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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 disable mouseout events triggered by child elements?

...(); } else { //Hit a child-element } } Code cut down for readability, won't work out of the box. share | improve this answer | follow ...
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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 ...
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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. share | improve this answer | ...
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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...
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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...
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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...
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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...
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Comparison of CI Servers? [closed]

... are useless unless there's filtering. To add insult to injury, there's no download (csv) and the markdown cannot be downloaded directly. Even that resisted copying into excel... I gave up. – sehe Nov 28 '13 at 9:03 ...
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How to get GET (query string) variables in Express.js on Node.js?

...correct answer. See here: stackoverflow.com/questions/17007997/… (scroll down to answer below the accepted answer) – Joseph Juhnke Nov 6 '14 at 20:07 3 ...