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Why doesn't Python have a sign function?

...cause they didn't agree on what it should return in all the edge cases (+/-0, +/-nan, etc) So they decided to implement only copysign, which (although more verbose) can be used to delegate to the end user the desired behavior for edge cases - which sometimes might require the call to cmp(x,0). I...
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Text border using css (border around text)

... Use multiple text shadows: text-shadow: 2px 0 0 #fff, -2px 0 0 #fff, 0 2px 0 #fff, 0 -2px 0 #fff, 1px 1px #fff, -1px -1px 0 #fff, 1px -1px 0 #fff, -1px 1px 0 #fff; body { font-family: sans-serif; background: #222; color: darkred; } h1 { text-sha...
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How to avoid reinstalling packages when building Docker image for Python projects?

...ree . ├── Dockerfile ├── requirements.txt └── run.py 0 directories, 3 file # Dockerfile FROM dockerfile/python WORKDIR /srv ADD ./requirements.txt /srv/requirements.txt RUN pip install -r requirements.txt ADD . /srv CMD python /srv/run.py # requirements.txt pytest==2.3.4 # ...
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JS Client-Side Exif Orientation: Rotate and Mirror JPEG Images

...erver or anything. – igneosaur May 20 '16 at 8:28 3 @igneosaur: you can send base64 encoded data ...
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CSS Progress Circle [closed]

... ones I have been able to found show animated circles that go to the full 100%. 4 Answers ...
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Difference between map, applymap and apply methods in Pandas

... 10 Answers 10 Active ...
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How do I convert a numpy array to (and display) an image?

... 240 You could use PIL to create (and display) an image: from PIL import Image import numpy as np w...
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How to change navbar collapse threshold using Twitter bootstrap-responsive?

I'm using Twitter Bootstrap 2.0.1 in a Rails 3.1.2 project, implemented with bootstrap-sass. I'm loading both the bootstrap.css and the bootstrap-responsive.css files, as well as the bootstrap-collapse.js Javascript. ...
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Simple regular expression for a decimal with a precision of 2

... 408 Valid regex tokens vary by implementation. A generic form is: [0-9]+(\.[0-9][0-9]?)? More co...
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How can I convert a Unix timestamp to DateTime and vice versa?

... 1059 Here's what you need: public static DateTime UnixTimeStampToDateTime( double unixTimeStamp ) ...