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Call apply-like function on each row of dataframe with multiple arguments from each row
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138
You can apply apply to a subset of the original data.
dat <- data.frame(x=c(1,2), y=c(3,4)...
Is AngularJS just for single-page applications (SPAs)?
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answered Mar 5 '13 at 18:28
Ben LeshBen Lesh
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How to split a delimited string into an array in awk?
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Have you tried:
echo "12|23|11" | awk '{split($0,a,"|"); print a[3],a[2],a[1]}'
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How do I verify jQuery AJAX events with Jasmine?
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234
I guess there are two types of tests you can do:
Unit tests that fake the AJAX request (using...
Using @include vs @extend in Sass?
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hlovdal
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answered Aug 2 '13 at 9:17
Andrey Mikhaylov ...
Java 8 Streams: multiple filters vs. complex condition
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HolgerHolger
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Foreign keys in mongo?
...p:"phones"})
> db.foo.find()
{ "_id" : ObjectId("4df6539ae90592692ccc9940"), "group" : "phones" }
{ "_id" : ObjectId("4df6540fe90592692ccc9941"), "group" : "phones" }
>db.foo.find({'_id':ObjectId("4df6539ae90592692ccc9940")})
{ "_id" : ObjectId("4df6539ae90592692ccc9940"), "...
pandas DataFrame: replace nan values with average of columns
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283
You can simply use DataFrame.fillna to fill the nan's directly:
In [27]: df
Out[27]:
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Why is there no xrange function in Python3?
Recently I started using Python3 and it's lack of xrange hurts.
6 Answers
6
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What is the difference between user variables and system variables?
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132
Right-click My Computer and go to Properties->Advanced->Environmental Variables...
What'...