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Android. Fragment getActivity() sometimes returns null
In developer console error reports sometimes I see reports with NPE issue. I do not understand what is wrong with my code. On emulator and my device application works good without forcecloses, however some users get NullPointerException in fragment class when the getActivity() method is called.
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C++ Convert string (or char*) to wstring (or wchar_t*)
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Assuming that the input string in your example (おはよう) is a UTF-8 encoded (which it isn't, by the looks of it, but let's assume it is for the sake of this explanation :-)) representation of a Unicode string of your interes...
What's the difference between INNER JOIN, LEFT JOIN, RIGHT JOIN and FULL JOIN? [duplicate]
...rence between INNER JOIN , LEFT JOIN , RIGHT JOIN and FULL JOIN
in MySQL ?
3 Answers
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The shortest possible output from git log containing author and date
How can I show a git log output with (at least) this information:
13 Answers
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Docker - a way to give access to a host USB or serial device?
Last time I checked, Docker didn't have any means to give container access to host serial or USB port . Is there a trick which allows doing that?
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How do I hide javascript code in a webpage?
Is it possible to hide the Javascript code from the html of a webpage, when the source code is viewed through the browsers View Source feature?
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Is “double hashing” a password less secure than just hashing it once?
Is hashing a password twice before storage any more or less secure than just hashing it once?
16 Answers
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Remove large .pack file created by git
I checked a load of files in to a branch and merged and then had to remove them and now I'm left with a large .pack file that I don't know how to get rid of.
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Cutting the videos based on start and end time using ffmpeg
I tried to cut the video using the start and end time of the video by using the following command
9 Answers
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Getting “type or namespace name could not be found” but everything seems ok?
I'm getting a:
36 Answers
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