大约有 6,400 项符合查询结果(耗时:0.0263秒) [XML]
What is the purpose of fork()?
...esses. For example, every time you use a command like subprocess.Popen in Python, you fork a child process and read its output. This enables programs to work together.
Typical usage of fork in a shell might look something like this:
int child_process_id = fork();
if (child_process_id) {
// ...
Date ticks and rotation in matplotlib
...
I just tested with python3.6 and matplotlib v2.2.2 and it works too.
– Pablo Reyes
Apr 4 '19 at 23:35
add a comment
...
Getting the return value of Javascript code in Selenium
...ion in my webpage and I want to call that and get the return value into my Python code, what can I call to do that?
2 Answe...
Can I squash commits in Mercurial?
...eError: name 'execfile' is not defined"—which means evolve is written in Python 2, which is basically the stone age.
– Neil G
Apr 27 '18 at 15:21
1
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How can I see the current value of my $PATH variable on OS X?
...ched in the following order:
/usr/local/share/npm/bin
/Library/Frameworks/Python.framework/Versions/2.7/bin
/usr/local/bin
/usr/local/sbin
~/bin
/Library/Frameworks/Python.framework/Versions/Current/bin
/usr/bin
/bin
/usr/sbin
/sbin
/usr/local/bin
/opt/X11/bin
/usr/local/git/bin
To me this list a...
What is the difference between os.path.basename() and os.path.dirname()?
....
E.g.: The basename of '/foo/bar/item' returns 'item'
From: http://docs.python.org/2/library/os.path.html#os.path.basename
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How to get the last element of a slice?
...hanks a bunch! Even though it does seem silly they didn't add the -1 index Python has...
– Morgan Wilde
Mar 20 '14 at 15:00
...
What is a coroutine?
...etween two different routines without returning.
The 'yield' statement in Python is a good example. It creates a coroutine. When the 'yield ' is encountered the current state of the function is saved and control is returned to the calling function. The calling function can then transfer execution b...
Find element's index in pandas Series
... find an answer. How can I get the index of certain element of a Series in python pandas? (first occurrence would suffice)
...
How to run cron job every 2 hours
... Enter into crontab :
crontab -e
write this into the file:
0 */2 * * * python/php/java yourfilepath
Example :0 */2 * * * python ec2-user/home/demo.py
and make sure you have keep one blank line after the last cron job in your crontab file
...