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bash: mkvirtualenv: command not found

... I had the same issue on OS X 10.9.1 with python 2.7.5. No issues with WORKON_HOME for me, but I did have to manually add source "/usr/local/bin/virtualenvwrapper.sh" to ~/.bash_profile (or ~/.bashrc in unix) after I ran pip install virtualenvwrapper ...
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How to loop backwards in python? [duplicate]

...hould really be using xrange instead. So, xrange(10, 0, -1) Note for Python 3 users: There are no separate range and xrange functions in Python 3, there is just range, which follows the design of Python 2's xrange. sh...
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Python circular importing?

...e issue is both rare, and probably a bug in the import implementation. See Python bug 23447, which I submitted a patch for (which alas has been languishing). – Blckknght May 6 '16 at 1:48 ...
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What is a Python equivalent of PHP's var_dump()? [duplicate]

... This was helpful. I am a Python noob but what seemed to help my case was using .__dict__, e.g. pprint(object.__dict__). – Elijah Lynn Nov 15 '17 at 17:08 ...
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How to get week number in Python?

How to find out what week number is current year on June 16th (wk24) with Python? 14 Answers ...
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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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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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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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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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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 ...