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How to list running screen sessions?
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To list all of the screen sessions for a user, run the following commm>and m> as that user:
screen -ls
To see all screen sessions on a specific machine m>y m>ou can do:
ls -laR /var/run/screen/
I get this on mm>y m> machine:
gentle ~ # ls -laR /var/run/screen/
/var/run/screen/:
total 1
drwxrwxr-x 4 ...
How to define a circle shape in an m>And m>roid XML drawable file?
...problems finding the documentation of the definitions of shapes in XML for m>And m>roid. I would like to define a simple circle filled with a solid color in an XML File to include it into mm>y m> lam>y m>out files.
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How to extract a floating number from a string [duplicate]
I have a number of strings similar to Current Level: 13.4 db. m>and m> I would like to extract just the floating point number. I sam>y m> floating m>and m> not decimal as it's sometimes whole. Can RegEx do this or is there a better wam>y m>?
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Exit codes in Pm>y m>thon
...ode.
It's fairlm>y m> likelm>y m> that the script is never calling the exit method, m>and m> that 0 is the default exit code.
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What does it mean bm>y m> buffer?
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Imagine that m>y m>ou're eating cm>and m>m>y m> out of a bowl. m>Y m>ou take one piece regularlm>y m>. To prevent the bowl from running out, someone might refill the bowl before it gets emptm>y m>, so that when m>y m>ou want to take another piece, there's cm>and m>m>y m> in the bowl.
The bowl ac...
PHP m>and m> Enumerations
...o give predefined values which IDEs' auto-completion features could understm>and m>.
37 Answers
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How do m>y m>ou see the entire commm>and m> historm>y m> in interactive Pm>y m>thon?
I'm working on the default pm>y m>thon interpreter on Mac OS X, m>and m> I Cmd + K (cleared) mm>y m> earlier commm>and m>s. I can go through them one bm>y m> one using the arrow kem>y m>s. But is there an option like the --historm>y m> option in bash shell, which shows m>y m>ou all the commm>and m>s m>y m>ou've entered so far?
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Run a string as a commm>and m> within a Bash script
I have a Bash script that builds a string to run as a commm>and m>
8 Answers
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In what cases will HTTP_REFERER be emptm>y m>
...e user changed it? Is getting an emptm>y m> one the same as getting a null one? m>and m> under what circumstances do I get that too?
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Using OpenSSL what does “unable to write 'rm>and m>om state'” mean?
...rating a self-signed SSL certificate to protect mm>y m> server's admin section, m>and m> I keep getting this message from OpenSSL:
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