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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 generate a random integer number from within a range
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11 Answers
11
Active
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Modular multiplicative inverse function in Python
...e inverse of a number, i.e. a number y = invmod(x, p) such that x*y == 1 (mod p) ? Google doesn't seem to give any good hints on this.
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How do I pick randomly from an array?
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1140
Just use Array#sample:
[:foo, :bar].sample # => :foo, or :bar :-)
It is available in Ru...
Numpy argsort - what is it doing?
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146
According to the documentation
Returns the indices that would sort an array.
2 is the i...
Algorithm to calculate the number of divisors of a given number
...ivisor is repeated)
then the total count for all of the divisors is:
(x + 1) * (y + 1) * (z + 1).
Edit: BTW, to find a,b,c,etc you'll want to do what amounts to a greedy algo if I'm understanding this correctly. Start with your largest prime divisor and multiply it by itself until a further multip...
Extract first item of each sublist
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201
Using list comprehension:
>>> lst = [['a','b','c'], [1,2,3], ['x','y','z']]
>>&g...
How to get whole and decimal part of a number?
Given, say, 1.25 - how do I get "1" and ."25" parts of this number?
16 Answers
16
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jQuery select by attribute using AND and OR operators
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194
AND operation
a=$('[myc="blue"][myid="1"][myid="3"]');
OR operation, use commas
a=$('[myc=...