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Generate random numbers with a given (numerical) distribution

I have a file with some probabilities for different values e.g.: 13 Answers 13 ...
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CSS Font Border?

With all the new CSS3 border stuff going on ( -webkit , ...) is it now possible to add a border to your font? (Like the solid white border around the blue Twitter logo). If not, are there any not-too-ugly hacks that will accomplish this in CSS/XHTML or do I still need to fire up Photoshop? ...
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List of lists changes reflected across sublists unexpectedly

I needed to create a list of lists in Python, so I typed the following: 14 Answers 1...
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What Process is using all of my disk IO

If I use "top" I can see what CPU is busy and what process is using all of my CPU. 7 Answers ...
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Can I set background image and opacity in the same property?

I can see in CSS references how to set image transparency and how to set a background image . But how can I combine these two in order to set a transparent background image? ...
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How to pip install a package with min and max version range?

I'm wondering if there's any way to tell pip, specifically in a requirements file, to install a package with both a minimum version ( pip install package>=0.2 ) and a maximum version which should never be installed (theoretical api: pip install package<0.3 ). ...
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How to darken a background using CSS?

I have an element with text in it. Whenever I decrease the opacity, then I decrease the opacity of the WHOLE body. Is there any way I can just make the background-image darker, and not everything else? ...
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Shortest distance between a point and a line segment

I need a basic function to find the shortest distance between a point and a line segment. Feel free to write the solution in any language you want; I can translate it into what I'm using (Javascript). ...
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Extracting specific columns in numpy array

This is an easy question but say I have an MxN matrix. All I want to do is extract specific columns and store them in another numpy array but I get invalid syntax errors. Here is the code: ...
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How to convert index of a pandas dataframe into a column?

This seems rather obvious, but I can't seem to figure out how to convert an index of data frame to a column? 7 Answers ...