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How can you iterate over the elements of an std::tuple?
... {
t.do_sth();
}
};
tuple<....> t = ...;
boost::fusion::for_each(t, DoSomething());
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How to generate a random int in C?
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Note: Don't use rand() for security. If you need a cryptographically secure number, see this answer instead.
#include <time.h>
#include <stdlib.h>
srand(time(NULL)); // Initialization, should only be called once.
int r = rand(); ...
how to make svn diff show only non-whitespace line changes between two revisions
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Is that new for 1.6? SVN never use to do that. I should keep more current :)
– Dan McGrath
Nov 16 '09 at 12:02
4
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Is there any way to see the file system on the iOS simulator?
...ile system of a currently running or just killed iOS simulator? I'd settle for being able to see a specific app's files if there's a way to do that.
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How to sum up elements of a C++ vector?
...ly there are quite a few methods.
int sum_of_elems = 0;
C++03
Classic for loop:
for(std::vector<int>::iterator it = vector.begin(); it != vector.end(); ++it)
sum_of_elems += *it;
Using a standard algorithm:
#include <numeric>
sum_of_elems = std::accumulate(vector.begin()...
How do I return rows with a specific value first?
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Works for me in Oracle.
– MonkeyWithDarts
Nov 25 '13 at 23:20
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How to get the instance id from within an ec2 instance?
... also use curl instead of wget, depending on what is installed on your platform.
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Difference between this and self in self-type annotations?
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All three forms are valid, and have the effect that B is assumed as the type of this in class A.
The first two variants
trait A { self: B => ... }
trait A { foo: B => ... }
introduce self (respectively, foo) as an alias for ...
Mix Razor and Javascript code
...t;text>:
<script type="text/javascript">
var data = [];
@foreach (var r in Model.rows)
{
<text>
data.push([ @r.UnixTime * 1000, @r.Value ]);
</text>
}
</script>
...
UIButton: set image for selected-highlighted state
I set an images for button's states Normal,Highlighted and Selected, but when the button in selected state and I press/highlight it I didn't see my highlighted image but just grayed picture.
Is it possible to set an image for highlighted state when the button selected?
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