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How to check if a process id (PID) exists
...s -p $PID > /dev/null
then
echo "$PID is running"
# Do something knowing the pid exists, i.e. the process with $PID is running
fi
The problem with:
kill -0 $PID
is the exit code will be non-zero even if the pid is running and you dont have permission to kill it. For example:
kill -0 1...
What does @media screen and (max-width: 1024px) mean in CSS?
...se a media statement which detects you on a desktop not mobile, and you're now at below 720px for example?
– wharfdale
Jul 14 '15 at 7:59
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AngularJS and its use of Dollar Variables
Does anyone know if the reasoning behind the use of dollar methods and variables in angularJS is to instruct angularJS to avoid checking those values when a digestion is going on? So, if angular comes across $scope.$value and $scope.value , then it will avoid checking the former since it's prefix...
How to iterate through SparseArray?
...inal SparseArray<E> array;
private int cursor;
private boolean cursorNowhere;
/**
* @param array
* to iterate over.
* @return A ListIterator on the elements of the SparseArray. The elements
* are iterated in the same order as they occur in the SparseArray.
* {@...
You have not concluded your merge (MERGE_HEAD exists)
...]
Resolve the conflict.
Don't forget to add and commit the merge.
git pull now should work fine.
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Gray out image with CSS?
... answered Nov 13 '08 at 4:45
OwenOwen
73.7k1919 gold badges112112 silver badges113113 bronze badges
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Try/Catch block in PHP not catching Exception
...on $e) instead of catch(Exception $e) . If you are using a code you don't know about very well, or - especially - if you are using a framework, it might override the default PHP Exception with one of its own, and therefore you might go to the wrong path and get the undesired result. If you just put ...
how to release localhost from Error: listen EADDRINUSE
...lt;port> 0.0.0.* LISTEN <pid>/<parent>
Now kill by pid:
kill -9 <pid>
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Bordered UITextView
... The WikiUpload links (for the two images) fails to find the image files now. ;-(
– Mike Gledhill
Apr 8 '14 at 7:41
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Unable to locate tools.jar
...
@olidev checking this now but still can't stop pointing out the issue!! How can this be your answer? You have already mentioned that you have installed jdk and jre. I'm actually facing a similar problem and it still continues :-( . Need to know ho...