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How do I install an old version of Django on virtualenv?
...s to djangoproject.com/m/bad-installer.txt (and pip seems to be broken for python2.4 which is what i am using in virtualenv). yeah, it would be better if people used new versions, but some of us have to maintain old code...
– andrew cooke
Oct 22 '12 at 14:39
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How do I convert this list of dictionaries to a csv file?
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Note that a more pythonic way of opening (and closing) files is with open('people.csv', 'wb') as f: ...
– gozzilli
Nov 20 '13 at 14:53
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How do I sort a dictionary by value?
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Python 3.6+
>>> x = {1: 2, 3: 4, 4: 3, 2: 1, 0: 0}
>>> {k: v for k, v in sorted(x.items(), key=lambda item: item[1])}
{0: 0, 2: 1, 1: 2, 4: 3, 3: 4}
Older Python
It is not possible to sort a dictionary, on...
Why is the Android test runner reporting “Empty test suite”?
... ("Projects" in Eclipse). The Unit test module has its own AndroidManifest.xml, which I have pasted at the bottom. I am trying to run an ActivityUnitTestCase , since the tests will be dependent upon the Context -object.
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Why does Path.Combine not properly concatenate filenames that start with Path.DirectorySeparatorChar
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I wanted to solve this problem:
string sample1 = "configuration/config.xml";
string sample2 = "/configuration/config.xml";
string sample3 = "\\configuration/config.xml";
string dir1 = "c:\\temp";
string dir2 = "c:\\temp\\";
string dir3 = "c:\\temp/";
string path1 = PathCombine(dir1, sample1);
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How to sort objects by multiple keys in Python?
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In case you like your code terse.
Later 2016-01-17
This works with python3 (which eliminated the cmp argument to sort):
from operator import itemgetter as i
from functools import cmp_to_key
def cmp(x, y):
"""
Replacement for built-in function cmp that was removed in Python 3
C...
How to return a value from __init__ in Python?
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Where is new here? Is new implicit in Python? I assumed Python's semantics were different from Java and the other languages that do use this word.
– cs95
Jul 20 '16 at 6:06
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Convert floating point number to a certain precision, and then copy to string
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With Python < 3 (e.g. 2.6 [see comments] or 2.7), there are two ways to do so.
# Option one
older_method_string = "%.9f" % numvar
# Option two
newer_method_string = "{:.9f}".format(numvar)
But note that for Python versions ...
Repeat string to certain length
...urn (string_to_expand * ((length/len(string_to_expand))+1))[:length]
For python3:
def repeat_to_length(string_to_expand, length):
return (string_to_expand * (int(length/len(string_to_expand))+1))[:length]
share
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How to switch between hide and view password
... can dynamically change the attributes of a TextView. If you would set the XML Atrribute android:password to true the view would show dots if you set it to false the text is shown.
With the method setTransformationMethod you should be able to change this attributes from code. (Disclaimer: I have n...