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Why are primes important in cryptography?
One thing that always strikes me as a non-cryptographer: Why is it so important to use Prime numbers? What makes them so special in cryptography?
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Is putting a div inside an anchor ever correct?
I've heard that putting a block element inside a inline element is a HTML sin:
14 Answers
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Is a statically-typed full Lisp variant possible?
Is a statically-typed full Lisp variant possible? Does it even make sense for something like this to exist? I believe one of a Lisp language's virtues is the simplicity of its definition. Would static typing compromise this core principle?
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Git push rejected after feature branch rebase
OK, I thought this was a simple git scenario, what am I missing?
12 Answers
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How can I measure the similarity between two images? [closed]
...e) with a previously taken screenshot to determine whether the application is displaying itself correctly. I don't want an exact match comparison, because the aspect could be slightly different (in the case of a Web app, depending on the browser, some element could be at a slightly different locatio...
How to automatically reload a page after a given period of inactivity
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If you want to refresh the page if there is no activity then you need to figure out how to define activity. Let's say we refresh the page every minute unless someone presses a key or moves the mouse. This uses jQuery for event binding:
<script>
var time ...
getActivity() returns null in Fragment function
I have a fragment (F1) with a public method like this
15 Answers
15
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How to calculate moving average using NumPy?
...d moving average, you can easily implement it with np.cumsum, which may be is faster than FFT based methods:
EDIT Corrected an off-by-one wrong indexing spotted by Bean in the code. EDIT
def moving_average(a, n=3) :
ret = np.cumsum(a, dtype=float)
ret[n:] = ret[n:] - ret[:-n]
return re...
What does it mean by buffer?
...e the word "BUFFER" everywhere, but I am unable to grasp what it exactly is.
8 Answers
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How to find the kth largest element in an unsorted array of length n in O(n)?
...n in O(n). Or perhaps it's "expected" O(n) or something. How can we do this?
31 Answers
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