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Why does an overridden function in the derived class hide other overloads of the base class?
...They will resolve to D::foo(int), since int is a better match for integral zero (i.e. NULL) than any pointer type. So, throughout the hierarchy calls to foo(NULL) resolve to one function, while in D (and under) they suddenly resolve to another.
Another example is given in The Design and Evolution ...
What is the boundary in multipart/form-data?
...odin
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answered Dec 2 '13 at 5:07
Oscar MederosOscar Mederos
25.9k2020 gold...
What is a Context Free Grammar?
...l view
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answered Jul 15 '11 at 21:29
aegrisomniaaegrisomnia
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What are the differences between poll and select?
...e is that select()'s fd_set is a bit mask and
therefore has some fixed size. It would be possible for the kernel to
not limit this size when the kernel is compiled, allowing the
application to define FD_SETSIZE to whatever it wants (as the comments
in the system header imply today) but it t...
Constructor overloading in Java - best practice
...ic Simple(Resource r1, Resource r2) {
// Guard statements, initialize resources or throw exceptions if
// the resources are wrong
if (r1 == null) {
r1 = new Resource();
}
if (r2 == null) {
r2 = new Resource();
}
// do w...
What are “Groovy” and “Grails” and what kinds of applications are built using them?
... edited Jun 19 '14 at 1:22
Ofer Zelig
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answered Oct 4 '09 at 23:18
...
Are lists thread-safe?
...d other implementations take care to use a fine-grained lock or a synchronized datatype for their list implementations. However, while lists themselves can't go corrupt by attempts to concurrently access, the lists's data is not protected. For example:
L[0] += 1
is not guaranteed to actually incr...
Common MySQL fields and their appropriate data types
...da5id
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2
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Given an emacs command name, how would you find key-bindings ? (and vice versa)
...
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In Matlab, when is it optimal to use bsxfun?
... along their "singleton dimensions", i.e. the dimensions along which the size of the array is 1, so that they match the size of the corresponding dimension of the other array. This is what is called "singleton expasion". As an aside, the singleton dimensions are the ones that will be dropped if you ...