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Appending an element to the end of a list in Scala
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400
List(1,2,3) :+ 4
Results in List[Int] = List(1, 2, 3, 4)
Note that this operation has a com...
Append column to pandas dataframe
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45
Or pd.concat([dat1, dat2], axis=1) in this case.
– DSM
Dec 16 '13 at 3:35
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Return two and more values from a method
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4 Answers
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Efficient way to apply multiple filters to pandas DataFrame or Series
...ite helper functions for this, consider something along these lines:
In [14]: def b(x, col, op, n):
return op(x[col],n)
In [15]: def f(x, *b):
return x[(np.logical_and(*b))]
In [16]: b1 = b(df, 'col1', ge, 1)
In [17]: b2 = b(df, 'col1', le, 1)
In [18]: f(df, b1, b2)
O...
How do I list all versions of a gem available at a remote site?
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4 Answers
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PowerShell script to return versions of .NET Framework on a machine?
... the registry you have to recurse in order to get the full version for the 4.x Framework. The earlier answers both return the root number on my system for .NET 3.0 (where the WCF and WPF numbers, which are nested under 3.0, are higher -- I can't explain that), and fail to return anything for 4.0 ......
What does -1 mean in numpy reshape?
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614
The criterion to satisfy for providing the new shape is that 'The new shape should be compatible...
What are the aspect ratios for all Android phone and tablet devices?
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║ 19.5 x 9 ║ 0.462... ║ 2.167... ║
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Finding the index of elements based on a condition using python list comprehension
... Mike GrahamMike Graham
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