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Checking if sys.argv[x] is defined

... In the end, the difference between try, except and testing len(sys.argv) isn't all that significant. They're both a bit hackish compared to argparse. This occurs to me, though -- as a sort of low-budget argparse: arg_names = ['command', 'x', 'y', 'operation', 'option'] ...
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Django filter versus get for single object?

...lly implemented in Django, so there should be no "performance" difference (and the fact that you're thinking about it indicates you're violating one of the cardinal rules of programming, namely trying to optimize code before it's even been written and profiled -- until you have the code and can run ...
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Recommended Fonts for Programming? [closed]

What fonts do you use for programming, and for what language/IDE? I use Consolas for all my Visual Studio work, any other recommendations? ...
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Difference between getDefaultSharedPreferences and getSharedPreferences

What is the difference between getDefaultSharedPreferences and getSharedPreferences in Android? Can anyone please explain? ...
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How do I simulate a low bandwidth, high latency environment?

I need to simulate a low bandwidth, high latency connection to a server in order to emulate the conditions of a VPN at a remote site. The bandwidth and latency should be tweakable so I can discover the best combination in order to run our software package. ...
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Deleting all pending tasks in celery / rabbitmq

...ango, for celery 3.0+: manage.py celery purge (celeryctl is now deprecated and will be gone in 3.1). – Henrik Heimbuerger Apr 19 '13 at 14:26 3 ...
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How to create a new java.io.File in memory?

...tion then, is “it’s not possible”. This answer tries to be pragmatic and tell what the user could do instead. Andreas’ answer is clearly more thorough and a better (attempt at an) answer. – haraldK Jan 17 at 12:11 ...
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Android Archive Library (aar) vs standard jar

I've been reading some articles about the new adoption of Gradle as the standard build system for Android apps. Well, coming from standard Java development I usually depend on jar files in order to build my project. However it seems that Android has also aar packages, which are the equivalent to...
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What components are MVC in JSF MVC framework?

In JSF MVC framework who is Model, View, and Controller? 4 Answers 4 ...
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Ajax, back button and DOM updates

If javascript modifies DOM in page A, user navigates to page B and then hits back button to get back to the page A. All modifications to DOM of page A are lost and user is presented with version that was originally retrieved from the server. ...