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Preserving signatures of decorated functions
...))
return f(*args, **kwargs)
@args_as_ints
def funny_function(x, y, z=3):
"""Computes x*y + 2*z"""
return x*y + 2*z
print funny_function("3", 4.0, z="5")
# 22
help(funny_function)
# Help on function funny_function in module __main__:
#
# funny_function(x, y, z=3)
# Computes x*y + ...
Sort rows in data.table in decreasing order on string key `order(-x,v)` gives error on data.table 1.
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3 Answers
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How to convert floats to human-readable fractions?
Let's say we have 0.33 , we need to output 1/3 .
If we have 0.4 , we need to output 2/5 .
26 Answers
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How to delete an element from an array in C#
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342
If you want to remove all instances of 4 without needing to know the index:
LINQ: (.NET Frame...
Common elements comparison between 2 lists
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13 Answers
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Find the max of two or more columns with pandas
...>>> import pandas as pd
>>> df = pd.DataFrame({"A": [1,2,3], "B": [-2, 8, 1]})
>>> df
A B
0 1 -2
1 2 8
2 3 1
>>> df[["A", "B"]]
A B
0 1 -2
1 2 8
2 3 1
>>> df[["A", "B"]].max(axis=1)
0 1
1 8
2 3
and so:
>>> df["C"] = ...
Maven error: Could not find or load main class org.codehaus.plexus.classworlds.launcher.Launcher
I have installed a latest maven-3.0.4 on Windows 7 :
The installation details are as follows:
Installation Path :
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SQL RANK() versus ROW_NUMBER()
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answered Oct 12 '11 at 22:38
Ritesh MengjiRitesh Mengji
5,03688 gold badges2727 silver badges4646 bronze badges
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Algorithm to return all combinations of k elements from n
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