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Setting DEBUG = False causes 500 Error

...UG = False , my site will generate 500 (using wsgi & manage.py runserver), and there is no error info in Apache error log and it will run normally when I change debug to True . ...
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pip issue installing almost any library

... 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 neither is getting the job done. ...
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How do I determine if my python shell is executing in 32bit or 64bit?

...r systems, this slightly more complicated test should work on all Python 2 and 3 releases: $ python-32 -c 'import struct;print( 8 * struct.calcsize("P"))' 32 $ python-64 -c 'import struct;print( 8 * struct.calcsize("P"))' 64 BTW, you might be tempted to use platform.architecture() for this. Unfo...
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Why cast unused return values to void?

... it. This is a way to ensure that where necessary error codes are always handled. I think for C++ this is probably the only place that I prefer to use C-style casts too, since using the full static cast notation just feels like overkill here. Finally, if you're reviewing a coding standard or writ...
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Looking for ALT+LeftArrowKey solution in zsh

...recently switched from bash to zsh, however I miss my Alt + LeftArrowKey and Alt + RightArrowKey to go back and forth a word at a time. ...
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What is the difference between sigaction and signal?

I was about to add an extra signal handler to an app we have here and I noticed that the author had used sigaction() to set up the other signal handlers. I was going to use signal() . To follow convention I should use sigaction() but if I was writing from scratch, which should I choose? ...
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How can I define colors as variables in CSS?

...te long. I know that the client 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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How do you run JavaScript script through the Terminal?

... script - exactly as you do for Python, though the latter ships with the standard distribution. If you have Rhino (or alternative) installed and on your path, then running JS can indeed be as simple as > rhino filename.js It's worth noting though that while JavaScript is simply a language in ...
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Best practice to run Linux service as a different user

... On Debian we use the start-stop-daemon utility, which handles pid-files, changing the user, putting the daemon into background and much more. I'm not familiar with RedHat, but the daemon utility that you are already using (which is defined in /etc/init.d/functions, btw.) is ment...
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How to measure time taken between lines of code in python?

...f you want to measure CPU time, can use time.process_time() for Python 3.3 and above: import time start = time.process_time() # your code here print(time.process_time() - start) First call turns the timer on, and second call tells you how many seconds have elapsed. There is also a function t...