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Is Tomcat running?
...e?
I have a cron'd checker script which sends out an email when tomcat is down:
kill -0 `cat $CATALINA_PID` > /dev/null 2>&1
if [ $? -gt 0 ]
then
echo "Check tomcat" | mailx -s "Tomcat not running" support@dom.com
fi
I guess you could also use wget to check the health of your tomca...
What is the difference between `throw new Error` and `throw someObject`?
...
const y = new Error('I was constructed via the "new" keyword!');
source: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Error
throw and throw Error will are functionally equivalent. But when you catch them and serialize them to console.log they are not serialized ...
Android studio logcat nothing to show
... android Monitor window(bottom of android studio)
3) You can see the drop down in the right corner(spinner)
4) select -- Show only Selected application.
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How to disable mouseout events triggered by child elements?
...();
}
else
{
//Hit a child-element
}
}
Code cut down for readability, won't work out of the box.
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OSX - How to auto Close Terminal window after the “exit” command executed.
...osascript: tell application "System Events" to keystroke "a" using command down. This will probably have the issue though, too.
– icktoofay
Apr 6 '11 at 1:09
...
Counting DISTINCT over multiple columns
...mp
3 )
4 /
COUNT(*)
----------
9
SQL>
edit
I went down a blind alley with analytics but the answer was depressingly obvious...
SQL> select count(distinct concat(deptno,job)) from emp
2 /
COUNT(DISTINCTCONCAT(DEPTNO,JOB))
---------------------------------
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How to return an empty ActiveRecord relation?
...
In case you don't scroll down to the new 'correct' answer: Model.none is how you'd do this.
– Joe Essey
Jan 20 '15 at 21:01
a...
jQuery UI Tabs - How to Get Currently Selected Tab Index
... didn't see mentioned was how to get the "selected tab" (Currently dropped down panel) from somewhere other than the "tab events".
I do have a simply way ...
var curTab = $('.ui-tabs-panel:not(.ui-tabs-hide)');
And to easily get the index, of course there is the way listed on the site ...
var $t...
How to copy a selection to the OS X clipboard
...ard, I'd be able to use the "* register to access the system clipboard.
I downloaded the 7.2 source and compiled it (easy as tar xjf vim-7.2.tar.bz && cd vim72 && ./configure && make && sudo make install), and the clipboard was enabled:
% which vim
/usr/local/bin/vi...
How to set a timer in android
...e this one is helpful and may take less efforts to implement,
Android CountDownTimer class
e.g.
new CountDownTimer(30000, 1000) {
public void onTick(long millisUntilFinished) {
mTextField.setText("seconds remaining: " + millisUntilFinished / 1000);
}
public void onFin...