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How can I do DNS lookups in Python, including referring to /etc/hosts?
dnspython will do my DNS lookups very nicely, but it entirely ignores the contents of /etc/hosts .
6 Answers
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How to load all modules in a folder?
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List all python (.py) files in the current folder and put them as __all__ variable in __init__.py
from os.path import dirname, basename, isfile, join
import glob
modules = glob.glob(join(dirname(__file__), "*.py"))
__all__ = [ basena...
How to len(generator()) [duplicate]
Python generators are very useful. They have advantages over functions that return lists. However, you could len(list_returning_function()) . Is there a way to len(generator_function()) ?
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How to round a number to significant figures in Python
...234" which is incorrect. More details in this blog post: randlet.com/blog/python-significant-figures-format
– randlet
Oct 29 '13 at 17:49
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Find and kill a process in one line using bash and regex
...ad of grep '[p]ython csp_build.py' you can also use: kill $(ps aux | grep 'python csp_build.py' | grep -v grep | awk '{print $2}'). grep -v returns non-matched lines.
– rgajrawala
Mar 11 '15 at 4:30
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Iterating Over Dictionary Key Values Corresponding to List in Python
Working in Python 2.7. I have a dictionary with team names as the keys and the amount of runs scored and allowed for each team as the value list:
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What does 'super' do in Python?
...super is one thing that allows greater flexibility for users of the code.
Python 2 versus 3
This works in Python 2 and 3:
super(Child, self).__init__()
This only works in Python 3:
super().__init__()
It works with no arguments by moving up in the stack frame and getting the first argument to...
How to convert a string with comma-delimited items to a list in Python?
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The following Python code will turn your string into a list of strings:
import ast
teststr = "['aaa','bbb','ccc']"
testarray = ast.literal_eval(teststr)
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How Do You Clear The IRB Console?
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On Mac OS X or Linux you can use Ctrl + L to clear the IRB screen.
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How to debug a bash script? [closed]
...nces in the startup sequence.
Clarification: On systems such as a typical Linux box, where '/bin/sh' is a symlink to '/bin/bash' (or wherever the Bash executable is found), the two command lines achieve the equivalent effect of running the script with execution trace on. On other systems (for exam...