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PyLint “Unable to import” error - how to set PYTHONPATH?

... There are two options I'm aware of. One, change the PYTHONPATH environment variable to include the directory above your module. Alternatively, edit ~/.pylintrc to include the directory above your module, like this: [MASTER] init-hook='import sys; sys.path.append("/path/to/ro...
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HTTP error 403 in Python 3 Web Scraping

...ture which blocks known spider/bot user agents (urllib uses something like python urllib/3.3.0, it's easily detected). Try setting a known browser user agent with: from urllib.request import Request, urlopen req = Request('http://www.cmegroup.com/trading/products/#sortField=oi&sortAsc=false&am...
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Chained method calls indentation style in Python [duplicate]

... Raymond, what's the reason Python doesn't allow new line before and after a dot? This makes good formatting harder not easier... – Piotr Dobrogost Apr 1 '13 at 18:45 ...
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python assert with and without parenthesis

...oo) Prints: AssertionError: "derp should be 8, it is 7 Why does this python assert have to be different from everything else: I think the pythonic ideology is that a program should self-correct without having to worry about the special flag to turn on asserts. The temptation to turn off asse...
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Git: Remove committed file after push

...answered Aug 21 '13 at 12:36 René HöhleRené Höhle 23.6k1313 gold badges6565 silver badges7171 bronze badges ...
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Why is “if not someobj:” better than “if someobj == None:” in Python?

... In the first test, Python try to convert the object to a bool value if it is not already one. Roughly, we are asking the object : are you meaningful or not ? This is done using the following algorithm : If the object has a __nonzero__ special...
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Origin null is not allowed by Access-Control-Allow-Origin

... @CiaranG I ran python -m SimpleHTTPServer from a command line and then went to localhost:8000, worked for me. Python comes preinstalled with Mac OS X; you may need to install if using another OS. – Dave Liepmann ...
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How to call function from another file in go language?

...wered Jan 4 '13 at 10:17 Denys SéguretDenys Séguret 321k6969 gold badges680680 silver badges668668 bronze badges ...
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Handling very large numbers in Python

I've been considering fast poker hand evaluation in Python. It occurred to me that one way to speed the process up would be to represent all the card faces and suits as prime numbers and multiply them together to represent the hands. To whit: ...
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How do I convert a IPython Notebook into a Python file via commandline?

... If you don't want to output a Python script every time you save, or you don't want to restart the IPython kernel: On the command line, you can use nbconvert: $ jupyter nbconvert --to script [YOUR_NOTEBOOK].ipynb As a bit of a hack, you can even call t...