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Meaning of Android Studio error: Not annotated parameter overrides @NonNull parameter

I'm trying out Android Studio. Upon creating a new project and adding a default onSaveInstanceState method to the create MyActivity class, when I try to commit the code to Git, I get a strange error I don't understand. The code is this: ...
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Random Gaussian Variables

Is there a class in the standard library of .NET that gives me the functionality to create random variables that follow Gaussian distribution? ...
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rotating axis labels in R

In R, how do I make a (bar)plot's y axis labels parallel to the X axis instead of parallel to the Y axis? 5 Answers ...
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How to delete a folder and all contents using a bat file in windows?

I want to delete a folder with all files and subfolders using a bat file. 3 Answers 3...
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How to check if anonymous object has a method?

How can I check if an anonymous object that was created as such: 6 Answers 6 ...
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Suppress properties with null value on ASP.NET Web API

I've created an ASP.Net WEB API Project that will be used by a mobile application. I need the response json to omit null properties instead of return them as property: null . ...
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How does Rails keep track of which migrations have run for a database?

According to Rails doc: http://guides.rubyonrails.org/migrations.html 1 Answer 1 ...
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What is the fastest or most elegant way to compute a set difference using Javascript arrays?

Let A and B be two sets. I'm looking for really fast or elegant ways to compute the set difference ( A - B or A \B , depending on your preference) between them. The two sets are stored and manipulated as Javascript arrays, as the title says. ...
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What Regex would capture everything from ' mark to the end of a line?

I have a text file that denotes remarks with a single ' . 7 Answers 7 ...
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CSS text-overflow in a table cell?

I want to use CSS text-overflow in a table cell, such that if the text is too long to fit on one line, it will clip with an ellipsis instead of wrapping to multiple lines. Is this possible? ...