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Reading a delimited string into an array in Bash
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339
In order to convert a string into an array, please use
arr=($line)
or
read -a arr <<...
Equal sized table cells to fill the entire width of the containing table
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Creating a new column based on if-elif-else condition
...df['C'] = df.apply(f, axis=1)
In [2]: df
Out[2]:
A B C
a 2 2 0
b 3 1 1
c 1 3 -1
Of course, this is not vectorized so performance may not be as good when scaled to a large number of records. Still, I think it is much more readable. Especially coming from a SAS background.
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NameError: name 'reduce' is not defined in Python
I'm using Python 3.2. Tried this:
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Move an item inside a list?
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answered Jul 3 '10 at 23:15
David ZDavid Z
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Why does direction of index matter in MongoDB?
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Is there a foreach in MATLAB? If so, how does it behave if the underlying data changes?
...in other languages. This means that the following code always prints 1, 2, 3, 4, 5 regardless of the value of B.
A = 1:5;
for i = A
A = B;
disp(i);
end
If you want to be able to respond to changes in the data structure during iterations, a WHILE loop may be more appropriate --- you'll be...
How to get a substring of text?
I have text with length ~700. How do I get only ~30 of its first characters?
5 Answers
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Hex representation of a color with alpha channel?
Is there a W3 or any other noteworthy standard on how to represent a color (including alpha channel) in hex format?
5 Answe...