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Python 2022-03-15 21:30:04
python dictionary methods
#Creating dictionaries dict1 = {'color': 'blue', 'shape': 'square', 'volume':40} dict2 = {'color': 'red', 'edges': 4, 'perimeter':15} #Creating new pairs and updating old ones dict1['area'] = 25 #{'color': 'blue', 'shape': 'square', 'volume': 40, 'area':... Add solution -
Other 2022-03-15 07:40:19
add new field in mongodb collection
Same as the updating existing collection field, $set will add a new fields if the specified field does not exist. Check out this example: > db.foo.find() > db.foo.insert({"test":"a"}) > db.foo.find() { "_id" : Obje... Add solution -
C++ 2022-03-15 06:55:06
segment tree complexity
// C++ program to show segment tree operations like construction, query // and update #include <bits/stdc++.h> using namespace std; // A utility function to get the middle index from corner indexes. int getMid(int s, int e) { return s + (e -s)... Add solution -
Other 2022-03-14 13:45:06
mongodb update field inside array
Consider the following document in the students collection whose grades element value is an array of embedded documents: { _id: 4, grades: [ { grade: 80, mean: 75, std: 8 }, { grade: 85, mean: 90, std: 5 }, { grade: 85, mean: 85, std: ... Add solution -
Html 2022-03-13 03:55:03
decode html17,bootstrap4,hex,octal
Version 1.3.91 ( 4th January 2020 ) - fix link url Version 1.3.9 ( 31th August 2019 ) - fix php warnings for shortcode table - fix ajax pagination issue Version 1.3.8 ( 18th August 2019 ) - fix css fade Version 1.3.7 ( 21th March 2019 ) - fix... Add solution -
Python 2022-03-13 01:25:01
dlib.correlation_tracker()
#!/usr/bin/python # The contents of this file are in the public domain. See LICENSE_FOR_EXAMPLE_PROGRAMS.txt # # This example shows how to use the correlation_tracker from the dlib Python # library. This object lets you track the position of an object as... Add solution
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