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What is the difference between dict.items() and dict.iteritems() in Python2?
...d is also gone, since items() in Python 3 works like viewitems() in Python 2.7.
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How can I represent an 'Enum' in Python?
....4 as described in PEP 435. It has also been backported to 3.3, 3.2, 3.1, 2.7, 2.6, 2.5, and 2.4 on pypi.
For more advanced Enum techniques try the aenum library (2.7, 3.3+, same author as enum34. Code is not perfectly compatible between py2 and py3, e.g. you'll need __order__ in python 2).
To...
创业者如何发现开放却未知的秘密 - 资讯 - 清泛网 - 专注C/C++及内核技术
...为常人所见的商机。
我举例来说明何为企业的秘密。
我在第三篇专栏中曾以airbnb举例，他从街角中发现需求，从而开创了C2C的房屋共享经济。但在中国的短租市场，airbnb、小猪短租似乎都没有做起来。这是为什么？
中国创业...
How do I add custom field to Python log format string?
....warning('test')
Traceback (most recent call last):
File "/usr/lib/python2.7/logging/__init__.py", line 846, in emit
msg = self.format(record)
File "/usr/lib/python2.7/logging/__init__.py", line 723, in format
return fmt.format(record)
File "/usr/lib/python2.7/logging/__init__.py", lin...
Get name of current script in Python
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At least for Python 2.7, I believe an import os is required for this to work. I'd add this into the answer.
– Nick Chammas
Feb 1 '14 at 1:07
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In Python, how can you load YAML mappings as OrderedDicts?
... PyYAML 's loader to load mappings (and ordered mappings) into the Python 2.7+ OrderedDict type, instead of the vanilla dict and the list of pairs it currently uses.
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What does a b prefix before a python string mean?
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as the above links now point to 2.7 reference and b prefix was added, here is a link to old bogus reference docs.python.org/release/2.6.8/reference/…
– kriss
Jun 20 '12 at 8:38
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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 ...
How to copy a dictionary and only edit the copy
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The best and the easiest ways to create a copy of a dict in both Python 2.7 and 3 are...
To create a copy of simple(single-level) dictionary:
1. Using dict() method, instead of generating a reference that points to the existing dict.
my_dict1 = dict()
my_dict1["message"] = "Hello Python"
prin...
为什么你有10年经验，但成不了专家？ - 杂谈 - 清泛网 - 专注C/C++及内核技术
...？
哦，对了，我表达逻辑有问题，让客户半天都不知道我在讲什么。
还有，我记得上次沟通后我曾遗漏了细节，忘记跟客户讨论。
怎么办呢？逻辑问题的话，我首先练习『结论先行』这个原则吧(记得上次李叫兽来培训...