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How can I make the cursor turn to the wait cursor?
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How do I generate a random int number?
...nts" to Random out there to make your random-ness more robust: ericlippert.com/2019/02/04/fixing-random-part-2 and codeblog.jonskeet.uk/2009/11/04/revisiting-randomness .
– Jesse C. Slicer
Oct 8 '19 at 19:30
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How do I center text horizontally and vertically in a TextView?
...er view, but it's text centered in itself?
– user517491
Mar 10 '12 at 21:43
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This isn't working ...
How do I get the name of a Ruby class?
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For the newcomers out there, you can also obtain the class name as a string by using the class like this: User.name. User.to_s also seems to work.
– Dan Polites
Nov 20 '12 at 20:17
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Capturing multiple line output into a Bash variable
...T"
What you show is what you get from:
echo $RESULT
As noted in the comments, the difference is that (1) the double-quoted version of the variable (echo "$RESULT") preserves internal spacing of the value exactly as it is represented in the variable — newlines, tabs, multiple blanks and all ...
Process.start: how to get the output?
I would like to run an external command line program from my Mono/.NET app.
For example, I would like to run mencoder . Is it possible:
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Throwing exceptions from constructors
...8978. My I ask one more, edit-related question? The answer to which this comment is attached has an outdated hyperlink. To fix it wants to change exactly one character, replacing "#faq-17.2" with "#faq-17.8" in the URL. However, Stackoverflow's software requires that an edit submitted by a low-r...
Abandoning changes without deleting from history
There is a commit that just didn't work, so I want to abandon it without deleting it from history .
9 Answers
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postgresql - sql - count of `true` values
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91
Cast the Boolean to an integer and sum.
SELECT count(*),sum(myCol::int);
You get 6,3.
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How can I force clients to refresh JavaScript files?
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As far as I know a common solution is to add a ?<version> to the script's src link.
For instance:
<script type="text/javascript" src="myfile.js?1500"></script>
I assume at this point that there isn't a better way than...