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Datetime - Get next tuesday
...y;
// The (... + 7) % 7 ensures we end up with a value in the range [0, 6]
int daysUntilTuesday = ((int) DayOfWeek.Tuesday - (int) today.DayOfWeek + 7) % 7;
DateTime nextTuesday = today.AddDays(daysUntilTuesday);
If you want to give "a week's time" if it's already Tuesday, you can use:
// This fi...
Difference between size_t and unsigned int?
I am so confused about size_t . I have searched on the internet and everywhere mentioned that size_t is an unsigned type so, it can represent only non-negative values.
...
Practical usage of setjmp and longjmp in C
... bufferB;
void routineB(); // forward declaration
void routineA()
{
int r ;
printf("(A1)\n");
r = setjmp(bufferA);
if (r == 0) routineB();
printf("(A2) r=%d\n",r);
r = setjmp(bufferA);
if (r == 0) longjmp(bufferB, 20001);
printf("(A3) r=%d\n",r);
r = setj...
C/C++ check if one bit is set in, i.e. int variable
...I suspect the OP was thinking 1-based and the accepted answer will get him into trouble. :)
– Jim Buck
Feb 7 '09 at 17:36
...
How can I get the max (or min) value in a vector?
...ame T, size_t N> const T* myend (const T (&a)[N]) { return a+N; }
int main()
{
const int cloud[] = { 1,2,3,4,-7,999,5,6 };
std::cout << *std::max_element(mybegin(cloud), myend(cloud)) << '\n';
std::cout << *std::min_element(mybegin(cloud), myend(cloud)) <&l...
C++ Returning reference to local variable
...
This code snippet:
int& func1()
{
int i;
i = 1;
return i;
}
will not work because you're returning an alias (a reference) to an object with a lifetime limited to the scope of the function call. That means once func1() returns,...
How to compute the similarity between two text documents?
...
with 17 stored elements in Compressed Sparse Row format>
You can convert the sparse array to a NumPy array via .toarray() or .A:
>>> pairwise_similarity.toarray() ...
defaultdict of defaultdict?
Is there a way to have a defaultdict(defaultdict(int)) in order to make the following code work?
6 Answers
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How do you format an unsigned long long int using printf?
...ong modifier with the u (unsigned) conversion. (Works in windows, GNU).
printf("%llu", 285212672);
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C compile error: “Variable-sized object may not be initialized”
... not a compile time constant).
You must manually initialize that array:
int boardAux[length][length];
memset( boardAux, 0, length*length*sizeof(int) );
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