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python NameError: global name '__file__' is not defined
When I run this code in python 2.7, I get this error:
12 Answers
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Pythonic way to combine FOR loop and IF statement
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I really miss in python being able to say for x in xyz if x:
– bgusach
Sep 10 '14 at 8:06
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What is the best project structure for a Python application? [closed]
...ou want to develop a non-trivial end-user desktop (not web) application in Python. What is the best way to structure the project's folder hierarchy?
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How can I update NodeJS and NPM to the next versions?
...inal answer is from the old FAQ that no longer exists, but should work for Linux and Mac:
How do I update npm?
npm install -g npm
Please note that this command will remove your current version of npm. Make sure to use sudo npm install -g npm if on a Mac.
You can also update all outda...
ImportError: no module named win32api
I am using Python 2.7 and I want to use pywin32-214 on Windows 7 . I installed pywin32-214 by using the msi installer. But when I import win32api in my Python script, it throws the error:
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Python setup.py develop vs install
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python setup.py install is used to install (typically third party) packages that you're not going to develop/modify/debug yourself.
For your own stuff, you want to first install your package and then be able to frequently ed...
What's the opposite of 'make install', i.e. how do you uninstall a library in Linux?
...orts creating other types of package, e.g. RPM.
See also http://community.linuxmint.com/tutorial/view/162 and some basic checkinstall usage and debian checkinstall package.
*: If you're reading this after having installed with make install you can still follow the above instructions and do a dpk...
CSV in Python adding an extra carriage return, on Windows
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Python 3:
As described by YiboYang, set newline=''
with open('output.csv', 'w', newline='') as f:
writer = csv.writer(f)
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As noted in the comments by CoDEmanX, set newline='\n'
with open('output.csv', 'w',...
How to delete a character from a string using Python
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In Python, strings are immutable, so you have to create a new string. You have a few options of how to create the new string. If you want to remove the 'M' wherever it appears:
newstr = oldstr.replace("M", "")
If you want t...
hexadecimal string to byte array in python
...thing like
>>> hex_string = "deadbeef"
Convert it to a string (Python ≤ 2.7):
>>> hex_data = hex_string.decode("hex")
>>> hex_data
"\xde\xad\xbe\xef"
or since Python 2.7 and Python 3.0:
>>> bytes.fromhex(hex_string) # Python ≥ 3
b'\xde\xad\xbe\xef'
&g...