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Convert pandas dataframe to NumPy array
I am interested in knowing how to convert a pandas dataframe into a NumPy array.
15 Answers
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Using OR in SQLAlchemy
I've looked through the docs and I cant seem to find out how to do an OR query in SQLAlchemy. I just want to do this query.
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Passing arguments to C# generic new() of templated type
...le to be in an invalid state by side effects. I also like to use that Func and lambda, but I know it still is a problem in bussiness world as generally programmers don't know lambdas yet and this makes your class harder to understand.
– Tuomas Hietanen
Dec 8 '0...
How to count the number of true elements in a NumPy bool array
... numpy)? If it is not guaranteed, I will add a check, 'if True==1:' beforehand. About count_nonzero(..), unfortunately, it seems not implemented in my numpy module at version 1.5.1, but I may have a chance to use it in the future.
– norio
Dec 3 '11 at 1:52
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How do you 'redo' changes after 'undo' with Emacs?
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Short version: by undoing the undo. If you undo, and then do a non-editing command such as C-f, then the next undo will undo the undo, resulting in a redo.
Longer version:
You can think of undo as operating on a stack of operations. If you perform some command (even a nav...
C＋＋模板的特化 - C/C++ - 清泛网 - 专注C/C++及内核技术
...stantiation;
notes: the compiler will use f3 as the instantiation for f1, and use f2 as the specialization for f1;
rule: specialization must be before instantiation (*);
Above we have discuss the template function, and then we'll focus on member template function.
acronym: MTF(member templat...
How to view the list of compile errors in IntelliJ?
...liJ, similar to how they are displayed in Eclipse. I tried searching here and Google but have not really found a solution. I really like IntelliJ, I recently converted to it from Eclipse, and I hope this is just something I am missing and not a fundamental deficiency.
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Difference between MVC 5 Project and Web Api Project
I am new to ASP.NET MVC and Web API and trying to get the basics. AFAIK, we have project templates in VS 2013, named as MVC , Web API and Both of them together .
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MIN and MAX in C
Where are MIN and MAX defined in C, if at all?
14 Answers
14
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nginx missing sites-available directory
I installed Nginx on Centos 6 and I am trying to set up virtual hosts. The problem I am having is that I can't seem to find the /etc/nginx/sites-available directory.
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