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To find whether a column exists in data frame or not
I have a data.frame with the name "abcframe"
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Shuffle two list at once with same order
I'm using the nltk library's movie_reviews corpus which contains a large number of documents. My task is get predictive performance of these reviews with pre-processing of the data and without pre-processing. But there is problem, in lists documents and documents2 I have the same documents ...
Spring: Why do we autowire the interface and not the implemented class?
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How can I add an ampersand for a value in a ASP.net/C# app config file value
I've got a C# program with values in a config file. What I want is to store ampersands for an url value like...
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When should i use npm with “-g” flag and why?
I've started using npm for js package management recently. Although I do have a fair understanding of package management in different enivronments(lets say using apt, rvm/gem, pythonbrew/virtualenv/pip), I don't quite understand how npm fully fits in.
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Visual Studio 2010 - C++ project - remove *.sdf file
I would like to know if I can safely delete the sdf file that stores information for Visual Studios Intellisense - is it going to be rebuilt the next time that I open the solution?
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How do I clone a github project to run locally?
I am trying to follow this railscast tutorial for authlogic - and it points to the source here -
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Use git “log” command in another folder
I have some php files in a Folder A (which is a git project). In these php file I want to execute "git log" but for the folder B. Folder B is another git project (so log is different between A and B).
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C++: variable 'std::ifstream ifs' has initializer but incomplete type
Sorry if this is pretty noobish, but I'm pretty new to C++. I'm trying to open a file and read it using ifstream :
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Why do you have to call .items() when iterating over a dictionary in Python?
Why do you have to call items() to iterate over key, value pairs in a dictionary? ie.
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