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What is an OS kernel ? How does it differ from an operating system? [closed]
I am not able to understand the difference between a kernel and an operating system. I do not see any difference between them. Is the kernel an operating system?
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How to find out the number of CPUs using python
...is not in use), multiprocessing.cpu_count() is the way to go in Python 2.6 and newer. The following method falls back to a couple of alternative methods in older versions of Python:
import os
import re
import subprocess
def available_cpu_count():
""" Number of available virtual or physical CP...
How can I find script's directory with Python? [duplicate]
... print os.path.dirname(os.path.realpath(__file__))', which is a set of commands run by a python interpreter.
– Ehtesh Choudhury
Jan 5 '15 at 19:50
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How do I add tab completion to the Python shell?
... readline not available.")
else:
import rlcompleter
readline.parse_and_bind("tab: complete")
then in your .bashrc file, add
export PYTHONSTARTUP=~/.pythonrc
That seems to work.
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How to use glob() to find files recursively?
...lob('**/*.c'), but don't forget to pass in the recursive keyword parameter and it will use inordinate amount of time on large directories.
For cases where matching files beginning with a dot (.); like files in the current directory or hidden files on Unix based system, use the os.walk solution below...
How to detect the OS from a Bash script?
I would like to keep my .bashrc and .bash_login files in version control so that I can use them between all the computers I use. The problem is I have some OS specific aliases so I was looking for a way to determine if the script is running on Mac OS X, Linux or Cygwin .
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How can I create directories recursively? [duplicate]
...s.makedirs is what you need. For chmod or chown you'll have to use os.walk and use it on every file/dir yourself.
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How to get only the last part of a path in Python?
...s doesn't seem to work on Windows long paths, e.g., '\\\\?\\D:\\A\\B\\C\\' and '\\\\?\\UNC\\svr\\B\\C\\' (returns an empty string) This solution works for all cases.
– omasoud
Feb 7 at 17:54
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What to do on TransactionTooLargeException
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I encountered this issue, and I found that when there huge amount of data getting exchanged between a service and an application,(This involves transferring lots of thumbnails). Actually data size was around 500kb, and the IPC transaction buffer size...
php 获取操作系统、浏览器版本信息（持续更新） - 更多技术 - 清泛网 - 专...
...版本，以及用户使用何种浏览器等信息，本文主要提供getOS、getBrowser、getBrowserVer三个方法，对网上各方法进行测试汇总整理，持续更新希望能成为最佳实现，欢迎大家多提意见。一、获取操作系统信息：
/**
* 获取os信息
*
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