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快速理解 高频对冲套利自动交易（程式化交易） - 更多技术 - 清泛网 - 专注...
...去时间，开、高、低、收、成交量、持仓量，这6个基本数据，经过一定的数学运算出来的，从时间上来说，指标是“子”，那6个基本数据是“父”，因此，指标只具有交易参考价值，没有直接指导交易的价值，换句话说，可以...
Install tkinter for Python
...It is not very easy to install Tkinter locally to use with system-provided Python. You may build it from sources, but this is usually not the best idea with a binary package-based distro you're apparently running.
It's safer to apt-get install python-tk on your machine(s).
(Works on Debian-derived ...
How can I manually generate a .pyc file from a .py file
For some reason, I can not depend on Python's "import" statement to generate .pyc file automatically
8 Answers
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Running Bash commands in Python
On my local machine, I run a python script which contains this line
9 Answers
9
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Accessing items in an collections.OrderedDict by index
...ctions
>>> d = collections.OrderedDict()
>>> d['foo'] = 'python'
>>> d['bar'] = 'spam'
>>> d.items()
[('foo', 'python'), ('bar', 'spam')]
>>> d.items()[0]
('foo', 'python')
>>> d.items()[1]
('bar', 'spam')
Note for Python 3.X
dict.items would ...
python design patterns [closed]
...examples of Best Practices, Design patterns and the SOLID principles using Python.
6 Answers
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Why do people write the #!/usr/bin/env python shebang on the first line of a Python script?
...
If you have several versions of Python installed, /usr/bin/env will ensure the interpreter used is the first one on your environment's $PATH. The alternative would be to hardcode something like #!/usr/bin/python; that's ok, but less flexible.
In Unix, an e...
Python 3 turn range to a list
...ing to write/read, so I'm attempting to make a list with a range in it. In Python 2 it seems that:
8 Answers
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List comprehension vs map
...? Is either of them generally more efficient or considered generally more pythonic than the other?
11 Answers
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Threading in a PyQt application: Use Qt threads or Python threads?
...nchrnous signals/slots, event loop, etc.).
Also, you can't use Qt from a Python thread (you can't for instance
post event to the main thread through QApplication.postEvent): you
need a QThread for that to work.
A general rule of thumb might be to use QThreads if you're going to interact s...