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Copy constructor for a class with unique_ptr
...A( const A& a ) : up_( new int( *a.up_ ) ) {}
};
int main()
{
A a( 42 );
A b = a;
}
You can, as NPE mentioned, use a move-ctor instead of a copy-ctor but that would result in different semantics of your class. A move-ctor would need to make the member as moveable explicitly via std::mov...
Array Length in Java
...
Azeem
6,79344 gold badges1717 silver badges3232 bronze badges
answered Jan 6 '12 at 9:34
KaiKai
...
How can I use UUIDs in SQLAlchemy?
...
147
The sqlalchemy postgres dialect supports UUID columns. This is easy (and the question is speci...
What is JavaScript's highest integer value that a number can go to without losing precision?
...: Number and BigInt.
The most frequently-used number type, Number, is a 64-bit floating point IEEE 754 number.
The largest exact integral value of this type is Number.MAX_SAFE_INTEGER, which is:
253-1, or
+/- 9,007,199,254,740,991, or
nine quadrillion seven trillion one hundred ninety-nine bi...
Should a RESTful 'PUT' operation return something
...date to an
existing resource. No response body needed. (Per Section 9.6, 204 No Content is even more appropriate.)
HTTP status code 201 Created for a successful PUT of a new
resource, with the most specific URI for the new resource returned in the Location header field and any other relevant URIs an...
Fastest way to convert string to integer in PHP
...
intval("123"): 1.0115 (183%)
(int) "0": 0.42461
intval("0"): 0.95683 (225%)
(int) int: 0.1502
intval(int): 0.65716 (438%)
(int) array("a", "b"): 0.91264
intval(array("a", "b")): 1.47681 (162%)
(int) "hello": ...
Easy way to dismiss keyboard?
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edited May 14 '19 at 14:25
Iulian Onofrei
6,77988 gold badges5252 silver badges9393 bronze badges
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Best way to detect that HTML5 is not supported
... |
edited Sep 27 '11 at 4:02
community wiki
3...
Forking from GitHub to Bitbucket
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146
It's not possible to send "pull request" across different sites today. I've added a feature req...
HTML encoding issues - “” character showing up instead of “ ”
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344
Somewhere in that mess, the non-breaking spaces from the HTML template (the s) are encodin...