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2015年硅谷最火的高科技创业公司都有哪些 - 资讯 - 清泛网 - 专注C/C++及内核技术
...余达到高可靠性。并且非常灵活，可以使用各种data，二进制，文档型，记录型。使用各种形式(结构化，半结构化，非结构化所谓的schemaless)，在按需计算上也是个技巧。
围绕在Hadoop周围的有哪些公司和产品？
到Hadoop一般...
传感器组件 · App Inventor 2 中文网
...大范围
确定传感器的最大范围。一些距离传感器返回二进制值代表“近”或“远”，在这种情况下，传感器通常会报告它在远距离状态下的最大范围值 和 近距离状态下较小的值。
通常，远值是 > 5 cm 的值，但不同的传感器可...
Eclipse RCP开发桌面程序 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...：
可以看到，Navigate方法的id为0x00000068，转化为十进制就是104，而它需要的参数第一个是一个字符串，其它的都是可选的，因此，我们可以这样调用它的方法：
Variant url = new Variant("http://www.blogjava.net/");
automation.invoke(104, ...
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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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__)
>...
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...
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 do you log all events fired by an element in jQuery?
I'd like to see all the events fired by an input field as a user interacts with it. This includes stuff like:
12 Answers
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How do I write good/correct package __init__.py files
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__all__ is very good - it helps guide import statements without automatically importing modules
http://docs.python.org/tutorial/modules.html#importing-from-a-package
using __all__ and import * is redundant, only __all__ is nee...