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Statistics: combinations in Python

I need to compute combinatorials (nCr) in Python but cannot find the function to do that in math , numpy or stat libraries. Something like a function of the type: ...
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python location on mac osx

...know if the previous owner of the laptop has installed macpython using macport. And I remembered that osx has an builtin version of python. I tried using type -a python and the result returned ...
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How to merge dictionaries of dictionaries?

I need to merge multiple dictionaries, here's what I have for instance: 29 Answers 29 ...
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What's better at freeing memory with PHP: unset() or $var = null

...ting to know if one is better than the other. I have been using unset() for most of my coding, but I've recently looked through a few respectable classes found off the net that use $var = null instead. ...
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Purpose of Trigraph sequences in C++?

According to C++'03 Standard 2.3/1: 9 Answers 9 ...
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Windows 7 SDK installation failure

...talls version 10.0.30319 of the Visual C++ 2010 Redistributable. The error message is located in the log file, which can be opened through the View Log button in the installer. Otherwise, it can be found here: %userprofile%\AppData\Local\Temp\ or %temp%. The log file is most likely called SDKSetu...
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How do I check if an element is really visible with JavaScript? [duplicate]

... For the point 2. I see that no one has suggested to use document.elementFromPoint(x,y), to me it is the fastest way to test if an element is nested or hidden by another. You can pass the offsets of the targetted element to th...
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Convert string with comma to integer

... Thanks for your answer. It's way much better than mine. In fact i was hoping there would be one call instead of two. like: "1,112".to_money. After reviewing the answers, it's likely there's no such method. Anyway, thanks so much! ...
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Create a .csv file with values from a Python list

... import csv with open(..., 'wb') as myfile: wr = csv.writer(myfile, quoting=csv.QUOTE_ALL) wr.writerow(mylist) Edit: this only works with python 2.x. To make it work with python 3.x replace wb with w (see this SO answ...
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How to change the remote a branch is tracking?

The central repository had to be set up on a new server, so I created a new remote on my local repo, and pushed to that. ...