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Should have subtitle controller already set Mediaplayer error Android

... When the MediaPlayer starts playing a music (or other source), it checks if there is a SubtitleController and shows this message if it's not set. It doesn't seem to care about if the source you want to play is a music or video. Not sure why he did that. Short answer: Don't care about this "Except...
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how to use sed, awk, or gawk to print only what is matched?

...add use -E sed option to trigger modern RE format. Check re_format(7), specifically last paragraph of DESCRIPTION developer.apple.com/library/mac/#documentation/Darwin/Reference/… – anddam Mar 3 '13 at 16:33 ...
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User Authentication in ASP.NET Web API

...cepts: Authentication is the mechanism whereby systems may securely identify their users. Authentication systems provide an answers to the questions: Who is the user? Is the user really who he/she represents himself to be? Authorization is the mechanism by which a system determines what level o...
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Resolve conflicts using remote changes when pulling from Git remote

... If you truly want to discard the commits you've made locally, i.e. never have them in the history again, you're not asking how to pull - pull means merge, and you don't need to merge. All you need do is this: # fetch from th...
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How do you extract a column from a multi-dimensional array?

...ensional arrays. Normal Python lists are single-dimensional too. However, if you have a simple two-dimensional list like this: A = [[1,2,3,4], [5,6,7,8]] then you can extract a column like this: def column(matrix, i): return [row[i] for row in matrix] Extracting the second column (in...
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.gitignore is ignored by Git

... Even if you haven't tracked the files so far, Git seems to be able to "know" about them even after you add them to .gitignore. WARNING: First commit your current changes, or you will lose them. Then run the following commands fr...
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Running Python on Windows for Node.js dependencies

...eanwhile, just using the set command only affects the current cmd session. If you reboot after that, as you say you did, you end up with a whole new cmd session that doesn't have that variable set in it. There are a few ways to set environment variables permanently—the easiest is in the System Co...
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while (1) Vs. for (;;) Is there a speed difference?

... "I try not to define new keywords for my maintenance" — if only more people took that attitude I wouldn’t be clutching at all these inane and magical sleight-of-hand shenanigans every time I turned around! – tchrist Aug 19 '15 at 23:22 ...
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iOS difference between isKindOfClass and isMemberOfClass

What is the difference between the isKindOfClass:(Class)aClass and the isMemberOfClass:(Class)aClass functions? I know it is something small like, one is global while the other is an exact class match but I need someone to specify which is which please. ...
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Best approach to converting Boolean object to string in java

... I don't think there would be any significant performance difference between them, but I would prefer the 1st way. If you have a Boolean reference, Boolean.toString(boolean) will throw NullPointerException if your reference is null. As the reference is unboxed t...