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iOS 7 parallax effect in my view controller

...p for iOS 7 in Objective-C. I've got a screen in my app with a few buttons and a pretty background image. (It's a simple xib with UIButtons on top of a UIImageView .) ...
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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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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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Group vs role (Any real difference?)

Can anyone tell me, what's the real difference between group and role? I've been trying to figure this out for some time now and the more information I read, the more I get the sense that this is brought up just to confuse people and there is no real difference. Both can do the other's job. I've alw...
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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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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 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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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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Why do we need the “finally” clause in Python?

...) but it's not a TypeError. Other control flow statements such as continue and break statements. share | improve this answer | follow | ...