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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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How can I find where Python is installed on Windows?

I want to find out my Python installation path on Windows. For example: 19 Answers 19 ...
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How can I programmatically check whether a keyboard is present in iOS app?

... responder. I have a view controller with multiple child view controllers, all of which contain UITextFields. Using this method, i cannot tell from my parent view controller whether the keyboard is shown. The only reliable way is to use the notification method explained in the other answers ...
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Toggle button using two image on different state

...android:background="@null" and android:drawableRight="@drawable/check". Usually I've found toggle buttons are right-justified. If you need it left-justified, use android:drawableLeft – Patrick Jun 1 '15 at 10:39 ...
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Forward declaring an enum in C++

...can't know the storage required for the enum variable. C++ Compiler's are allowed to specify the actual storage space based on the size necessary to contain all the values specified. If all that is visible is the forward declaration, the translation unit can't know what storage size will have been...
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Strip spaces/tabs/newlines - python

I am trying to remove all spaces/tabs/newlines in python 2.7 on Linux. 7 Answers 7 ...
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Capturing URL parameters in request.GET

...ll find the request method (in this case "GET", and for submitted forms usually "POST") in request.method. In some cases it's useful to check that it matches what you're expecting. Update: When deciding whether to use the URL path or the query parameters for passing information, the following may h...
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Changing the cursor in WPF sometimes works, sometimes doesn't

...deCursor: Mouse.OverrideCursor = Cursors.Wait; try { // do stuff } finally { Mouse.OverrideCursor = null; } This overrides the cursor for your application rather than just for a part of its UI, so the problem you're describing goes away. ...
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_=> what does this underscore mean in Lambda expressions?

...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
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How do you share code between projects/solutions in Visual Studio?

...sulting in multiple assemblies: however, when coupled with ILMerge - especially with the internalize option - it becomes a very powerful solution. – user2246674 Jun 28 '13 at 5:27 ...