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Constructing pandas DataFrame from values in variables gives “ValueError: If using all scalar values
This may be a simple question, but I can not figure out how to do this. Lets say that I have two variables as follows.
17 A...
Does Python have a ternary conditional operator?
If Python does not have a ternary conditional operator, is it possible to simulate one using other language constructs?
26 ...
Pandas index column title or name
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JeffJeff
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get list from pandas dataframe column
...import pandas as pd
data_dict = {'one': pd.Series([1, 2, 3], index=['a', 'b', 'c']),
'two': pd.Series([1, 2, 3, 4], index=['a', 'b', 'c', 'd'])}
df = pd.DataFrame(data_dict)
print(f"DataFrame:\n{df}\n")
print(f"column types:\n{df.dtypes}")
col_one_list = df['one'].tolist()
col_one_...
(Deep) copying an array using jQuery [duplicate]
I need to copy an (ordered, not associative) array of objects. I'm using jQuery. I initially tried
8 Answers
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How to write inline if statement for print?
I need to print some stuff only when a boolean variable is set to True . So, after looking at this , I tried with a simple example:
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Match multiple cases classes in scala
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Looks like you don't care about the values of the String parameters, and want to treat B and C the same, so:
def matcher(l: Foo): String = {
l match {
case A() => "A"
case B(_) | C(_) => "B"
case _ => "default"
}
}
If you mu...
How to find the sum of an array of numbers
... 4] , how can I find the sum of its elements? (In this case, the sum would be 10 .)
43 Answers
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How to convert an integer to a string in any base?
Python allows easy creation of an integer from a string of a given base via
27 Answers
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How to convert a string to lower case in Bash?
Is there a way in bash to convert a string into a lower case string?
20 Answers
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