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Add column with number of days between dates in DataFrame pandas
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df['A'] = pd.to_datetime(df['A'])
df['B'] = pd.to_datetime(df['B'])
In [11]: df.dtypes # if already datetime64 you don't need to use to_datetime
Out[11]:
A datetime64[ns]
B datetime64[ns]
dtype: object
In [12]: df['A'] - df['B']
Out[12]:
one -58 days
two -26 days
dtype: timedelta64[ns...
Will ConfigurationManager.AppSettings[“blah”] throw an exception if “blah” doesn't exist?
... Tim RobinsonTim Robinson
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Array include any value from another array?
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answered Oct 15 '10 at 11:55
NakilonNakilon
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How can I open Windows Explorer to a certain directory from within a WPF app?
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Anthony SmythAnthony Smyth
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Proper usage of Optional.ifPresent()
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jwismar
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answered Jun 15 '14 at 9:41
JB NizetJB Nizet
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What does __FILE__ mean in Ruby?
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answered Oct 22 '08 at 3:30
GeoffGeoff
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