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Other 2022-02-26 14:15:04
return only specific fields mongodb
db.student.find({}, 'roll _id'); // <--- Just multiple fields name space separated // OR db.student.find({}).select('roll _id'); // <--- Just multiple fields name space separated // OR db.student.find({}, {'roll' : 1 , '_id' : 1 ); // <---- Old l... Add solution -
C++ 2022-02-24 22:15:12
count the occurrences ofanagram
//this solution is for when both the string have same type of character //example: aabaabaa and aaba #include <bits/stdc++.h> using namespace std; int main() { string s,ptr; cout<<"Enter the first string:"<<endl; ... Add solution -
C++ 2022-02-24 11:00:27
get index of value c++
vector<int> arr = { 6, 3, 5, 2, 8 }; vector<int>::iterator itr = std::find(arr.begin(), arr.end(), elem); if (itr != end(arr)) { cout << "Element " << elem << " is present at index " << distance(ar... Add solution -
Javascript 2022-02-22 17:00:20
jquery La méthode .load()
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>jQuery demo ajax load</title> <script type="text/javascript" src= "http://ajax.googleapis.com/ajax/libs/jqu... Add solution
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