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Use space as a delimiter with cut command
...e spaces.
– Jeremy Brooks
Jul 31 at 22:50
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ROW_NUMBER() in MySQL
....col3>t0.col3)
– wrschneider
May 22 '17 at 0:40
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HTTP header line break style
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227
\r\n, because it's defined as the line break in the protocol specification. RFC2616 states at ...
Visual Studio jump to next error shortcut?
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BrianBrian
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How to apply a function to two columns of Pandas dataframe
...00000 0.000000
1 -0.494375 0.570994
2 1.000000 0.000000
3 1.876360 -0.229738
4 1.000000 0.000000
In [50]: def f(x):
....: return x[0] + x[1]
....:
In [51]: df.apply(f, axis=1) #passes a Series object, row-wise
Out[51]:
0 1.000000
1 0.076619
2 1.000000
3 1.646622
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How to create a bash script to check the SSH connection?
... -p ssh | grep open`
$ b=`nmap downhost -PN -p ssh | grep open`
$ echo $a
22/tcp open ssh
$ echo $b
(empty string)
But you'll have to grep the message (nmap does not use the return-value to show if a port was filtered, closed or open).
EDIT2:
If you're interested in the actual state of the ssh-...
What does JVM flag CMSClassUnloadingEnabled actually do?
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edited Sep 28 '15 at 22:16
reevesy
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Why do we use __init__ in Python classes?
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answered Dec 22 '11 at 20:15
AmadanAmadan
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Using an HTML button to call a JavaScript function
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edited Feb 14 '17 at 22:24
jpmc26
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Error :Request header field Content-Type is not allowed by Access-Control-Allow-Headers
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Mark JonesMark Jones
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