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How do I access command line arguments in Python?

...you can use len() to determine it. Based on this, you can design exception/error messages if user didn't pass specific number of parameters. Also if you looking for a better way to handle command line arguments, I would suggest you look at https://docs.python.org/2/howto/argparse.html ...
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What's wrong with using $_REQUEST[]?

...o a superglobal and not its sanitized equivalent is considered a dangerous error. Know where you data should be coming from. Referencing my example from above, it is perfectly reasonable to allow the response format variable to be sent via GET or POST. I also allow the "action" variable to be sent ...
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How to assign the output of a Bash command to a variable? [duplicate]

I have a problem putting the content of pwd command into a shell variable that I'll use later. 5 Answers ...
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How to reshape data from long to wide format

... Great answer. Thank you. For multiple columns, I got "Error in .subset2(x, i, exact = exact)", and could fix this by forcing the use of data.table dcast: see stackoverflow.com/a/44271092/190791 – Timothée HENRY Jul 3 '19 at 7:07 ...
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Is it better to use Enumerable.Empty() as opposed to new List() to initialize an IEnumerable

... Wai Ha Lee 7,4091414 gold badges5050 silver badges7474 bronze badges answered Apr 4 '11 at 21:50 Vadym ChekanVadym Chekan ...
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Creating a singleton in Python

... @PaulKenjora You must have an error in your code. If you define a global variable in a module, when you access it from another module it should have the value. – warvariuc Mar 30 '17 at 19:40 ...
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Change the image source on rollover using jQuery

...(){ });" – Mischa Sep 27 '12 at 4:05 ...
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How to check if two arrays are equal with JavaScript? [duplicate]

...eProperties to attach to Array.prototype, since that would fail with a key error if we passed in an undefined value (that is however a fine design decision if you want to do so). This only answers OPs original question. function arraysEqual(a,b) { /* Array-aware equality checker: ...
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Stop “developer tools access needs to take control of another process for debugging to continue” ale

...ion of XCode, and immediately find yourself having to Google their strange error messages, trying to find out how to continue using XCode. Terrible service. – Mike Gledhill Mar 8 '13 at 8:00 ...
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How can I check if the current date/time is past a set date/time?

...ng to write a script that will check if the current date/time is past the 05/15/2010 at 4PM 4 Answers ...