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What does if __name__ == “__main__”: do?

... Whenever the Python interpreter reads a source file, it does two things: it sets a few special variables like __name__, and then it executes all of the code found in the file. Let's see how this works and how it relates to your questi...
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What is the correct way to start a mongod service on linux / OS X?

I've installed mongodb and have been able to run it, work with it, do simple DB read / write type stuff. Now I'm trying to set up my Mac to run mongod as a service. ...
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About Python's built in sort() method

What algorithm is the built in sort() method in Python using? Is it possible to have a look at the code for that method? ...
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What are good uses for Python3's “Function Annotations”

...tions/postconditions. I feel something like this is especially needed in Python because of its weaker typing, but there were really no constructs that made this straightforward and part of the official syntax. There are other uses for annotations beyond assurance. I can see how I could apply my ...
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bs4.FeatureNotFound: Couldn't find a tree builder with the features you requested: lxml. Do you need

The above outputs on my Terminal. I am on Mac OS 10.7.x. I have Python 2.7.1, and followed this tutorial to get Beautiful Soup and lxml, which both installed successfully and work with a separate test file located here . In the Python script that causes this error, I have included this line: ...
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Python: Check if one dictionary is a subset of another larger dictionary

...instead of items() leads to about a 1.2x improvement. This was done using Python 2.7. – Chad Mar 29 '16 at 21:47 35 ...
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How can I check if my python object is a number? [duplicate]

...However, in many cases you shouldn't worry about checking types manually - Python is duck typed and mixing somewhat compatible types usually works, yet it will barf an error message when some operation doesn't make sense (4 - "1"), so manually checking this is rarely really needed. It's just a bonus...
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Python naming conventions for modules

...l N. For more on naming conventions and other style advice, see PEP 8, the Python style guide. share | improve this answer | follow | ...
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How to enumerate an object's properties in Python?

...? in Javascript you could do: object[property] = newValue. How to do it in Python? – Jader Dias Aug 9 '09 at 18:32 39 ...
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e.printStackTrace equivalent in python

... an Exception) prints the occurred exception but, I was trying to find the python equivalent of Java's e.printStackTrace() that exactly traces the exception to what line it occurred and prints the entire trace of it. ...