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UnicodeDecodeError: 'ascii' codec can't decode byte 0xd1 in position 2: ordinal not in range(128)
...
Just add this lines to your codes :
import sys
reload(sys)
sys.setdefaultencoding('utf-8')
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Extract traceback info from an exception object
...Python 2 solution is much uglier: you are provided with an ad-hoc function,sys.exc_info(), which only works inside the except clause. It returns a tuple containing the exception, the exception type, and the traceback for whatever exception is currently being handled.
So if you are inside the excep...
How to import a Python class that is in a directory above?
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up1 = os.path.abspath('..') sys.path.insert(0, up1)
– rp.
May 15 '16 at 17:18
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Flattening a shallow list in Python [duplicate]
...ls
>>> chain = itertools.chain(*list_of_menuitems)
>>> print(list(chain))
['image00', 'image01', 'image10']
It will work on anything that's iterable, which should include Django's iterable QuerySets, which it appears that you're using in the question.
Edit: This is probably as g...
How much faster is Redis than mongoDB?
....time()
test(data)
elapsed = time.time() - start
print "Completed %s: %d ops in %.2f seconds : %.1f ops/sec" % (test.__name__, num, elapsed, num / elapsed)
if __name__ == '__main__':
num = 1000 if len(sys.argv) == 1 else int(sys.argv[1])
tests = [mongo_set, mongo_get...
Execution of Python code with -m option or not
...new module object is created to hold the global namespace and is stored in sys.modules['__main__']. This is what the __name__ variable refers to, it is a key in that structure.
For packages, you can create a __main__.py module inside and have that run when running python -m package_name; in fact tha...
Cluster analysis in R: determine the optimal number of clusters
...rflow.com/q/2018178/1075993. I guess that other graphical methods could be converted to analytical as well.
– Andrey Sapegin
Mar 25 '15 at 9:45
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How do I drop a function if it already exists?
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IF EXISTS (
SELECT * FROM sysobjects WHERE id = object_id(N'function_name')
AND xtype IN (N'FN', N'IF', N'TF')
)
DROP FUNCTION function_name
GO
If you want to avoid the sys* tables, you could instead do (from here in example A):
IF object_...
Is it possible for a unit test to assert that a method calls sys.exit()
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Yes. sys.exit raises SystemExit, so you can check it with assertRaises:
with self.assertRaises(SystemExit):
your_method()
Instances of SystemExit have an attribute code which is set to the proposed exit status, and the cont...
手握利器，直面“蓝脸”! ——使用WinDbg抗击系统崩溃 - 操作系统(内核) - ...
...时所显示的蓝色屏幕”。而我们平常所说的“系统崩溃(system crash)”或者“内核错误(kernel error)”抑或“停止错误(Stop error)”的专业术语为“程序错误检查(Bug Check)”。
二、为什么一定要给您“蓝脸”？
一旦遇上系统蓝屏...