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Remove all the elements that occur in one list from another
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Daniel PrydenDaniel Pryden
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How do I find the location of my Python site-packages directory?
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$ python -c "import setuptools as _; print(_.__path__)"
['/usr/lib/python2.7/dist-packages/setuptools']
<module>.__file__ lets you identify the location of a specific module: (difference)
$ python3 -c "import os as _; print(_.__file__)"
/usr/lib/python3.6/os.py
Run pip show <package>...
Removing duplicates in lists
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In Python 2.7, the new way of removing duplicates from an iterable while keeping it in the original order is:
>>> from collections import OrderedDict
>>> list(OrderedDict.fromkeys('abracadabra'))
['a', 'b', 'r', 'c',...
How do I copy a string to the clipboard on Windows using Python?
... To me this doesn't work for python 3.4, but it works for python 2.7 (yes, with tkinter instead of Tkinter)
– Matty
Oct 1 '15 at 15:58
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Removing all non-numeric characters from string in Python
...ke implementations using str.translate, this solution works in both python 2.7 and 3.4. Thank you!
– Alex
Jan 20 '16 at 14:47
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如何抓住痛点做出让用户尖叫的产品 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...用户体验。
核心功能是产品的生存之本，除非出现重大版本升级，重大到升级后已经更改了产品方向，否则都要保证核心功能上不出问题。附属的功能都是加分项，但也并不是说附属功能越多，加的分数就越多，而是有选择的...
Python unit test with base and sub class
... of your test cases, which is error-prone. Instead, I use this (python>=2.7):
class BaseTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
if cls is BaseTest:
raise unittest.SkipTest("Skip BaseTest tests, it's a base class")
super(BaseTest, cls).setUp...
Boost.Asio的简单使用(Timer,Thread,Io_service类) - C/C++ - 清泛网 - 专注C/C++及内核技术
...到找到一个可以正常工作的.这步使得我们的程序独立于IP版本
tcp::socket socket(io_service);
boost::asio::error error = boost::asio::error::host_not_found;
while (error && endpoint_iterator != end)
{
socket.close();
socket.connect(*endpoint_iterator++, boos...
浅谈HTML5 & CSS3的新交互特性 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...常方便的复用各种语言集合。
HTML5和CSS3是HTML和CSS的最新版本，它们目前均未确定标准，但是已经公布的新特征已经让我们心动不已。
HTML5的新特新
1. 新的内容标签
HTML4中的内容标签级别相同，无法区分各部分内容。而 HTML5...
How to convert JSON data into a Python object
...tion when running under Python 3.x (types.SimpleNamespace doesn't exist in 2.7, unfortunately).
– Dan Lenski
Feb 14 '17 at 21:18
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