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python: Change the scripts working directory to the script's own directory
...ent working directory to so that opening relative paths will work:
import os
os.chdir("/home/udi/foo")
However, you asked how to change into whatever directory your Python script is located, even if you don't know what directory that will be when you're writing your script. To do this, you can u...
Detect Windows version in .net
How can I detect the Windows OS versions in .net?
15 Answers
15
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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...
Memcached下一站：HandlerSocket！ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...，所以就报错了，既然知道了原因，那我们就照猫画虎做一个VERSION文件放到MySQL源代码目录，内容如下：
MYSQL_VERSION_MAJOR=5
MYSQL_VERSION_MINOR=1
MYSQL_VERSION_PATCH=37
MYSQL_VERSION_EXTRA=
再次运行configure脚本，应该就OK了，把剩下的步骤...
How to debug Lock wait timeout exceeded on MySQL?
...erages calculated from the last 4 seconds
----------
SEMAPHORES
----------
OS WAIT ARRAY INFO: reservation count 9014315, signal count 7805377
Mutex spin waits 0, rounds 11487096053, OS waits 7756855
RW-shared spins 722142, OS waits 211221; RW-excl spins 787046, OS waits 39353
----------------------...
Eclipse Kepler for OS X Mavericks request Java SE 6
I have just made a clean installation of OS X Mavericks , and I have downloaded Eclipse Kepler , but if I execute it, gives me this message:
...
php中json_decode()和json_encode()的使用方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...
说明：
mixed json_decode ( string $json [, bool $assoc ] )
接受一个 JSON 格式的字符串并且把它转换为 PHP 变量
参数：
json
待解码的 json string 格式的字符串。
assoc
当该参数为 TRUE 时，将返回 array 而非 object 。
返回值：
Retu...
How do I pass a string into subprocess.Popen (using the stdin argument)?
...e,
you need to give stdout=PIPE and/or
stderr=PIPE too.
Replacing os.popen*
pipe = os.popen(cmd, 'w', bufsize)
# ==>
pipe = Popen(cmd, shell=True, bufsize=bufsize, stdin=PIPE).stdin
Warning Use communicate() rather than
stdin.write(), stdout.read() or
stderr.read()...
what does the __file__ variable mean/do?
...that determine path at runtime, and I would really like to understand the os.path module so that I can start using it.
5 ...
Python's os.makedirs doesn't understand “~” in my path
...
You need to expand the tilde manually:
my_dir = os.path.expanduser('~/some_dir')
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