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How to access pandas groupby dataframe by key

... 198 You can use the get_group method: In [21]: gb.get_group('foo') Out[21]: A B C...
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Running two projects at once in Visual Studio

I created a solution in Visual C# 2010 Express that contains two projects: one is the client, the other is the server. I would like to debug both at the same time, but I can only seem to run one of the projects during debugging. ...
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Angularjs if-then-else construction in expression

... 219 Angular expressions do not support the ternary operator before 1.1.5, but it can be emulated li...
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How do I check if a string is valid JSON in Python?

... | edited Aug 18 '17 at 17:01 Neil 19.3k1313 gold badges4646 silver badges6565 bronze badges ...
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How do I tell matplotlib that I am done with a plot?

... 125 You can use figure to create a new plot, for example, or use close after the first plot. ...
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Struct inheritance in C++

... answered Jun 11 '09 at 3:44 Alex MartelliAlex Martelli 724k148148 gold badges11261126 silver badges13241324 bronze badges ...
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Java regular expression OR operator

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Swift - Convert to absolute value

... 417 The standard abs() function works great here: let c = -8 print(abs(c)) // 8 ...
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Find column whose name contains a specific string

...list of column names that match: import pandas as pd data = {'spike-2': [1,2,3], 'hey spke': [4,5,6], 'spiked-in': [7,8,9], 'no': [10,11,12]} df = pd.DataFrame(data) spike_cols = [col for col in df.columns if 'spike' in col] print(list(df.columns)) print(spike_cols) Output: ['hey spke', 'no', ...
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How can I pass selected row to commandLink inside dataTable or ui:repeat?

... 215 As to the cause, the <f:attribute> is specific to the component itself (populated during ...