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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'] args = dict(zip(arg_names,...
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Do AJAX requests retain PHP Session info?

If I had a user logged onto my site, having his id stored in $_SESSION , and from his browser he clicked a 'Save' button which would make an AJAX request to the server. Will his $_SESSION and cookies be retained in this request, and can I safely rely on the id being present in the $_SESSION ? ...
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Why are variables “i” and “j” used for counters?

I know this might seem like an absolutely silly question to ask, yet I am too curious not to ask... 23 Answers ...
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How can I check if character in a string is a letter? (Python)

I know about islower and isupper , but can you check whether or not that character is a letter? For Example: 6 Answers ...
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How to detect Safari, Chrome, IE, Firefox and Opera browser?

...wser reliable detection often results in checking the User agent string. This method is not reliable, because it's trivial to spoof this value. I've written a method to detect browsers by duck-typing. Only use the browser detection method if it's truly necessary, such as showing browser-specific ins...
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How to ignore xargs commands if stdin input is empty?

Consider this command: 6 Answers 6 ...
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Create Windows service from executable

Is there any quick way to, given an executable file, create a Windows service that, when started, launches it? 8 Answers ...
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How to fallback to local stylesheet (not script) if CDN fails

...local version of the stylesheet if the CDN fails. For scripts the solution is well known: 11 Answers ...
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Joda-Time: what's the difference between Period, Interval and Duration?

In Joda-Time 2, what is the difference between the three kinds of time spans: 2 Answers ...
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Are inline virtual functions really a non-sense?

I got this question when I received a code review comment saying virtual functions need not be inline. 13 Answers ...