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How does a Breadth-First Search work when looking for Shortest Path?
... is shortest path
#3
It does not matter what queue you use
deque/queue(c++) or
your own queue implementation (in c language)
A circular queue is unnecessary
#4
Number of elements required for queue is N+1 at most, which I used
(dint check if N works)
here, N is V, number of vertices.
#5
...
Is there a difference between foreach and map?
...m itself may or may not have a return value, depending on the language. In C++, for example, foreach returns the operation it originally received. The idea is that the operation might have a state, and you may want that operation back to inspect how it evolved over the elements. map, too, may or may...
Using i and j as variables in Matlab
...imes discouraged.
MATLAB specifically: if you're using coder to generate C++ source from your MATLAB code (don't, it's horrible) then you are explicitly warned not to reuse variables because of potential typing clashes.
Generally, and depending on your IDE, a single-letter variable name can cause ...
Creating an instance of class
...amic memory. foo1 points to it. Normally, you wouldn't use raw pointers in C++, but rather a smart pointer. If Foo was a POD-type, this would perform value-initialization (it doesn't apply here).
/* 2 */ Foo* foo2 = new Foo;
Identical to before, because Foo is not a POD type.
/* 3 */ Foo f...
How does the “final” keyword in Java work? (I can still modify an object.)
...tion . Also searched for "Java memory model". Maybe it works this way on C/C++, but I don't think it works this way on Java. Am I correct?
– android developer
Jun 22 '14 at 19:33
4...
How do I remove diacritics (accents) from a string in .NET?
...th the simple table-based approach in How to remove accents and tilde in a C++ std::string, as recommended by @David Dibben.
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Default implementation for Object.GetHashCode()
...ation of GetHashCodeEx is fairly large, so it's easier to just link to the C++ source code.
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Are there legitimate uses for JavaScript's “with” statement?
...e.
Background
JavaScript, in spite of its superficial resemblance to C and C++, does not scope variables to the block they are defined in:
var name = "Joe";
if ( true )
{
var name = "Jack";
}
// name now contains "Jack"
Declaring a closure in a loop is a common task where this can lead to errors...
How to reuse an ostringstream?
...
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GOTO still considered harmful? [closed]
...
@user4891 The idiomatic C++ way is not try {} catch() { cleanup; }, but rather, RAII, where resources that need to be cleaned up are done so in destructors. Every constructor / destructor manages exactly one resource.
– David S...