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Unresolved Import Issues with PyDev and Eclipse
... For other searchers, I wanted to add my experience -Windows 7, Python 2.7.1, Eclipse 3.6.2, PyDev, Pyschopg (For Python 2.7 amd64). The install of Psychopg went to C:\Python27\Lib\site-packages\psycopg2 ( under the Python 2.7 installation ). I first referenced that folder and all child folder...
Empty set literal?
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Actually, set literals have been backported to Python 2.7, so they are not only available strictly in Python 3.
– Jim Brissom
May 25 '11 at 20:56
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Jackson overcoming underscores in favor of camel-case
...sonNaming(PropertyNamingStrategy.SnakeCaseStrategy.class)
Before Jackson 2.7, the constant was named:
PropertyNamingStrategy.CAMEL_CASE_TO_LOWER_CASE_WITH_UNDERSCORES
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Install a module using pip for specific python version
...ntu 10.04 by default Python 2.6 is installed, then I have installed Python 2.7. How can I use pip install to install packages for Python 2.7.
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Python argparse: How to insert newline in the help text?
I'm using argparse in Python 2.7 for parsing input options. One of my options is a multiple choice. I want to make a list in its help text, e.g.
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django.core.exceptions.ImproperlyConfigured: Error loading MySQLdb module: No module named MySQLdb
... do i have a version problem by any chance? I am using django 1.5 , python 2.7.3 with my sql(14.14 for debian)
– getitstarted
Mar 10 '13 at 0:57
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Limiting floats to two decimal points
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The built-in round() works just fine in Python 2.7 or later.
Example:
>>> round(14.22222223, 2)
14.22
Check out the documentation.
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Upgrade python in a virtualenv
...or me. I think you may have some problems if you change from python 2.6 to 2.7 or 2.7 to 3.x but if you just upgrade inside the same version (staying at 2.7 as you want) you shouldn't have any problem, as all the packages are held in the same folders for both python versions (2.7.x and 2.7.y package...
Convert two lists into a dictionary
... move to Python 3).
from itertools import izip as zip
So that is still (2.7):
new_dict = {k: v for k, v in zip(keys, values)}
Python 2, ideal for <= 2.6
izip from itertools becomes zip in Python 3. izip is better than zip for Python 2 (because it avoids the unnecessary list creation), and ...
Shell Script: Execute a python program from within a shell script
...pt.py
Is quite wrong, especially in these days. Which python? python2.6? 2.7? 3.0? 3.1? Most of times you need to specify the python version in shebang tag of python file. I encourage to use #!/usr/bin/env python2 #or python2.6 or python3 or even python3.1 for compatibility.
In such case, is much...