大约有 9,800 项符合查询结果（耗时：0.0138秒） [XML]
What is the most efficient way to store a list in the Django models?
...e:
import simplejson as json # this would be just 'import json' in Python 2.7 and later
...
...
myModel = MyModel()
listIWantToStore = [1,2,3,4,5,'hello']
myModel.myList = json.dumps(listIWantToStore)
myModel.save()
Retrieving the list from the database:
jsonDec = json.decoder.JSONDecoder()
myP...
How to assert output with nosetest/unittest in python?
...
Since version 2.7, you do not need anymore to reassign sys.stdout, this is provided through buffer flag. Moreover, it is the default behavior of nosetest.
Here is a sample failing in non buffered context:
import sys
import unittest
def ...
Python mock multiple return values
... Assigning a list appears to work with python 3 only. Testing with python 2.7 I need to use an iterator instead (m.side_effect = iter(['foo', 'bar', 'baz'])).
– user686249
Aug 12 '15 at 12:54
...
How can I see the current value of my $PATH variable on OS X?
...r:
/usr/local/share/npm/bin
/Library/Frameworks/Python.framework/Versions/2.7/bin
/usr/local/bin
/usr/local/sbin
~/bin
/Library/Frameworks/Python.framework/Versions/Current/bin
/usr/bin
/bin
/usr/sbin
/sbin
/usr/local/bin
/opt/X11/bin
/usr/local/git/bin
To me this list appears to be complete.
...
Numpy: find first index of value fast
...ate(vec):; if v == item: return i. (This is not a good idea in Python <=2.7, where enumerate creates a list rather than a basic iterator.)
– acdr
Jan 23 at 16:20
add a comm...
How are POST and GET variables handled in Python?
...uteError: 'NoneType' object has no attribute 'split' using CGI with Python 2.7
– candlejack
Jul 17 '16 at 20:02
1
...
Check if all elements in a list are identical
...r to adapt comparison from a == b to a is b.
timeit result, for Python 2.7 and (only s1, s4, s7, s9 should return True)
s1 = [1] * 5000
s2 = [1] * 4999 + [2]
s3 = [2] + [1]*4999
s4 = [set([9])] * 5000
s5 = [set([9])] * 4999 + [set([10])]
s6 = [set([10])] + [set([9])] * 4999
s7 = [1,1]
s8 = [1,2...
Total memory used by Python process?
...id())
print(process.memory_info().rss) # in bytes
On my current Python 2.7 install with psutil 5.6.3, the last line should be
print(process.memory_info()[0])
instead (there was a change in the API).
Note: do pip install psutil if it is not installed yet.
...
Setting the correct encoding when piping stdout in Python
...he problem just exist when piping to stdout .
I tested in Fedora 25 Python 2.7.13
python --version
Python 2.7.13
cat b.py
#!/usr/bin/env python
#-*- coding: utf-8 -*-
import sys
print sys.stdout.encoding
running ./b.py
UTF-8
running ./b.py | less
None
...
Programmatically change log level in Log4j2
...
In log4j 2.7 LoggerContext hasn't a getConfiguration() method, see logging.apache.org/log4j/2.x/log4j-api/apidocs/index.html?org/…
– maxxyme
Nov 23 '16 at 13:53
...