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Is there a standardized method to swap two variables in Python?

... 401 Python evaluates expressions from left to right. Notice that while evaluating an assignment...
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What is the proper way to test if a parameter is empty in a batch file?

...et or not. I've tried several techniques but they seem to fail whenever %1 is surrounded by quotes such as the case when %1 is "c:\some path with spaces" . ...
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Test for equality among all elements of a single vector

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Strange, unexpected behavior (disappearing/changing values) when using Hash default value, e.g. Hash

... 166 First, note that this behavior applies to any default value that is subsequently mutated (e.g....
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How to extract a floating number from a string [duplicate]

I have a number of strings similar to Current Level: 13.4 db. and I would like to extract just the floating point number. I say floating and not decimal as it's sometimes whole. Can RegEx do this or is there a better way? ...
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Resumable downloads when using PHP to send the file?

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How can I determine whether a 2D Point is within a Polygon?

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How to set HTTP headers (for cache-control)?

...es below. Some information on the Cache-Control header is as follows HTTP 1.1. Allowed values = PUBLIC | PRIVATE | NO-CACHE | NO-STORE. Public - may be cached in public shared caches. Private - may only be cached in private cache. No-Cache - may not be cached. No-Store - may be cached but not archi...
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Rspec: “array.should == another_array” but without concern for order

... answered Jun 5 '10 at 3:08 x1a4x1a4 18.6k44 gold badges3737 silver badges3838 bronze badges ...
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Python division

I was trying to normalize a set of numbers from -100 to 0 to a range of 10-100 and was having problems only to notice that even with no variables at all, this does not evaluate the way I would expect it to: ...