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What is the difference between '/' and '//' when used for division?

...floating point division, and the latter is floor division, sometimes also called integer division. In Python 2.2 or later in the 2.x line, there is no difference for integers unless you perform a from __future__ import division, which causes Python 2.x to adopt the 3.x behavior. Regardless of the ...
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Get operating system info

...x]{2})', 'Windows'); // Doesn't seem like these are necessary...not totally sure though.. //$ros[] = array('(winnt)([0-9]{1,2}\.[0-9]{1,2}){0,1}', 'Windows NT'); //$ros[] = array('(windows nt)(([0-9]{1,2}\.[0-9]{1,2}){0,1})', 'Windows NT'); // fix by bg $ros[] = array('Windows ME', '...
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Make elasticsearch only return certain fields?

...fields from there. May impact performance if returned data is relatively small to the size of a whole document. – Zaar Hai Aug 18 '13 at 10:19 ...
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How can I wait for a thread to finish with .NET?

I've never really used threading before in C# where I need to have two threads, as well as the main UI thread. Basically, I have the following. ...
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How to dynamically load a Python class

...hing like this won't work: __import__('foo.bar.baz.qux') You'd have to call the above function like so: my_import('foo.bar.baz.qux') Or in the case of your example: klass = my_import('my_package.my_module.my_class') some_object = klass() EDIT: I was a bit off on this. What you're basicall...
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How to calculate the bounding box for a given lat/lng location?

... I suggest to approximate locally the Earth surface as a sphere with radius given by the WGS84 ellipsoid at the given latitude. I suspect that the exact computation of latMin and latMax would require elliptic functions and would not yield an appreciable ...
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Removing all non-numeric characters from string in Python

How do we remove all non-numeric characters from a string in Python? 7 Answers 7 ...
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PDO closing connection

... close the connection, you need to destroy the object by ensuring that all remaining references to it are deleted--you do this by assigning NULL to the variable that holds the object. If you don't do this explicitly, PHP will automatically close the connection when your script ends. Note...
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How does the main() method work in C?

...d nothing bad happens with their given compiler. This is the case if the calling conventions are such that: The calling function cleans up the arguments. The leftmost arguments are closer to the top of the stack, or to the base of the stack frame, so that spurious arguments do not invalidate the ...
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Why would $_FILES be empty when uploading files to PHP?

I have WampServer 2 installed on my Windows 7 computer. I'm using Apache 2.2.11 and PHP 5.2.11. When I attempt to upload any file from a form, it seems to upload, but in PHP, the $_FILES array is empty. There is no file in the c:\wamp\tmp folder. I have configured php.ini to allow file uploads...