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What is a “callback” in C and how are they implemented?
...ray, size_t arraySize, int (*getNextValue)(void))
{
for (size_t i=0; i<arraySize; i++)
array[i] = getNextValue();
}
int getNextRandomValue(void)
{
return rand();
}
int main(void)
{
int myarray[10];
populate_array(myarray, 10, getNextRandomValue);
...
}
Here, the po...
minimum double value in C/C++
...e the floating-point model in 5.2.4.2.2 Characteristics of floating types <float.h> p2 of C99 (may have been moved elsewhere since then).
– user743382
Nov 10 '14 at 22:23
2
...
Co-variant array conversion from x to y may cause run-time exception
I have a private readonly list of LinkLabel s ( IList<LinkLabel> ). I later add LinkLabel s to this list and add those labels to a FlowLayoutPanel like follows:
...
XML parsing of a variable string in JavaScript
...e the cross-browsers differences.
A really basic example is:
var xml = "<music><album>Beethoven</album></music>";
var result = $(xml).find("album").text();
Note: As pointed out in comments; jQuery does not really do any XML parsing whatsoever, it relies on the DOM innerH...
Use of Finalize/Dispose method in C#
...need to write finalizers for your managed classes at all. blogs.msdn.com/bclteam/archive/2005/03/16/396900.aspx
– JMarsch
May 22 '09 at 18:30
5
...
What exactly is a Maven Snapshot and why do we need it?
...es you a way to change this update policy in your repository definition:
<repository>
<id>foo-repository</id>
<url>...</url>
<snapshots>
<enabled>true</enabled>
<updatePolicy>XXX</updatePolicy>
</snapshot...
AngularJS sorting by property
...
AngularJS' orderBy filter does just support arrays - no objects. So you have to write an own small filter, which does the sorting for you.
Or change the format of data you handle with (if you have influence on that). An array containing objects ...
Stop form refreshing page on submit
...bmitting with
$("#prospects_form").submit(function(e) {
e.preventDefault();
});
Of course, in the function, you can check for empty fields, and if anything doesn't look right, e.preventDefault() will stop the submit.
Without jQuery:
var form = document.getElementById("myForm");
function han...
Compelling examples of custom C++ allocators?
... Intel TBB's custom STL allocator significantly improve performance of a multithreaded app simply by changing a single
std::vector<T>
to
std::vector<T,tbb::scalable_allocator<T> >
(this is a quick and convenient way of switching the allocator to use TBB's nifty thread-priva...
Is it better to call ToList() or ToArray() in LINQ queries?
...ht where I declare it. This is usually because I need to iterate over it multiple times and it is expensive to compute. For example:
...