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Importing modules from parent folder
... edited Jan 12 '17 at 18:30
MERose
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answered Apr 3 '09 at 14:09
...
Find current directory and file's directory [duplicate]
... directory a Python file is contained in, write this in that file:
import os
dir_path = os.path.dirname(os.path.realpath(__file__))
(Note that the incantation above won't work if you've already used os.chdir() to change your current working directory, since the value of the __file__ constant is ...
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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房司令：关注热点，破解青年租房窘境
随着漂...
Total memory used by Python process?
... for various operating systems, including Linux, Windows 7, etc.:
import os
import psutil
process = psutil.Process(os.getpid())
print(process.memory_info().rss) # in bytes
On my current Python 2.7 install with psutil 5.6.3, the last line should be
print(process.memory_info()[0])
instead (t...
How to delete a file or folder?
...
os.remove() removes a file.
os.rmdir() removes an empty directory.
shutil.rmtree() deletes a directory and all its contents.
Path objects from the Python 3.4+ pathlib module also expose these instance methods:
pathlib.P...
Get hostname of current request in node.js Express
... missing something simple here, but I can't seem to find a way to get the hostname that a request object I'm sending a response to was requested from.
...
What are some resources for getting started in operating system development? [closed]
...a lot of links after this brief overview of what is involved in writing an OS for the X86 platform.
The link that appears to be most promising (www.nondot.org/sabre/os/articles) is no longer available, so you'll need to poke through the Archive.org version to read it.
At the end of the day the boo...
How can I build a small operating system on an old desktop computer? [closed]
..., read, read, read, read. You need to have a firm understanding of how the OS works before you can hope to implement your own.
Grab one of Andrew Tanenbaum's books on operating systems. This is the one we used in my OS class in college:
Modern Operating Systems PDF
Modern Operating Systems on...
What are the main uses of yield(), and how does it differ from join() and interrupt()?
... level. In other
words, all runnable threads of the same priority (and those of greater
priority) will get a chance to run before the yielded thread is next
given CPU time. When it is eventually re-scheduled, it will come back
with a full full quantum, but doesn't "carry over" any of the
r...