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Forward declaring an enum in C++
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edited Apr 9 '10 at 4:13
answered Sep 16 '08 at 14:02
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How to get active user's UserDetails
...nPrincipal) and Lukas Schmelzeisen (for his answer).
(BTW: My answer is a bit older (January 2012), so it was Lukas Schmelzeisen that come up as the first one with the @AuthenticationPrincipal annotation solution base on Spring Security 3.2.)
Then you can use in your controller
public ModelAndV...
Validate that a string is a positive integer
... @gdoron The same as ~~val, cutting off fractional part. It is a bit faster since does one bitwise operation instead of two.
– VisioN
May 31 '12 at 21:32
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Using Pairs or 2-tuples in Java [duplicate]
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answered Apr 19 '10 at 21:29
maericsmaerics
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Variable number of arguments in C++?
...ore the ... syntax?
– Lazer
Jun 23 '10 at 9:54
4
@Lazer it is not a language or library requireme...
Is it possible to figure out the parameter type and return type of a lambda?
... test code below:
int main()
{
auto lambda = [](int i) { return long(i*10); };
typedef function_traits<decltype(lambda)> traits;
static_assert(std::is_same<long, traits::result_type>::value, "err");
static_assert(std::is_same<int, traits::arg<0>::type>::valu...
What's the yield keyword in JavaScript?
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answered Feb 17 '10 at 15:59
Matt BallMatt Ball
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Inversion of Control vs Dependency Injection
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Garrett HallGarrett Hall
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Insert picture into Excel cell [closed]
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109
You can add the image into a comment.
Right-click cell > Insert Comment > right-cli...
How do I send a JSON string in a POST request in Go
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– Charlie Schliesser
Mar 30 '18 at 19:10
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