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Further understanding setRetainInstance(true)

...stance(true) on a Fragment ? The documentation is virtually non-existent and this seems like a very important function. Specifically I want to know how much of this sequence (that I made up) is true: ...
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How can you check which options vim was compiled with?

... When I run :version it shows +python/dyn and +python3/dyn. But echo has('python') returns 0. So, why is there a difference and which one should I go with? – Durga Swaroop Mar 25 '16 at 8:48 ...
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Setting the correct encoding when piping stdout in Python

...t of a Python program, the Python interpreter gets confused about encoding and sets it to None. This means a program like this: ...
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How to have Emacs auto-refresh all buffers when files have changed on disk?

I have a non-emacs global search and replace function that causes my disk files to become more up-to-date than my emacs buffers (en masse). Is there any way to tell emacs to refresh all the buffers from disk in one fell swoop, instead of having to do each one individually by reloading the file? ...
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Suppress/ print without b' prefix for bytes in Python 3

... postfix: "", imageUploader: { brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9....
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Create objective-c class instance by name?

...he class exists. For example, in your .h: @property Class NameOfClass; and then in your .m: id object = [[NameOfClass alloc] init]; If you mistyped the class name or if it doesn't exist, you'll get an error at compile time. Also I think this is cleaner code. ...
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Is there a way to automate the android sdk installation?

Now I have to download and install the Android SDK and AVD Manager, and then install the APIs, tools through the UI. Is there a way to automate this process? ...
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How to get a reference to a module inside the module itself?

... One more technique, which doesn't import the sys module, and arguably - depends on your taste - simpler: current_module = __import__(__name__) Be aware there is no import. Python imports each module only once. ...
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ValueError: numpy.dtype has the wrong size, try recompiling

I just installed pandas and statsmodels package on my python 2.7 When I tried "import pandas as pd", this error message comes out. Can anyone help? Thanks!!! ...
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MS-DOS Batch file pause with enter key

Is it possible in MS-DOS batch file to pause the script and wait for user to hit enter key? 5 Answers ...