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How to delete all datastore in Google App Engine?
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@svrist But that only applies to the Python app engine. Does anybody know how a shortcut for doing it in Java? (In the meantime, JohnIdol's suggestion works well.)
– mgiuca
Apr 29 '11 at 7:44
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How to list all users in a Linux group?
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Use Python to list groupmembers:
python -c "import grp; print grp.getgrnam('GROUP_NAME')[3]"
See https://docs.python.org/2/library/grp.html
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Match everything except for specified strings
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It's valid Python, too.
– Joe Mornin
Mar 17 '15 at 22:13
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Looping in a spiral
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Here's my solution (in Python):
def spiral(X, Y):
x = y = 0
dx = 0
dy = -1
for i in range(max(X, Y)**2):
if (-X/2 < x <= X/2) and (-Y/2 < y <= Y/2):
print (x, y)
# DO STUFF...
if ...
Django : How can I see a list of urlpatterns?
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Or for python3: set(v[1] for k,v in get_resolver(None).reverse_dict.items())
– Private
Oct 13 '18 at 12:24
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Multiline strings in VB.NET
Is there a way to have multiline strings in VB.NET like Python
21 Answers
21
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How do I read CSV data into a record array in NumPy?
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@hhh try adding encoding="utf8" argument. Python is one of the few modern software pieces that frequently causes text encoding problems, which feel as things from the past.
– kolen
Sep 24 '18 at 22:34
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How can I use redis with Django?
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This Python module for Redis has a clear usage example in the readme: http://github.com/andymccurdy/redis-py
Redis is designed to be a RAM cache. It supports basic GET and SET of keys plus the storing of collections such as dict...
Reference requirements.txt for the install_requires kwarg in setuptools setup.py file
...the other.
References:
install_requires vs Requirements files from the Python packaging user guide.
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Concatenating Files And Insert New Line In Between Files
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In python, this concatenates with blank lines between files (the , suppresses adding an extra trailing blank line):
print '\n'.join(open(f).read() for f in filenames),
Here is the ugly python one-liner that can be called from...