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What is duck typing?
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Both Python and Ruby are strong-typed languages and both have Duck Typing. String Typing does not imply in not having Duck Typing.
– alanjds
Apr 18 '14 at 1:01
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How to import classes defined in __init__.py
...look like this:
from . import settings # or just 'import settings' on old Python versions
class Helper(object):
pass
Then the following example should work:
from lib.settings import Values
from lib import Helper
Answer to the edited version of the question:
__init__.py defines how your...
How to overcome TypeError: unhashable type: 'list'
...111', '112'], 'AAC': ['123'], 'AAB': ['111']}
Note that if you are using Python 3.x, you'll have to make a minor adjustment to get it work properly. If you open the file with rb, you'll need to use line = line.split(b'x') (which makes sure you are splitting the byte with the proper type of string)...
DatabaseError: current transaction is aborted, commands ignored until end of transaction block?
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the problem is when I was using python-psycopg, no such errors raised. does psycopg2 implemented a different mechanism talking to postgres?
– jack
Jun 5 '10 at 6:28
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Typical AngularJS workflow and project structure (with Python Flask)
I am pretty new to this whole MV* client-side framework frenzy. It doesn't have to be AngularJS, but I picked it because it feels more natural to me than either Knockout, Ember or Backbone. Anyway what is the workflow like? Do people start with developing a client-side application in AngularJS and t...
Checking if a blob exists in Azure Storage
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Is there .. a ... python version?
– anpatel
Apr 23 '14 at 20:38
2
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How to convert comma-delimited string to list in Python?
Given a string that is a sequence of several values separated by a commma:
7 Answers
7...
argparse store false if unspecified
...t present.
The source for this behavior is succinct and clear: http://hg.python.org/cpython/file/2.7/Lib/argparse.py#l861
The argparse docs aren't clear on the subject, so I'll update them now: http://hg.python.org/cpython/rev/49677cc6d83a
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How to set the maximum memory usage for JVM?
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Is ulimit a Linux command? I did a quick Google search and didn't see any relationship between ulimit and the JVM. Y
– Sam
May 26 '15 at 4:09
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Red black tree over avl tree
...va.util.TreeSet
C++ STL (in most implementations): map, multimap, multiset
Linux kernel: completely fair scheduler, linux/rbtree.h
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