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Multiple commands in gdb separated by some sort of delimiter ';'?
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You can do this using the python integration in gdb.
It would be nice if s ; bt stepped and then printed a backtrace, but it doesn't.
You can accomplish the same thing by calling into the Python interpreter.
python import gdb ; print(gdb.execute("s...
Force line-buffering of stdout when piping to tee
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For python script stdbuf will not work, but you can use -u to disable buffering on python's side: python3 -u a.py | tee output.txt
– Honza
Jan 2 at 13:56
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Django South - table already exists
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Perform these steps in order may help you:
1) python manage.py schemamigration apps.appname --initial
Above step creates migration folder as default.
2) python manage.py migrate apps.appname --fake
generates a fake migration.
3) python manage.py schemamigration apps....
best way to preserve numpy arrays on disk
...storing large numpy arrays. There are two options for dealing with hdf5 in python:
http://www.pytables.org/
http://www.h5py.org/
Both are designed to work with numpy arrays efficiently.
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Pip freeze vs. pip list
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Python 3.2 includes wsgiref.egg-info in the Lib directory, which is why pip knows about it. You can't [un]install it with pip, and later versions of Python omit the metadata file so it won't appear.
– Zo...
Why is “except: pass” a bad programming practice?
... the exception bubble up.
Another simple example is also mentioned in the Python 2 idioms document. Here, a simple typo exists in the code which causes it to break. Because we are catching every exception, we also catch NameErrors and SyntaxErrors. Both are mistakes that happen to us all while prog...
Bash script absolute path with OS X
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A more command-line-friendly variant of the Python solution:
python -c "import os; print(os.path.realpath('$1'))"
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Project structure for Google App Engine
...lt to keep things organized - mainly due to the fact that this is my first python project, and I didn't know anything about it until I started working.
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Use cases for the 'setdefault' dict method
The addition of collections.defaultdict in Python 2.5 greatly reduced the need for dict 's setdefault method. This question is for our collective education:
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Non-alphanumeric list order from os.listdir()
I often use python to process directories of data. Recently, I have noticed that the default order of the lists has changed to something almost nonsensical. For example, if I am in a current directory containing the following subdirectories: run01, run02, ... run19, run20, and then I generate a list...