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What is the advantage of using forwarding references in range-based for loops?
...ider:
#include <vector>
int main()
{
std::vector<bool> v(10);
for (auto& e : v)
e = true;
}
This doesn't compile because rvalue vector<bool>::reference returned from the iterator won't bind to a non-const lvalue reference. But this will work:
#include <...
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这或...
Reset C int array to zero : the fastest way?
Assuming that we have a T myarray[100] with T = int, unsigned int, long long int or unsigned long long int, what is the fastest way to reset all its content to zero (not only for initialization but to reset the content several times in my program)? Maybe with memset?
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Simplest way to serve static data from outside the application server in a Java web application
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IPN vs PDT in Paypal
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112
The APIs for PDT and IPN are similar. The main difference is when you receive the notificatio...
How to find controls in a repeater header or footer
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175
As noted in the comments, this only works AFTER you've DataBound your repeater.
To find a con...
What is the best method of handling currency/money?
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13 Answers
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How do I get a value of datetime.today() in Python that is “timezone aware”?
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Why does “pip install” inside Python raise a SyntaxError?
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answered Dec 17 '11 at 21:51
Lennart RegebroLennart Regebro
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How do I count a JavaScript object's attributes? [duplicate]
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108
There's no easy answer, because Object — which every object in JavaScript derives from — i...