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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
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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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Checking that a List is not empty in Hamcrest
I was wondering if anyone knew of a way to check if a List is empty using assertThat() and Matchers ?
5 Answers
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How to overcome root domain CNAME restrictions?
We are hosting many web applications for our customers. As is obvious they want to use their own domains to refer to those applications, usually they want that any user that either type http://www.customer1.example or http://customer1.example goes to their web application.
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What is the memory consumption of an object in Java?
Is the memory space consumed by one object with 100 attributes the same as that of 100 objects, with one attribute each?
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What tools are there for functional programming in C?
...w to go about doing functional programming in C ( not C++). Obviously, C is a procedural language and doesn't really support functional programming natively.
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