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Redirect stdout to a file in Python?
...pt on Windows using just script's name
– Piotr Dobrogost
Oct 4 '12 at 11:00
7
It doesn't work wit...
Python: Get relative path from comparing two absolute paths
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os.path.commonprefix() and os.path.relpath() are your friends:
>>> print os.path.commonprefix(['/usr/var/log', '/usr/var/security'])
'/usr/var'
>>> print os.path.commonprefix(['/tmp', '/usr/var']) # No com...
How can I create directories recursively? [duplicate]
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os.makedirs is what you need. For chmod or chown you'll have to use os.walk and use it on every file/dir yourself.
share
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How do I check if I'm running on Windows in Python? [duplicate]
...e platform module but it says it returns 'Windows' and it's returning 'Microsoft' on my machine. I notice in another thread here on stackoverflow it returns 'Vista' sometimes.
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How to get the filename without the extension from a path in Python?
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Getting the name of the file without the extension:
import os
print(os.path.splitext("/path/to/some/file.txt")[0])
Prints:
/path/to/some/file
Documentation for os.path.splitext.
Important Note: If the filename has multiple dots, only the extension after the last one is removed....
What to do on TransactionTooLargeException
...t of operations pending
How to handle when you get this exception
If possible, split the big operation in to small chunks, for example, instead of calling applyBatch() with 1000 operations, call it with 100 each.
Do not exchange huge data (>1MB) between services and application
I dont know...
App Inventor 2 UrsPahoMqttClient 拓展 - 物联网轻量级MQTT协议 · App Inventor 2 中文网
...选：唯一客户端标识。如果未指定任何值，则内部会分配一个随机值 (GUID)。同时连接到同一消息服务器的所有客户端，客户端ID必须是唯一的。
认证信息
UserName - 用户名
可选：用于身份验证的用户名。
UserPasword - 用户密...
Python subprocess/Popen with a modified environment
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I think os.environ.copy() is better if you don't intend to modify the os.environ for the current process:
import subprocess, os
my_env = os.environ.copy()
my_env["PATH"] = "/usr/sbin:/sbin:" + my_env["PATH"]
subprocess.Popen(my_comm...
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...
Do Swift-based applications work on OS X 10.9/iOS 7 and lower?
Will Swift-based applications work on OS X 10.9 (Mavericks)/iOS 7 and lower?
19 Answers
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