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Calling a function of a module by using its name (a string)
...o go about calling a function given a string with the function's name in a Python program. For example, let's say that I have a module foo , and I have a string whose content is "bar" . What is the best way to call foo.bar() ?
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How to join components of a path when you are constructing a URL in Python
...th a slash which signifies that it already begins at the website root.
On Python 2, you have to do
from urlparse import urljoin
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Wget output document and headers to STDOUT
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the -S option wasn't supported on my alpine linux container. I omitted it and all was good
– Christian Bongiorno
Jan 31 '17 at 17:37
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Determining Whether a Directory is Writeable
What would be the best way in Python to determine whether a directory is writeable for the user executing the script? Since this will likely involve using the os module I should mention I'm running it under a *nix environment.
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Scripting Language vs Programming Language [closed]
...ed and/or recompiled at runtime)
Pascal
...and then you have things like Python that sit in both camps: Python is widely used without a compilation step, but the main implementation (CPython) does that by compiling to bytecode on-the-fly and then running the bytecode in a VM, and it can write that...
What is the best way to exit a function (which has no return value) in python before the function en
...ng a return statement. Returning nothing is the same as returning None in Python.
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Serializing class instance to JSON
...t of object types by default, all built-in types. List here: https://docs.python.org/3.3/library/json.html#encoders-and-decoders
One good solution would be to make your class inherit from JSONEncoder and then implement the JSONEncoder.default() function, and make that function emit the correct JSO...
Python Mocking a function from an imported module
...new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f16134281%2fpython-mocking-a-function-from-an-imported-module%23new-answer', 'question_page');
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How to convert an int to a hex string?
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Try:
"0x%x" % 255 # => 0xff
or
"0x%X" % 255 # => 0xFF
Python Documentation says: "keep this under Your pillow: http://docs.python.org/library/index.html"
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How can I find the first occurrence of a sub-string in a python string?
...s.rindex(t) #returns: Same as index, but searches right to left
Source: Python: Visual QuickStart Guide, Toby Donaldson
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