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How do I get the path and name of the file that is currently executing?
...spect.stack()[0][1])) # C:\filepaths\lib
Here's to these being added to sys as functions! Credit to @Usagi and @pablog
Based on the following three files, and running main.py from its folder with python main.py (also tried execfiles with absolute paths and calling from a separate folder).
C:\f...
Associative arrays in Shell scripts
...without writing a script, that has these properties. Stumped? It's the filesystem.
Really, all you need to have an associative array in shell programming is a temp directory. mktemp -d is your associative array constructor:
prefix=$(basename -- "$0")
map=$(mktemp -dt ${prefix})
echo >${map}/key...
Is it possible to specify your own distance function using scikit-learn K-Means Clustering?
... -- local mod cdist for 0 < p < 1 too
verbose: 0 silent, 2 prints running distances
out:
centres, k x dim
Xtocentre: each X -> its nearest centre, ints N -> k
distances, N
see also: kmeanssample below, class Kmeans below.
"""
if not isspars...
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?
...
up1 = os.path.abspath('..') sys.path.insert(0, up1)
– rp.
May 15 '16 at 17:18
...
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...
How do I drop a function if it already exists?
...
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_...
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...