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Background task, progress dialog, orientation change - is there any 100% working solution?

...ionInstance(), return the AsyncTask, after detaching it from the original, now-going-away activity. Step #5: In onCreate(), if getLastNonConfigurationInstance() is not null, cast it to your AsyncTask class and call your setter to associate your new activity with the task. Step #6: Do not refer to ...
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Unable to Cast from Parent Class to Child Class

...Exception. The child class only has one property of type int. Does anyone know what I need to do? 12 Answers ...
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What is the difference between the 'COPY' and 'ADD' commands in a Dockerfile?

....gz DOES NOT EXTRACT the archive to the filesystem (I double checked right now to be sure and it's confirmed) – Cecile Oct 19 '18 at 15:19 50 ...
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Should Gemfile.lock be included in .gitignore?

...this post, myself included, are "blinded" by the question title. I realize now that my answer only answers a specific use case and not necessarily the right answer to this question. I will work on updating it in the near future. That said, the OP should have not marked my answer as correct if it did...
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Should try…catch go inside or outside a loop?

...on was getting on my nerves! In the case of optimizations, since we can't know which way the performance would be affected, I guess were back to try-it-and-test (as always). – Jeffrey L Whitledge Sep 27 '08 at 18:35 ...
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How to use a dot “.” to access members of dictionary?

... Very simple answer, great! Do you happen to know what I would need to to in order to have tab-completion in IPython work? The class would need to implement __dir__(self), but somehow I cannot get it to work. – andreas-h Feb 19 '16...
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How to change the opacity (alpha, transparency) of an element in a canvas element after it has been

... figured out how to load the image and draw it to the canvas, but I don't know how to change its opacity once it as been drawn. ...
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How do I set environment variables from Java?

...cessBuilders through it before starting them. Also, you probably already know this, but you can start more than one process with the same ProcessBuilder. So if your subprocesses are the same, you don't need to do this setup over and over. ...
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How do I build a graphical user interface in C++? [closed]

...ation) Build it. Congratulations, you've got your first GUI in C++. Now you're ready to read a lot of documentation to create something more complicate than "Hello world" GUI application. share | ...
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C# HttpClient 4.5 multipart/form-data upload

Does anyone know how to use the HttpClient in .Net 4.5 with multipart/form-data upload? 10 Answers ...