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@Media min-width & max-width

...ult CSS for the older browsers, as older browsers including i.e. 5.5, 6, 7 and 8. Can't read @media. When I use @media I use it like this: <style type="text/css"> /* default styles here for older browsers. I tend to go for a 600px - 960px width max but using percentages */ ...
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Calculating Pearson correlation and significance in Python

I am looking for a function that takes as input two lists, and returns the Pearson correlation , and the significance of the correlation. ...
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What is the difference between Ruby 1.8 and Ruby 1.9

...m not clear on the differences between the "current" version of Ruby (1.8) and the "new" version (1.9). Is there an "easy" or a "simple" explanation of the differences and why it is so different? ...
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Is it fine to have foreign key as primary key?

...n to this are tables with a one-to-one relationship, where the foreign key and primary key of the linked table are one and the same. share | improve this answer | follow ...
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“static const” vs “#define” vs “enum”

... It depends on what you need the value for. You (and everyone else so far) omitted the third alternative: static const int var = 5; #define var 5 enum { var = 5 }; Ignoring issues about the choice of name, then: If you need to pass a pointer around, you must use (1). ...
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Automatic Retina images for web sites

With the new Apple MacBook Pro with retina display, if you provide a "standard" image on your website, it'll be a little fuzzy. So you have to provide a retina image. ...
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getViewTypeCount and getItemViewType methods of ArrayAdapter

Can somebody in plain words explain me the usage of getViewTypeCount() and getItemViewType() methods of ArrayAdapter ? ...
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Why do we have map, fmap and liftM?

... map exists to simplify operations on lists and for historical reasons (see What's the point of map in Haskell, when there is fmap?). You might ask why we need a separate map function. Why not just do away with the current list-only map function, and rename fmap...
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WiX tricks and tips

We've been using WiX for a while now, and despite the usual gripes about ease of use, it's going reasonably well. What I'm looking for is useful advice regarding: ...
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How do I view 'git diff' output with my preferred diff tool/ viewer?

...file new-hex new-mode As most diff tools will require a different order (and only some) of the arguments, you will most likely have to specify a wrapper script instead, which in turn calls the real diff tool. The second method, which I prefer, is to configure the external diff tool via "git confi...