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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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How to write to a file, using the logging Python module?

How can I use the logging module in Python to write to a file? Every time I try to use it, it just prints out the message. ...
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What optimizations can GHC be expected to perform reliably?

...C has a lot of optimizations that it can perform, but I don't know what they all are, nor how likely they are to be performed and under what circumstances. ...
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Is it possible to have multiple statements in a python lambda expression?

I am a python newbie trying to achieve the following: 17 Answers 17 ...
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How to check if an object is an array?

I'm trying to write a function that either accepts a list of strings, or a single string. If it's a string, then I want to convert it to an array with just the one item so I can loop over it without fear of an error. ...
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MySQL Select Date Equal to Today

I'm trying to run a mysql select statement where it looks at today's date and only returns results that signed up on that current day. I've currently tried the following, but it doesn't seem to work. ...
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What are the differences between NP, NP-Complete and NP-Hard?

... I assume that you are looking for intuitive definitions, since the technical definitions require quite some time to understand. First of all, let's remember a preliminary needed concept to understand those definitions. Decision problem: ...
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Read a variable in bash with a default value

... You can use parameter expansion, e.g. read -p "Enter your name [Richard]: " name name=${name:-Richard} echo $name Including the default value in the prompt between brackets is a fairly common convention What does the :-Richa...
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Can I have onScrollListener for a ScrollView?

I am using a HorizontalScrollView in a layout and I need to identify the user have reached the start and end point of the scroll. ...
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linq where list contains any in list

... Sounds like you want: var movies = _db.Movies.Where(p => p.Genres.Intersect(listOfGenres).Any()); share | improve this answer ...