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How can I list the contents of a directory in Python?
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import os
os.listdir("path") # returns list
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ios程序员和android程序员的笑话 - 轻松一刻 - 清泛网 - 专注C/C++及内核技术
ios程序员和android程序员的笑话两个程序员是好朋友，一个为ios开发游戏，一个为android开发游戏。两个人同时决定各开发一款游戏给自己的阵营。1个月过去了，ios游戏开发者 两个程序员是好朋友，一个为ios开发游戏，一个为and...
Correct approach to global logging in Golang
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Create a single log.Logger and pass it around?
That is possible. A log.Logger can be used concurrently from multiple goroutines.
Pass around a pointer to that log.Logger?
log.New returns a *Logger which is usually an indication that you should pass the object around as...
How to write binary data to stdout in python 3?
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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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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...
php each与list的用法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...语言结构。list()用一步操作给一组变量进行赋值。
来看一个例子：
<?php
list($a,$b)=array(10,20);
echo $a,'~',$b,'<br />';
//返回10~20
?>
没错可以给一组变量赋值
再来看另外一个例子：
<?php
list($a,$b,,$c)=array(2=>10,3=>20,4=>30,1=>40);
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How do I change the working directory in Python?
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You can change the working directory with:
import os
os.chdir(path)
There are two best practices to follow when using this method:
Catch the exception (WindowsError, OSError) on invalid path. If the exception is thrown, do not perform any recursive operations, especial...
How can I check file size in Python?
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You need the st_size property of the object returned by os.stat. You can get it by either using pathlib (Python 3.4+):
>>> from pathlib import Path
>>> Path('somefile.txt').stat()
os.stat_result(st_mode=33188, st_ino=6419862, st_dev=16777220, st_nlink=1, st_uid=...
How to use the C socket API in C++ on z/OS
...'m having issues getting the C sockets API to work properly in C++ on z/OS .
9 Answers
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Linux日志切分工具：Logrotate - 更多技术 - 清泛网 - 专注C/C++及内核技术
...，但为了高可用性，这往往不能接受。还好Logrotate提供了一个名为copytruncate的指令，此方法采用的是先拷贝再清空的方式，整个过程中日志文件的操作句柄没有发生改变，所以不需要通知应用程序重新打开日志文件，但是需要注...