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How to get a vertical geom_vline to an x-axis of class date?

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How to test multiple variables against a value?

...inverse; testing multiple values against a single variable; x == 1 or 2 or 3 would fail for the same reasons. Use x == 1 or x == 2 or x == 3 or x in {1, 2, 3}. share | improve this answer |...
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“git rm --cached x” vs “git reset head --​ x”?

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Regex match one of two words

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Convert timedelta to total seconds

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What is the correct syntax for 'else if'?

I'm a new Python programmer who is making the leap from 2.6.4 to 3.1.1. Everything has gone fine until I tried to use the 'else if' statement. The interpreter gives me a syntax error after the 'if' in 'else if' for a reason I can't seem to figure out. ...
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How do I get list of methods in a Python class?

... 347 An example (listing the methods of the optparse.OptionParser class): >>> from optpar...
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An algorithm for inflating/deflating (offsetting, buffering) polygons

... Bernhard Barker 49.5k1313 gold badges7777 silver badges118118 bronze badges answered Oct 30 '11 at 19:52 Angus JohnsonAngus...
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Unique constraint that allows empty values in MySQL

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schema builder laravel migrations unique on two columns

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