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pandas: multiple conditions while indexing data frame - unexpected behavior
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@stoves: in normal Python code, and and or have basic Python semantics that can't be modified. & and |, on the other hand, have corresponding special methods which control their behaviour. (In query strings, of course, we're free to apply...
Sphinx autodoc is not automatic enough
I'm trying to use Sphinx to document a 5,000+ line project in Python. It has about 7 base modules. As far as I know, In order to use autodoc I need to write code like this for each file in my project:
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vs2008编译boost详细步骤 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...元编程框架;
(7)Thread,可移植的C++多线程库;
(8)Python,把C++类和函数映射到Python之中;
(9)Pool,内存池管理;
(10)smart_ptr,智能指针。
【二、Boost库的编译】
【Setp1 准备工作】:
(1)Boost 下载可以到官方网...
Update built-in vim on Mac OS X
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Thanks a lot for a tip! I did adjust your configure for Python, PERL and Ruby support to ./configure --prefix /opt/local --enable-perlinterp=yes --enable-pythoninterp=yes --enable-rubyinterp=yes --with-features=huge --with-python-config-dir=/System/Library/Frameworks/Python.framew...
How to crop an image using PIL?
...g_right_area)
img_left.show()
img_right.show()
Coordinate System
The Python Imaging Library uses a Cartesian pixel coordinate system, with (0,0) in the upper left corner. Note that the coordinates refer to the implied pixel corners; the centre of a pixel addressed as (0, 0) actually lies at (0...
Mocking a class: Mock() or patch()?
I am using mock with Python and was wondering which of those two approaches is better (read: more pythonic).
2 Answers
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Convert timedelta to total seconds
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New in python 2.7
– Evgeny
Jun 6 '13 at 14:43
7
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How to convert a column number (e.g. 127) into an Excel column (e.g. AA)
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Sorry, this is Python instead of C#, but at least the results are correct:
def ColIdxToXlName(idx):
if idx < 1:
raise ValueError("Index is too small")
result = ""
while True:
if idx > 26:
idx, ...
Passing a list of kwargs?
...ethod(keyword1='foo', keyword2='bar')
method(**keywords)
Running this in Python confirms these produce identical results:
{'keyword2': 'bar', 'keyword1': 'foo'}
{'keyword2': 'bar', 'keyword1': 'foo'}
share
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How to access object attribute given string corresponding to name of that attribute
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Note: This answer is very outdated. It applies to Python 2 using the new module that was deprecated in 2008.
There is python built in functions setattr and getattr. Which can used to set and get the attribute of an class.
A brief example:
>>> from new import classo...