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Is there a better way of writing v = (v == 0 ? 1 : 0); [closed]
I want to toggle a variable between 0 and 1. If it's 0 I want to set it to 1, else if it's 1 I want to set it to 0.
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How to delete multiple values from a vector?
I have a vector like: a = c(1:10) and I need to remove multiple values, like: 2, 3, 5
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Can someone give an example of cosine similarity, in a very simple, graphical way?
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“INSERT IGNORE” vs “INSERT … ON DUPLICATE KEY UPDATE”
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Convert a matrix to a 1 dimensional array
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Comparing numbers in Bash
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In bash, you should do your check in arithmetic context:
if (( a > b )); then
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fi
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Is 1.0 a valid output from std::generate_canonical?
I always thought random numbers would lie between zero and one, without 1 , i.e. they are numbers from the half-open interval [0,1). The documention on cppreference.com of std::generate_canonical confirms this.
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Get the cartesian product of a series of lists?
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What is the most efficient way of finding all the factors of a number in Python?
...return set(reduce(list.__add__,
([i, n//i] for i in range(1, int(n**0.5) + 1) if n % i == 0)))
This will return all of the factors, very quickly, of a number n.
Why square root as the upper limit?
sqrt(x) * sqrt(x) = x. So if the two factors are the same, they're both the square...