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How to remove all rows in a numpy.ndarray that contain non-numeric values
Basically, I'm doing some data analysis. I read in a dataset as a numpy.ndarray and some of the values are missing (either by just not being there, being NaN , or by being a string written " NA ").
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Fastest way to remove first char in a String
Say we have the following string
4 Answers
4
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What's the easiest way to install a missing Perl module?
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On Unix:
usually you start cpan in your shell:
# cpan
and type
install Chocolate::Belgian
or in short form:
cpan Chocolate::Belgian
On Windows:
If you're using ActivePerl on Windows, the PPM (Perl Package Manager) has much of the same functionalit...
How to write UPDATE SQL with Table alias in SQL Server 2008?
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The syntax for using an alias in an update statement on SQL Server is as follows:
UPDATE Q
SET Q.TITLE = 'TEST'
FROM HOLD_TABLE Q
WHERE Q.ID = 101;
The alias should not be necessary here though.
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jquery loop on Json data using $.each
I have the following JSON returned in a variable called data.
4 Answers
4
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Run a Docker image as a container
After building a Docker image from a dockerfile , I see the image was built successfully, but what do I do with it? Shouldn't i be able to run it as a container?
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Access to the path is denied
I know this question was asked many times here, but I can't find a solution to my problem.
I'm trying to save image to the folder in .net c# but get this exception:
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Moving UITabBarItem Image down?
Normally on each tab of a UITabBar you have a small image and a title naming the tab. The image is positioned/centred towards the top of the tab to accommodate the title underneath. My question is: if you want to have a tabBar with just an image and no title is there a way to move the image down ...
Getting the current page
In my scroll view, I want to get the current page that's being displayed (maybe page isn't the correct term). I can't find any variable that holds this. But I think it must be held somewhere, since the indicator is able to show which sub-view of the scroll view is currently being displayed.
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Git: add vs push vs commit
...vision with a log... If you do not add any files, git will not commit anything. You can combine both actions with git commit -a
git push pushes your changes to the remote repository.
This figure from this git cheat sheet gives a good idea of the work flow
git add isn't on the figure because the ...