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How do I get the path and name of the file that is currently executing?
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p1.py:
execfile("p2.py")
p2.py:
import inspect, os
print (inspect.getfile(inspect.currentframe()) # script filename (usually with path)
print (os.path.dirname(os.path.abspath(inspect.getfile(inspect.currentframe())))) # sc...
Turn off constraints temporarily (MS SQL)
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217
You can disable FK and CHECK constraints only in SQL 2005+. See ALTER TABLE
ALTER TABLE foo NO...
Haskell: Where vs. Let
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1: The problem in the example
f :: State s a
f = State $ \x -> y
where y = ... x ...
is the parameter x. Things in the where clause can refer only to the parameters of the function f (there are none) and things in o...
How can I open the interactive matplotlib window in IPython notebook?
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143
According to the documentation, you should be able to switch back and forth like this:
In [2]...
The forked VM terminated without saying properly goodbye. VM crash or System.exit called
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Given a class, see if instance has method (Ruby)
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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
...的头文件.所有的asio类可以简单的通过include "...目录：
1. 同步Timer
2. 异步Timer
3. 回调函数的参数
4. 成员函数作为回调函数
5. 多线程回调同步
6. TCP客户端:对准时间
7. TCP同步时间服务器
1. 同步Timer
本章介绍asio如何在定...
What really is a deque in STL?
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190
A deque is somewhat recursively defined: internally it maintains a double-ended queue of chunk...
Adjusting the Xcode iPhone simulator scale and size [duplicate]
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210
You can't have 1:1 ratio.
However you can scale it from the iOS Simulator > Window > Scal...
手机测高仪 · App Inventor 2 中文网
...在远处瞄一眼就能量出大树和楼房有多高。用方向传感器1读出仰角，配合数学课上的正切函数算出高度。主要用到方向传感器1、文本输入框和数学代码块。
★★☆ 难度
动手完成
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