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Switch on ranges of integers in JavaScript [duplicate]
I want to do something like this
9 Answers
9
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Getting the IP address of the current machine using Java
...8.8.8.8"), 10002);
ip = socket.getLocalAddress().getHostAddress();
}
This way works well when there are multiple network interfaces. It always returns the preferred outbound IP. The destination 8.8.8.8 is not needed to be reachable.
Connect on a UDP socket has the following effect: it sets the...
How to retrieve a module's path?
I want to detect whether module has changed. Now, using inotify is simple, you just need to know the directory you want to get notifications from.
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Quicksort: Choosing the pivot
When implementing Quicksort, one of the things you have to do is to choose a pivot. But when I look at pseudocode like the one below, it is not clear how I should choose the pivot. First element of list? Something else?
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lexers vs parsers
...for the whole document/source file, because the whole document/source file is a proper sentence for them. But there aren't any reasons why parser couldn't produce a series of syntax trees on its output. E.g. it could be a parser which recognizes SGML tags sticked into plain-text. So it'll tokenize t...
C++ IDE for Linux? [closed]
... expand my programming horizons to Linux. A good, dependable basic toolset is important, and what is more basic than an IDE?
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UIView frame, bounds and center
...bounds and center and theirs relationships.
Frame A view's frame (CGRect) is the position of its rectangle in the superview's coordinate system. By default it starts at the top left.
Bounds A view's bounds (CGRect) expresses a view rectangle in its own coordinate system.
Center A center is a CGPo...
How does a debugger work?
...slates code to machine language, but then how does debugger 'know' what it is being attached to?
7 Answers
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Function passed as template argument
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Yes, it is valid.
As for making it work with functors as well, the usual solution is something like this instead:
template <typename F>
void doOperation(F f)
{
int temp=0;
f(temp);
std::cout << "Result is " <&l...
When is each sorting algorithm used? [closed]
What are the use cases when a particular sorting algorithm is preferred over others - merge sort vs QuickSort vs heapsort vs 'intro sort', etc?
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