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Standardize data columns in R
I have a dataset called spam which contains 58 columns and approximately 3500 rows of data related to spam messages.
15 ...
WARN Could not determine content-length of response body. Set content-length of the response or set
I just upgraded to rails 3.2.2, and now on rails s, page load, I get all these errors in the log:
3 Answers
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Using module 'subprocess' with timeout
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In Python 3.3+:
from subprocess import STDOUT, check_output
output = check_output(cmd, stderr=STDOUT, timeout=seconds)
output is a byte string that contains command's merged stdout, stderr data.
check_output raises CalledProcessE...
Change color of PNG image via CSS?
... the color of a PNG file with filters.
body {
background-color:#03030a;
min-width: 800px;
min-height: 400px
}
img {
width:20%;
float:left;
margin:0;
}
/*Filter styles*/
.saturate { filter: saturate(3); }
.grayscale { filter: grayscale(100%); }
.contrast { ...
How do I compare two hashes?
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163
You can compare hashes directly for equality:
hash1 = {'a' => 1, 'b' => 2}
hash2 = {'a' =...
Difference between `mod` and `rem` in Haskell
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183
They're not the same when the second argument is negative:
2 `mod` (-3) == -1
2 `rem` (-3) =...
How to make good reproducible pandas examples
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341
Note: The ideas here are pretty generic for Stack Overflow, indeed questions.
Disclaimer: Wri...
Generic deep diff between two objects
...hat is different from your proposal is that I don't consider
[1,[{c: 1},2,3],{a:'hey'}]
and
[{a:'hey'},1,[3,{c: 1},2]]
to be same, because I think that arrays are not equal if order of their elements is not same. Of course this can be changed if needed. Also this code can be further enhanced to t...