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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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Does python have a sorted list?

... The standard Python list is not sorted in any form. The standard heapq module can be used to append in O(log n) to an existing list and remove the smallest one in O(log n), but isn't a sorted list in your definition. There are various im...
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Python setup.py develop vs install

... python setup.py install is used to install (typically third party) packages that you're not going to develop/modify/debug yourself. For your own stuff, you want to first install your package and then be able to frequently ed...
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Pythonic way to print list items

I would like to know if there is a better way to print all objects in a Python list than this : 11 Answers ...
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Is it possible to install another version of Python to Virtualenv?

I have a shared account in a web-hosting that has Python 2.4 installed, but my code is not compatible with 2.4. Is it possible to install Python 2.6 directly to Virtualenv? ...
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Getting Python error “from: can't read /var/mail/Bio”

I am running a (bio)python script which results in the following error: 6 Answers 6 ...
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400 vs 422 response to POST of data

..., it goes on to say: For example, this error condition may occur if an XML request body contains well-formed (i.e., syntactically correct), but semantically erroneous, XML instructions. (Replace "XML" with "JSON" and I think we can agree that's your situation) Now, some will object ...
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CardView layout_width=“match_parent” does not match parent RecyclerView width

... The docs for inflate: Inflate a new view hierarchy from the specified xml resource. Throws InflateException if there is an error. Parameters resource ID for an XML layout resource to load (e.g., R.layout.main_page) root view to be the parent of the generated hierarchy (if attach...
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Dictionary vs Object - which is more efficient and why?

What is more efficient in Python in terms of memory usage and CPU consumption - Dictionary or Object? 8 Answers ...
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Python string class like StringBuilder in C#?

Is there some string class in Python like StringBuilder in C#? 8 Answers 8 ...