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Make Div overlay ENTIRE page (not just viewport)?

... The viewport is all that matters, but you likely want the entire website to stay darkened even while scrolling. For this, you want to use position:fixed instead of position:absolute. Fixed will keep the element static on the screen as you sc...
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Should I use scipy.pi, numpy.pi, or math.pi?

...gt;> math.pi == np.pi == scipy.pi True So it doesn't matter, they are all the same value. The only reason all three modules provide a pi value is so if you are using just one of the three modules, you can conveniently have access to pi without having to import another module. They're not provi...
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Update a record without first querying?

... @Gabriel Won't this update all properties though? What if I only want to modify a single one? – David Pfeffer Aug 15 '12 at 0:45 22 ...
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How Python web frameworks, WSGI and CGI fit together

... How WSGI, CGI, and the frameworks are all connected? Apache listens on port 80. It gets an HTTP request. It parses the request to find a way to respond. Apache has a LOT of choices for responding. One way to respond is to use CGI to run a script. Another w...
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Getting the filenames of all files in a folder [duplicate]

I need to create a list with all names of the files in a folder. 3 Answers 3 ...
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AWK: Access captured group from line pattern

... I prefer 'perl -n -p -e...' over awk for almost all use cases, since it is more flexible, more powerful and has a saner syntax in my opinion. – Peter Tillemans Jun 23 '11 at 18:39 ...
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Need a simple explanation of the inject method

...otal and then stores the result back into the accumulator. The next block call has this new value, adds to it, stores it again, and repeats. At the end of the process, inject returns the accumulator, which in this case is the sum of all the values in the array, or 10. Here's another simple example...
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What's the fastest way to loop through an array in JavaScript?

...o Currently, the fastest form of loop (and in my opinion the most syntactically obvious). A standard for-loop with length caching var i = 0, len = myArray.length; while (i < len) { // your code i++ } I would say, this is definitely a case where I applaud JavaScript en...
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Linux/Unix command to determine if process is running?

...s arg vector. Any such approach is doomed to fail sooner or later (you actually admit to that yourself, by saying that more checks are needed). I've added my own recommendation in a separate answer. – peterh Oct 3 '13 at 10:41 ...
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ASP.NET: This method cannot be called during the application's pre-start initialization stage

... I see. It automatically defines security and membership rules so you have to override them before you add custom ones. Tricky. – Jonathan Allen May 25 '11 at 8:46 ...