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半年报披露 天涯社区被资本方看空 - 资讯 - 清泛网 - 专注C/C++及内核技术
...在全国股转系统正式挂牌，证券简称“天涯社区”，证券代码为“833359”。
但这家以“协议转让”作为交易方式的公司在挂牌第一天并没有发生任何交易。天涯社区披露的股票发行情况报告书显示，公司已向海口天涯创业投资...
VR硬件行业洗牌进行时 70%创业公司倒闭转行做内容 - 资讯 - 清泛网 - 专注C...
...前，娄池就告诉记者，国内做硬件的，大都照搬Oculus的源代码，可代替性很强，大家都没有自己的核心算法，有的完全就是忽悠投资人烧钱。
而一位不愿具名的业内人士在接受《证券日报》记者采访时也表示：“我们也找代工...
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...
...在道氏理论等传统金融投资理论中，日内价格波动是没有什么意义的，也最不受重视的，传统金融投资理论重视一段时间的趋势。
现在，借助计算机软件程序，可以大大地提高执行效率，一些原来很不受重视的微小利润，经...
Can someone explain __all__ in Python?
I have been using Python more and more, and I keep seeing the variable __all__ set in different __init__.py files. Can someone explain what this does?
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How to find all the subclasses of a class given its name?
I need a working approach of getting all classes that are inherited from a base class in Python.
10 Answers
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Difference between left join and right join in SQL Server [duplicate]
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@SilapAliyev That's actually a very good question. Can anyone answer? :D
– Ian Chu Te
Jan 8 '16 at 2:46
21
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How to load all modules in a folder?
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List all python (.py) files in the current folder and put them as __all__ variable in __init__.py
from os.path import dirname, basename, isfile, join
import glob
modules = glob.glob(join(dirname(__file__), "*.py"))
__all__ = [ ba...
Is there a built-in function to print all the current properties and values of an object?
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You are really mixing together two different things.
Use dir(), vars() or the inspect module to get what you are interested in (I use __builtins__ as an example; you can use any object instead).
>>> l = dir(__builtins__)
>...
What are all the uses of an underscore in Scala?
...s taken on scala-lang.org and noticed a curious question: " Can you name all the uses of “_”? ". Can you? If yes, please do so here. Explanatory examples are appreciated.
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Django: Get list of model fields?
...s which (ultimately) inherits from models.Model . I want to get a list of all the fields defined for this model. For example, phone_number = CharField(max_length=20) . Basically, I want to retrieve anything that inherits from the Field class.
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