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How to know if two arrays have the same values
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function arraysEqual(_arr1, _arr2) {
if (!Array.isArray(_arr1) || ! Array.isArray(_arr2) || _arr1.length !== _arr2.length)
return false;
var arr1 = _arr1.concat().sort();
var arr2 = _arr2.concat().sort();
for (var i = 0; i &l...
How to calculate the number of occurrence of a given character in each row of a column of strings?
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13 Answers
13
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How to get unique values in an array
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120
Since I went on about it in the comments for @Rocket's answer, I may as well provide an exampl...
What is the most pythonic way to check if an object is a number?
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14 Answers
14
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Go > operators
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180
The super (possibly over) simplified definition is just that << is used for "times 2" an...
How does numpy.histogram() work?
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169
A bin is range that represents the width of a single bar of the histogram along the X-axis. Yo...
How to determine if a number is odd in JavaScript
... the below code:
function isOdd(num) { return num % 2;}
console.log("1 is " + isOdd(1));
console.log("2 is " + isOdd(2));
console.log("3 is " + isOdd(3));
console.log("4 is " + isOdd(4));
1 represents an odd number, while 0 represents an even number.
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How to find the kth largest element in an unsorted array of length n in O(n)?
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31 Answers
31
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