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Which is faster in Python: x**.5 or math.sqrt(x)?

...or some time. As the title say, which is faster, the actual function or simply raising to the half power? 14 Answers ...
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Delete last char of string

...ation in a list, linked to a database and I want to create a string of groups, for someone who is connected to the website. ...
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Batch file include external file for variables

...ternal file containing some variables (say configuration variables). Is it possible? 8 Answers ...
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Detecting iOS / Android Operating system

I've done some research, and this question has come up, but not in the way I intend. I'm building a page for a client that is a QR code landing, which is a place to download an application. So he doesn't have to print out 2 QR codes on a page, I'd like to detect the current operating system (Apple...
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How to change MySQL data directory?

Is it possible to change my default MySQL data directory to another path? Will I be able to access the databases from the old location? ...
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Fastest way to implode an associative array with keys

I'm looking for a fast way to turn an associative array in to a string. Typical structure would be like a URL query string but with customizable separators so I can use ' & ' for xhtml links or ' & ' otherwise. ...
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How do I compute derivative using Numpy?

How do I calculate the derivative of a function, for example 8 Answers 8 ...
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What Vim command(s) can be used to quote/unquote words?

...nge quoting (e.g. from ' to " ) in Vim? I know about the surround.vim plugin, but I would like to use just Vim. 16 An...
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How to pause a YouTube player when hiding the iframe?

...licks on a link, this div becomes visible, the user should then be able to play the video. 14 Answers ...
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Can Android do peer-to-peer ad-hoc networking?

Is it possible to set up Android in ad-hoc peer-to-peer wifi mode? For example, I would like to have one phone broadcast a message, and have all peers in the network receive the broadcast, without having a server. I would like to use wifi since bluetooth range is more limited. ...