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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...
JComboBox Selection Change Listener?
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I know this question is old, but in order to complement, ActionListener is also fired if addItem method is called.
– Gabriel Câmara
Feb 23 '15 at 16:01
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Maximum size of a element
...ousands of pixels. However, after a certain number of pixels (obviously unknown), the canvas no longer display shapes I draw with JS.
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Get epoch for a specific date using Javascript
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You can also use Date.now() function.
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In PHP, can you instantiate an object and call a method on the same line?
...on of the statement (new Foo)->property - the value you are storing has nowhere to go because the object will no longer exist after that as it's not stored anywhere.
– thomasrutter
Aug 3 '15 at 1:14
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How to listen for a WebView finishing loading a URL?
...unless you disconnect the network or connect in another good one. I don't know how to solve this yet, I'm trying.
– Felipe
Jul 18 '11 at 0:10
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git push fails: RPC failed; result=22, HTTP code = 411
... mouse button, select TortoiseGit -> Settings. Accept the info message. Now, you can choose if you want to configure the property only for the current project or system whide. For systemwide configuration press "edit systemwide gitconfig" and add the next line to the section [http]:
postBuffer =...
Binary Data in MySQL [closed]
...nsiderations other than performance. For example I'm working on something now where performance doesn't matter at all. Other factors such as centralisation, simplicity and backups mean that in this case storing in the database makes sense. Another common reason is replication.
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ADB Install Fails With INSTALL_FAILED_TEST_ONLY
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I suspect that right now (Oct/Nov 2017) this is the correct answer for most people who get here. Before AS 3, the APK produced by "Run" was installable even outside of AS, no it is not.
– noamtm
Nov 9 '17 at...
How do I unload (reload) a Python module?
....4, in favour of importlib (thanks @Stefan!).
I think, therefore, you’d now use importlib.reload(module), although I’m not sure.
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