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Matplotlib scatterplot; colour as a function of a third variable
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How to set iPhone UIView z index?
I want to move one view on top of another, how can I know the z index of the view, and how to move on to top?
9 Answers
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Test if a variable is set in bash when using “set -o nounset”
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#!/bin/bash
set -o nounset
VALUE=${WHATEVER:-}
if [ ! -z ${VALUE} ];
then echo "yo"
fi
echo "whatever"
In this case, VALUE ends up being an empty string if WHATEVER is not set. We're using the {parameter:-word} expansion, which you can look up in man bash under "Parameter Exp...
Read a zipped file as a pandas DataFrame
I'm trying to unzip a csv file and pass it into pandas so I can work on the file.
The code I have tried so far is:
5 Ans...
Paperclip::Errors::MissingRequiredValidatorError with Rails 4
...date filename
validates_attachment_file_name :image, :matches => [/png\Z/, /jpe?g\Z/, /gif\Z/]
Option 3: Do not validate
If for some crazy reason (can be valid but I cannot think of one right now), you do not wish to add any content_type validation and allow people to spoof Content-Types and ...
Detect and exclude outliers in Pandas data frame
...taFrame(np.random.randn(100, 3))
from scipy import stats
df[(np.abs(stats.zscore(df)) < 3).all(axis=1)]
description:
For each column, first it computes the Z-score of each value in the
column, relative to the column mean and standard deviation.
Then is takes the absolute of Z-score because ...
Pad a number with leading zeros in JavaScript [duplicate]
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Not a lot of "slick" going on so far:
function pad(n, width, z) {
z = z || '0';
n = n + '';
return n.length >= width ? n : new Array(width - n.length + 1).join(z) + n;
}
When you initialize an array with a number, it creates an array with the length set to that value so that...
Python: how to print range a-z?
...m'
To do the urls, you could use something like this
[i + j for i, j in zip(list_of_urls, string.ascii_lowercase[:14])]
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Best approach to converting Boolean object to string in java
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How can I calculate the time between 2 Dates in typescript
...those:
var time = new Date().getTime() - new Date("2013-02-20T12:01:04.753Z").getTime();
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