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How to print last two columns using awk
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awk '{print $(NF-1),"\t",$NF}' file
this assumes that you have at least 2 fields.
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Python data structure sort list alphabetically
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241
[] denotes a list, () denotes a tuple and {} denotes a dictionary. You should take a look at t...
How do I check which version of NumPy I'm using?
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392
import numpy
numpy.version.version
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Apply pandas function to column to create multiple new columns?
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Building off of user1827356 's answer, you can do the assignment in one pass using df.merge:
df.merge(df.textcol.apply(lambda s: pd.Series({'feature1':s+1, 'feature2':s-1})),
left_index=True, right_index=True)
textcol feature1 feature...
Jackson serialization: ignore empty values (or null)
I'm currently using jackson 2.1.4 and I'm having some trouble ignoring fields when I'm converting an object to a JSON string.
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What are the main disadvantages of Java Server Faces 2.0?
Yesterday I saw a presentation on Java Server Faces 2.0 which looked truly impressive, even though I am currently a happy ASP.NET MVC / jQuery developer. What I liked most about JSF was the huge amount of AJAX-Enabled UI components which seem to make development much faster than with ASP.NET MVC, es...
Check if at least two out of three booleans are true
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.NET 4.0 has a new GAC, why?
...s the new GAC . Does it mean now we have to manage two GACs, one for .NET 2.0-3.5 applications and the other for .NET 4.0 applications?
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Is there a better way to iterate over two lists, getting one element from each list for each iterati
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This is as pythonic as you can get:
for lat, long in zip(Latitudes, Longitudes):
print la...
Iterating over Java collections in Scala
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There is a wrapper class (scala.collection.jcl.MutableIterator.Wrapper). So if you define
imp...