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Combine two columns of text in pandas dataframe
I have a 20 x 4000 dataframe in Python using pandas. Two of these columns are named Year and quarter . I'd like to create a variable called period that makes Year = 2000 and quarter= q2 into 2000q2 .
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How to refresh app upon shaking the device?
I need to add a shake feature that will refresh my Android application.
16 Answers
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Maven check for updated dependencies in repository
Is there a Maven plugin that allows you to check if there are newer versions of dependencies available in the repository?
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binning data in python with scipy/numpy
is there a more efficient way to take an average of an array in prespecified bins? for example, i have an array of numbers and an array corresponding to bin start and end positions in that array, and I want to just take the mean in those bins? I have code that does it below but i am wondering how it...
How do I scale a stubborn SVG embedded with the tag?
I have some SVG files that specifies width and height as well as viewbox like this:
9 Answers
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Math.random() versus Random.nextInt(int)
What is the difference between Math.random() * n and Random.nextInt(n) where n is an integer?
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Static function variables in Swift
I'm trying to figure out how to declare a static variable scoped only locally to a function in Swift.
4 Answers
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Transparent ARGB hex value
The colors in this table is all not transparent. I guess the value for the A is set to FF .
5 Answers
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Why does range(start, end) not include end?
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9 Answers
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PHP cURL HTTP CODE return 0
I dont understand when I echo $httpCode I always get 0, I was expecting 404 when I change $html_brand into a broken url. Is there anything that I miss or do not know of? Thanks.
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