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What is the exact meaning of IFS=$'\n'?
...otes) as \', which, '...' (regular single-quoted strings) cannot:
echo $'Honey, I\'m home' # OK; this cannot be done with '...'
List of supported escape sequences:
Backslash escape sequences, if present, are decoded as follows:
\a
alert (bell)
\b
backspace
\e
\E
an esca...
Using only CSS, show div on hover over
I would like to show a div when someone hovers over an <a> element, but I would like to do this in CSS and not JavaScript. Do you know how this can be achieved?
...
How to emulate C array initialization “int arr[] = { e1, e2, e3, … }” behaviour with std::array?
...eft for a C array like int arr[20]; . On his answer , @James Kanze shows one of the last strongholds of C arrays, it's unique initialization characteristics:
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What is the relationship between the docker host OS and the container base image OS?
...
As mentioned by BraveNewCurrency, the only relationship between the host OS and the container is the Kernel.
It is one of the main difference between docker and 'regular' virtual machines, there is no overhead, everything takes plac...
What's the point of JAXB 2's ObjectFactory classes?
...ibility isn't the only reason. :-P
With more complicated schemas, such as ones that have complicated constraints on the values that an element's contents can take on, sometimes you need to create actual JAXBElement objects. They are not usually trivial to create by hand, so the create* methods do t...
How do I disable the resizable property of a textarea?
...e disables resizing behavior for textarea elements:
textarea {
resize: none;
}
To disable it for some (but not all) textareas, there are a couple of options.
To disable a specific textarea with the name attribute set to foo (i.e., <textarea name="foo"></textarea>):
textarea[name=f...
Scraping html tables into R data frames using the XML package
...t(lapply(tables, function(t) dim(t)[1]))
the picked table is the longest one on the page
tables[[which.max(n.rows)]]
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How do I search within an array of hashes by hash values in ruby?
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Oh! You were the first one! Deleting my answer and +1.
– Milan Novota
Feb 11 '10 at 14:13
22
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When should std::move be used on a function return value? [duplicate]
...m foo to the return value of meh is required to be the move constructor if one exists.
Adding move does have a potential effect, though: it prevents the move being elided, because return std::move(foo); is not eligible for NRVO.
As far as I know, 12.8/32 lays out the only conditions under which a ...
RESTful Alternatives to DELETE Request Body
... is the approach we ended up using after evaluating the other options mentioned in the question/answers, and after collaborating with consumers of the service.
While the use of the message body is not ideal, none of the other options were perfectly fitting either. The request body DELETE allowed us...