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Struct inheritance in C++
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answered Jun 11 '09 at 3:44
Alex MartelliAlex Martelli
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Example of UUID generation using Boost in C++
...; uuid << std::endl;
}
Example output:
7feb24af-fc38-44de-bc38-04defc3804de
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Is there an “exists” function for jQuery?
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In JavaScript, everything is 'truthy' or 'falsy', and for numbers 0 means false, everything else...
Piping buffer to external command in Vim
...n Kugelman
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increase legend font size ggplot2
...lement_text(size = 12, face = "bold"),
legend.title=element_text(size=10),
legend.text=element_text(size=9))
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Python Flask Intentional Empty Response
... HTTP server must return something. The HTTP 'empty response' response is 204 No Content:
return ('', 204)
Note that returning a file to the browser is not an empty response, just different from a HTML response.
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MySQL: how to get the difference between two timestamps in seconds
...and the TIME_TO_SEC() functions as follows:
SELECT TIME_TO_SEC(TIMEDIFF('2010-08-20 12:01:00', '2010-08-20 12:00:00')) diff;
+------+
| diff |
+------+
| 60 |
+------+
1 row in set (0.00 sec)
You could also use the UNIX_TIMESTAMP() function as @Amber suggested in an other answer:
SELECT UNIX_T...
Show a PDF files in users browser via PHP/Perl
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answered Jan 13 '11 at 12:04
StephenStephen
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Printing leading 0's in C?
I'm trying to find a good way to print leading 0's, such as 01001 for a zipcode. While the number would be stored as 1001, what is a good way to do it?
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How to make execution pause, sleep, wait for X seconds in R?
...ible
}
testit(3.7)
Yielding
> testit(3.7)
user system elapsed
0.000 0.000 3.704
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