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CSS @media print issues with background-color;

...tempting to make a printable stylesheet for our app but I'm having issues with background-color in @media print . 19 Ans...
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Determine which element the mouse pointer is on top of in JavaScript

...'s a really cool function called document.elementFromPoint which does what it sounds like. What we need is to find the x and y coords of the mouse and then call it using those values: var x = event.clientX, y = event.clientY, elementMouseIsOver = document.elementFromPoint(x, y); document.ele...
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Want to find records with no associated records in Rails

... This is still pretty close to SQL, but it should get everyone with no friends in the first case: Person.where('id NOT IN (SELECT DISTINCT(person_id) FROM friends)') share | ...
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Are there any standard exit status codes in Linux?

A process is considered to have completed correctly in Linux if its exit status was 0. 10 Answers ...
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Restore the state of std::cout after manipulating it

...ing and end of your function, or check out this answer on how to use this with RAII. share | improve this answer | follow | ...
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How do I convert a column of text URLs into active hyperlinks in Excel?

I have a column in excel, wherein I have all the website url values. My question is I want to turn the url values to active links. There are about 200 entries in that column with different urls in all cells. Is there a way I can create active hyperlinks to all the cells without writing a macro. ...
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How do I calculate percentiles with python/numpy?

... You might be interested in the SciPy Stats package. It has the percentile function you're after and many other statistical goodies. percentile() is available in numpy too. import numpy as np a = np.array([1,2,3,4,5]) p = np.percentile(a, 50) # return 50th percentile, e.g med...
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What is the difference between an ordered and a sorted collection?

...lue of the element. A SortedSet is an example. In contrast, a collection without any order can maintain the elements in any order. A Set is an example. share | improve this answer | ...
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Cleanest way to get last item from Python iterator

What's the best way of getting the last item from an iterator in Python 2.6? For example, say 14 Answers ...
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Calling C/C++ from Python?

... look at Boost.Python. Here is the short introduction taken from their website: The Boost Python Library is a framework for interfacing Python and C++. It allows you to quickly and seamlessly expose C++ classes functions and objects to Python, and vice-versa, using no special tools -- just...