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Questions - empty-list

I am writing a ALFA policy for a case where I need to assign a value as empty string in my code. How to define empty string array

I am writing a alfa policy with the below condition where documentpackage status is a set of array values which will be empty in this policy. As of now to make it pass I have tried giving empty space ...
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Madhuri

arrays

string

xacml

empty-list

alfa

Votes: 0

Answers: 1

Latest Answer

You can use the stringBagSize function to check how many values are in an attribute. If it is empty then the size will be zero: stringBagSize(action.newobject.DocumentPackageStatus) == 0  Note that ...
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Mark Berg

IndexError: list index out of range due to empty list within list

I have a list of a group of lists inside and I'm trying to create a dictionary by assigning each element in a group as a value to a key. However, one of these groups is just an empty list. I tried to ...
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peru_45

python

list

filter

empty-list

Votes: 0

Answers: 1

Latest Answer

You can't mutate a list as you iterate it safely. But you can just skip the element and move to the next; you were quite close really: for g in my_list: if g == [' ']: # I might suggest instead d...
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ShadowRanger

Unwanted empty dataframe using pandas in python

I am trying to learn python now for 2 full weeks. I am encountering a problem witch I can not solve. It's seems very easy to do when I see examples on the internet. Despite that I can't get it done. I...
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SimonDL

python

pandas

dataframe

empty-list

Votes: 0

Answers: 1

Latest Answer

My guess is that it is because the column STN are integers. Check the data types by. print(wind.dtypes) if it is integers then remove the string note on 277. wind_277 = wind[wind['STN'] == 277] But m...
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Shane S

Running sum until a negative number

Please how can I use the index 0 in a for-loop when testing an empty array for a drumming sum. Also, the single negative value returns zero The sum should stop when a negative number is encountered ...
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Tobe Christopher

javascript

arrays

function

sum

empty-list

Votes: 0

Answers: 1

Latest Answer

For an empty array the for loop would not be executed and it will return 0. You can remove the if condition to check length of array inside for loop.
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Vishal

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