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python pandas remove duplicate columns

...he given example, the returned value would be [False,False,True]. Pandas allows one to index using boolean values whereby it selects only the True values. Since we want to keep the unduplicated columns, we need the above boolean array to be flipped (ie [True, True, False] = ~[False,False,True]) F...
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Set “Homepage” in Asp.Net MVC

...VC 3 and earlier. See my answer below for the recommended MVC 4 and later approach. – JTW Jul 3 '16 at 16:29  |  show 1 more comment ...
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How would I run an async Task method synchronously?

I'm learning about async/await, and ran into a situation where I need to call an async method synchronously. How can I do that? ...
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How can I parse a YAML file from a Linux shell script?

...:// (for URLs) s/$/"/g appends " to the end of each line s/ *=/=/g removes all spaces before = share | improve this answer | follow | ...
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How to delete an SMS from the inbox in Android programmatically?

... onReceive() method, before performing anything with your message, simply call abortBroadcast(); EDIT: As of KitKat, this doesn't work anymore apparently. EDIT2: More info on how to do it on KitKat here: Delete SMS from android on 4.4.4 (Affected rows = 0(Zero), after deleted) ...
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How to avoid 'cannot read property of undefined' errors?

... Catching all exceptions without re-throwing is bad, and generally using exceptions as part of the expected flow of execution is also not great -- even though in this case it's pretty well contained. – hugo ...
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How to make the 'cut' command treat same sequental delimiters as one?

... characters to tab. For example: I came here looking for a way to automatically export my display: who am i | tr -s ' ()' '\t' | cut -f5 – Leo Mar 28 '16 at 23:24 ...
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Xcode: issue “file xxx.png is missing from working copy” at project building

...ot remove the errors. So then I did Xcode > Source Control > Discard ALL Changes, and it cleaned up all the errors for me. – EdwardM Jan 24 '17 at 18:29 ...
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Difference between Mock / Stub / Spy in Spock test framework

... replacing a real one, returning something like null or 0 for each method call. You use a mock if you need a dummy instance of a complex class which would otherwise use external resources like network connections, files or databases or maybe use dozens of other objects. The advantage of mocks is tha...
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Display back button on action bar

...TY" android:value="MainActivity" /> Edit: If you are not using AppCompat Activity then do not use support word, you can use getActionBar().setDisplayHomeAsUpEnabled(true); // In `OnCreate();` // And override this method @Override public boolean onNavigateUp() { finish(); re...