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How to run a python script from IDLE interactive shell?
...ipt name
execfile('helloworld.py')
Deprecated since 2.6: popen
import os
os.popen('python helloworld.py') # Just run the program
os.popen('python helloworld.py').read() # Also gets you the stdout
With arguments:
os.popen('python helloworld.py arg').read()
Advance usage: subprocess
impor...
How to convert an enum type variable to a string?
... execute that debug code: it then gives you the wrong information, so you lose half a day building assumptions based on this wrong information, before realizing you first had to debug the debug code: the design relies on explicit duplication.
– Ad N
Aug 20 '15 ...
Where can I find “make” program for Mac OS X Lion?
Just upgraded my computer to Mac OS X Lion and went to terminal and typed "make" but it says:
-bash: make: command not found
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Import multiple csv files into pandas and concatenate into one DataFrame
...like an old fashioned aka manual way of doing things, esp. as the Hapood ecosystem has growing list of tools where you can perform sql queries directly on many different directories containing different file types (csv, json, txt, databases) as if it was one data source. There must be something si...
C++并发编程（中文版） - 文档下载 - 清泛网 - 专注C/C++及内核技术
...、std::future和std::async等基础类的使用，到内存模型和原子操作、基于锁和无锁数据结构的构建，再扩展到并行算法、线程管理，最后还介绍了多线程代码的测试工作。
本书的附录部分还对C++11新语言特性中与多线程相关的项目...
uint8_t can't be printed with cout
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It doesn't really print a blank, but most probably the ASCII character with value 5, which is non-printable (or invisible). There's a number of invisible ASCII character codes, most of them below value 32, which is the blank actually.
You have to convert aa to u...
How can I eliminate slow resolving/loading of localhost/virtualhost (a 2-3 second lag) on Mac OS X L
Since setting up my development environments on Mac OS X Lion (brand new macbook air purchased in January 2012), I have noticed that resolving to a virtual host is very slow (around 3 seconds) the first time but after that is fast as long as I continue loading it regularly.
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C++及Windows异常处理(try，catch; __try,__finally, __except) - C/C++ - ...
...，接下来，看另外两组异常模型机制，它们是Windows系列操作系统平台上提供的SEH模型，也就是说在C++中调用的时候，其实是调用Windows的API
SEH,又称结构化异常处理.是设计Windows操作系统时提出一个种处理异常的方法。
__try, __e...
How to write binary data to stdout in python 3?
...
import os
os.write(1, a.tostring())
or, os.write(sys.stdout.fileno(), …) if that's more readable than 1 for you.
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impro...
How to make the hardware beep sound in Mac OS X 10.6
I just want that Mac OS X 10.6 does a hardware beep sound like in open suse and other distributions. I tried following approaches
...