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Which method is used to access the value associated with a specific key in a hash in Ruby?
What will be the output of the following C++ code? #include <iostream> using namespace std; int array[10] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}; void swap(int x, int y) { int temp = array[x]; array[x] = array[y]; array[y] = temp; return; } void printArray(int size) { int i; for (i = 0; i < size; i++) cout << array[i] << " "; cout << endl; return; } void permute(int k, int size) { int i; if (k == 0) printArray(size); else { for (i = k - 1;i >= 0;i--) { swap(i, k - 1); permute(k - 1, size); swap(i, k - 1); } } return; } int main() { permute(3, 3); return 0; }
How does Hadoop's Ranger support security in Hadoop clusters?
. . . . . . . . class allows the Map/Reduce framework to partition the map outputs based on certain key fields, not the whole keys.
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