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Bash tool to get nth line from a file
...re NUM is the number of the line you want to print; so, for example, sed '10q;d' file to print the 10th line of file.
Explanation:
NUMq will quit immediately when the line number is NUM.
d will delete the line instead of printing it; this is inhibited on the last line because the q causes the res...
Set a persistent environment variable from cmd.exe
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answered May 5 '11 at 13:09
Vik DavidVik David
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Longest line in a file
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Using wc (GNU coreutils) 7.4:
wc -L filename
gives:
101 filename
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What do linkers do?
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answered Jul 23 '10 at 23:04
IcemanindIcemanind
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How to round the minute of a datetime object
...his will get the 'floor' of a datetime object stored in tm rounded to the 10 minute mark before tm.
tm = tm - datetime.timedelta(minutes=tm.minute % 10,
seconds=tm.second,
microseconds=tm.microsecond)
If you want classic rounding to the ne...
Citing the author of a blockquote using Markdown syntax
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answered Jan 4 '10 at 20:51
ceejayozceejayoz
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Sample settings.xml for maven
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190
Here's the stock "settings.xml" with comments (complete/unchopped file at the bottom)
License:
&...
How to “EXPIRE” the “HSET” child key in redis?
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edited Oct 3 '18 at 9:10
Erik Rothoff
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MySQL stored procedure vs function, which would I use when?
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105
You can't mix in stored procedures with ordinary SQL, whilst with stored function you can.
e.g...
How do I find numeric columns in Pandas?
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150
You could use select_dtypes method of DataFrame. It includes two parameters include and exclude....