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What is more efficient? Using pow to square or just multiply it with itself?

...result of every pow calculation to make sure the compiler doesn't optimize it away. If I use the std::pow(double, double) version, and loops = 1000000l, I get: 1 00:00:00.011339 00:00:00.011262 2 00:00:00.011259 00:00:00.011254 3 00:00:00.975658 00:00:00.011254 4 00:00:00.976427 00:00:00.011254...
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How to identify numpy types in python?

...o get the type, then you can use the __module__ property to find out where it was defined: >>> import numpy as np a = np.array([1, 2, 3]) >>> type(a) <type 'numpy.ndarray'> >>> type(a).__module__ 'numpy' >>> type(a).__module__ == np.__name__ True ...
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How to keep a Python script output window open?

I have just started with Python. When I execute a python script file on Windows, the output window appears but instantaneously goes away. I need it to stay there so I can analyze my output. How can I keep it open? ...
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How to check file input size with jQuery?

I have a form with file upload capabilities and I would like to be able to have some nice client side error reporting if the file the user is trying to upload is too big, is there a way to check against file size with jQuery, either purely on the client or somehow posting the file back to the server...
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Asp.NET Web API - 405 - HTTP verb used to access this page is not allowed - how to set handler mappi

... Common cause for this error is WebDAV. Make sure you uninstall it. share | improve this answer | follow | ...
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Vim: insert the same characters across multiple lines

Sometimes I want to edit a certain visual block of text across multiple lines. 12 Answers ...
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What is the (best) way to manage permissions for Docker shared volumes?

I've been playing around with Docker for a while and keep on finding the same issue when dealing with persistent data. 13 A...
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How do I get a UTC Timestamp in JavaScript?

While writing a web application, it makes sense to store (server side) all datetimes in the DB as UTC timestamps. 16 Answ...
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An existing connection was forcibly closed by the remote host

I am working with a commercial application which is throwing a SocketException with the message, 11 Answers ...
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Animate change of view background color on Android

...iguring out a (pretty good) solution for this problem! You can use a TransitionDrawable to accomplish this. For example, in an XML file in the drawable folder you could write something like: <?xml version="1.0" encoding="UTF-8"?> <transition xmlns:android="http://schemas.android.com/apk/r...