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How can I define colors as variables in CSS?

...lient could ask for changes to the color scheme, and was wondering: is it possible to assign colors to variables, so that I can just change a variable to have the new color applied to all elements that use it? ...
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Exif manipulation library for python [closed]

... the record: pyexiv2 seems to be the best-maintained of them all, and the most complete (including writing EXIF tags back to the file). – rbp Oct 25 '10 at 22:15 1 ...
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How to 'grep' a continuous stream?

Is that possible to use grep on a continuous stream? 12 Answers 12 ...
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What is the difference between Python and IPython?

...project website: IPython provides a rich toolkit to help you make the most out of using Python, with: Powerful Python shells (terminal and Qt-based). A web-based notebook with the same core features but support for code, text, mathematical expressions, inline plots and other rich media...
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Checking a Python module version at runtime

... answered Sep 23 '16 at 3:18 nosnos 14.8k2121 gold badges7878 silver badges102102 bronze badges ...
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What can be the reasons of connection refused errors?

... There could be many reasons, but the most common are: The port is not open on the destination machine. The port is open on the destination machine, but its backlog of pending connections is full. A firewall between the client and server is blocking access (also...
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How to test an Internet connection with bash?

... on mac os this does not work via copy-paste: "-bash: ip: command not found ping: illegal option -- w" – Benedikt S. Vogler Feb 11 '16 at 13:30 ...
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File input 'accept' attribute - is it useful?

...ndicates that files of the specified type are accepted. A string whose first character is a U+002E FULL STOP character (.) Indicates that files with the specified file extension are accepted. share ...
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What's the difference between .bashrc, .bash_profile, and .environment?

...ifferent algorithm for deciding which startup scripts to run. For the purposes of tasks like setting up environment variables and aliases and printing startup messages (e.g. MOTDs), which startup script is the appropriate place to do these? ...
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pip issue installing almost any library

I have a difficult time using pip to install almost anything. I'm new to coding, so I thought maybe this is something I've been doing wrong and have opted out to easy_install to get most of what I needed done, which has generally worked. However, now I'm trying to download the nltk library, and neit...