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Java: Detect duplicates in ArrayList?

... Simplest: dump the whole collection into a Set (using the Set(Collection) constructor or Set.addAll), then see if the Set has the same size as the ArrayList. List<Integer> list = ...; Set<Integer> set = new HashSet<Integer>(list); if(set.size(...
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SVN 405 Method Not Allowed

...ccidentally deleted a folder in SVN and added it back immediately. I ran into an issue with this and my solution ended up removing the folder completely from my local copy as well as the server copy. I can do updates and commits without problems on any other file or folder, but if I try to create a ...
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How can I get sin, cos, and tan to use degrees instead of radians?

When I'm working with math in JS I would like its trig functions to use degree values instead of radian values. How would I do that? ...
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Android 4.2: back stack behaviour with nested fragments

...d getChildFragmentManager() . When using getChildFragmentManager() and addToBackStack(String name), by pressing the back button the system does not run down the back stack to the previous fragment. On the other hand, when using getFragmentManager() and addToBackStack(String name), by pressing th...
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What's the difference between ngModel.$modelValue and ngModel.$viewValue

I have the following ckEditor directive. At the bottom are two variations that I have seen from examples on how to set the data in the editor: ...
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Using the RUN instruction in a Dockerfile with 'source' does not work

I have a Dockerfile that I am putting together to install a vanilla python environment (into which I will be installing an app, but at a later date). ...
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What is the difference between __dirname and ./ in node.js?

...ng in Node.js and referencing files that are located somewhere in relation to your current directory, is there any reason to use the __dirname variable instead of just a regular ./ ? I've been using ./ thus far in my code and just discovered the existence of __dirname , and essentially want to k...
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How do I force a favicon refresh?

I have a Grails application running locally using its own tomcat and I have just changed the favicon for a new one. Problem is that I can not see it in any browser. The old favicon shows up or I get no favicon at all, but not my new one. I do not think this is a Grails issue per se, more an issue...
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How to change facet labels?

... Change the underlying factor level names with something like: # Using the Iris data > i <- iris > levels(i$Species) [1] "setosa" "versicolor" "virginica" > levels(i$Species) <- c("S", "Ve", "Vi") > ggplot(i, aes(Petal.Length))...
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How can one display images side by side in a GitHub README.md?

I'm trying to show a comparison between two photos in my README.md which is why I want to display them side-by-side. Here is how the two images are placed currently. I want to show the two Solarized color schemes side by side instead of top and bottom. Help would be much appreciated, thanks! ...