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How to group dataframe rows into list in pandas groupby?

...b, dtype: object In [3]: df1 = df.groupby('a')['b'].apply(list).reset_index(name='new') df1 Out[3]: a new 0 A [1, 2] 1 B [5, 5, 4] 2 C [6] share | improve this an...
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Color different parts of a RichTextBox string

...ome trouble with this. I used in another place box.Text += mystring and so all the colors disappeared. When I replaced this with box.AppendText(mystring), it worked like a charme. – Natrium Apr 13 '12 at 11:38 ...
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Gridview height gets cut

...drawn or you will get height = 0. gridView.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() { @Override public void onGlobalLayout() { if (!gridViewResized) { gridViewResized = true; ...
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List all of the possible goals in Maven 2?

...d of the following phases: validate: validate the project is correct and all necessary information is available. compile: compile the source code of the project. test: test the compiled source code using a suitable unit testing framework. These tests should not require the code be packaged or depl...
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What size should TabBar images be?

... 30x30 is points, which means 30px @1x, 60px @2x, not somewhere in-between. Also, it's not a great idea to embed the title of the tab into the image—you're going to have pretty poor accessibility and localization results like ...
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How to get row from R data.frame

... x[r,] where r is the row you're interested in. Try this, for example: #Add your data x <- structure(list(A = c(5, 3.5, 3.25, 4.25, 1.5 ), B = c(4.25, 4, 4, 4.5, 4.5 ), ...
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WordPress asking for my FTP credentials to install plugins

I installed a WordPress blog in my local system. But when I try to add plugins from admin it asks for FTP access. What do I need to configure for WordPress to be able to upload without FTP? ...
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How do I write LINQ's .Skip(1000).Take(100) in pure SQL?

... But this will first select all and then from that selection take only 10 right? Or will the first query/view have only 10 already? – Tadej Jan 29 '18 at 13:53 ...
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How to get the index of a maximum element in a numpy array along one axis

...eading. It calculates the index of the maximum element of the array across all axis, not along a given axis as the OP asks: it is wrong. Moreover, if there is more than one maximum, it retrieves the indices of only the first maximum: this should be pointed out. Try with a = np.array([[1,4,3],[4,3,1]...
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How can I call a custom Django manage.py command directly from a test driver?

...ts. But if you by some reason cannot decouple logic form command you can call it from any code using call_command method like this: from django.core.management import call_command call_command('my_command', 'foo', bar='baz') ...