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Is it possible to capture a Ctrl+C signal and run a cleanup function, in a “defer” fashion?
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You can use the os/signal package to handle incoming signals. Ctrl+C is SIGINT, so you can use this to trap os.Interrupt.
c := make(chan os.Signal, 1)
signal.Notify(c, os.Interrupt)
go func(){
for sig := range c {
// sig is a ^C...
How to get an absolute file path in Python
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>>> import os
>>> os.path.abspath("mydir/myfile.txt")
'C:/example/cwd/mydir/myfile.txt'
Also works if it is already an absolute path:
>>> import os
>>> os.path.abspath("C:/example/cwd/mydir/myfile.txt")
'C:...
创业者：在寻找 不迷茫 - 资讯 - 清泛网 - 专注C/C++及内核技术
...优厚待遇的科技公司辞职的杨贝明和其他三位伙伴组成了一个创业团队，开发的项目叫易合源，是一个APP，主要方向是打造科技领域的资源交换平台，他们称自己的模式为“互联网+资源”。
这是一个典型的互联网创业项目，仅...
Get Android API level of phone currently running my application [duplicate]
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Check android.os.Build.VERSION, which is a static class that holds various pieces of information about the Android OS a system is running.
If you care about all versions possible (back to original Android version), as in minSdkVersion is ...
How to create a zip archive of a directory in Python?
...s easiest to explain with some example code:
#!/usr/bin/env python
import os
import zipfile
def zipdir(path, ziph):
# ziph is zipfile handle
for root, dirs, files in os.walk(path):
for file in files:
ziph.write(os.path.join(root, file))
if __name__ == '__main__':
z...
Open document with default OS application in Python, both in Windows and Mac OS
...e able to open a document using its default application in Windows and Mac OS. Basically, I want to do the same thing that happens when you double-click on the document icon in Explorer or Finder. What is the best way to do this in Python?
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How to discover number of *logical* cores on Mac OS X?
...he command line, how many cores are on the machine when you're running Mac OS X? On Linux, I use:
14 Answers
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Difference between subprocess.Popen and os.system
What is the difference between subprocess.Popen() and os.system() ?
5 Answers
5
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MySQL和MongoDB设计实例进行对比 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...库中的明星，MongoDB是文档型数据库中的翘楚。下面通过一个设计实例对比一下二者：假设我们正在维护一个手机产品库，里面...MySQL是关系型数据库中的明星，MongoDB是文档型数据库中的翘楚。下面通过一个设计实例对比一下二...
.NET4.5新特性 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...1：async和await
*async和await是一对标记符，可以用来标记当一个任务（线程）完成后将返回到哪里
*这里有三点需要注意的地方：
1、async和await是成对出现的，独立是无法使用的
2、async是标记方法的，这个标记只是指示出该方法...