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Best practice to run Linux service as a different user
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On Debian we use the start-stop-daemon utility, which handles pid-files, changing the user, putting the daemon into background and much more.
I'm not familiar with RedHat, but the daemon utility that you are already using (which is defined in /etc/init.d/functions, btw.) is ment...
Hide all but $(this) via :not in jQuery selector
... a mistake with the dot. I somehow fail to see how this is easier than Alexanders solution, which seems more clean. I know i asked how to do it with :not, but the siblings method just seems more clean.
– Kordonme
Aug 26 '09 at 6:13
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JavaScript Form Submit - Confirm or Cancel Submission Dialog Box
...or the user's convenience. JavaScript code is freely editable by the user, and should not be trusted. The real validation should always be done in the back end to avoid malformed or malicious data reaching your database or server.
– Adrian Wiik
Sep 7 at 22:21
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Onclick javascript to make browser go back to previous page?
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What's the action="action" part for? And is it valid html??
– ban-geoengineering
Apr 26 '17 at 18:34
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List comprehension in Ruby
... % 2 == 0 ? x * 3 : nil}.compact
Slightly cleaner, at least to my taste, and according to a quick benchmark test about 15% faster than your version...
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How do I rename the extension for a bunch of files?
...o external calls), see one of the other answers.
The following would do and does not require the system to have the rename program (although you would most often have this on a system):
for file in *.html; do
mv "$file" "$(basename "$file" .html).txt"
done
EDIT: As pointed out in the comme...
Mocking python function based on input arguments
... it is pretty simple, but improves readability the fact that function name and param name are different :)
– Juan Antonio Gomez Moriano
Apr 23 '13 at 6:21
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Extract a dplyr tbl column as a vector
... a neat function to make pulling out a column a bit nicer (easier to type, and easier to read):
pull <- function(x,y) {x[,if(is.name(substitute(y))) deparse(substitute(y)) else y, drop = FALSE][[1]]}
This lets you do either of these:
iris2 %>% pull('Species')
iris2 %>% pull(Species)
iri...
jQuery add required to input fields
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required is a boolean attribute and should only ever be omitted (for "false"), or have the same value as its name (i.e. "required") for "true". It's actually better to use .prop().
– Alnitak
Jan 10 at 10:33
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What is the correct XPath for choosing attributes that contain “foo”?
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//a[contains(@prop,'Foo')]
I added this for the sake of thoroughness and in the spirit of stackoverflow. :)
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