大约有 6,100 项符合查询结果（耗时：0.0351秒） [XML]
Convert absolute path into relative path given a current directory using Bash
...
$ python -c "import os.path; print os.path.relpath('/foo/bar', '/foo/baz/foo')"
gives:
../../bar
share
|
improve this ans...
Importing variables from another file?
...
I tried to do it, but it seems like python can't find the file1, because I'm getting this error: ImportError: No module named file1
– Hilder Vitor Lima Pereira
May 29 '15 at 23:52
...
Why do you need to put #!/bin/bash at the beginning of a script file?
... most systems run bash, the "Bourne Again Shell"), scripts can be in bash, python, perl, ruby, PHP, etc, etc. For example, you might see #!/bin/perl or #!/bin/perl5.
PS:
The exclamation mark (!) is affectionately called "bang". The shell comment symbol (#) is sometimes called "hash".
PPS:
Rememb...
Is there still any reason to learn AWK?
... the best tool for the job... and now even though his students like me use python and what not, he sticks to what he knows and works well.
In closing, there is a lot of old code kicking around the world, knowing a little awk isn't going to hurt. It will also make you better *nix person :-)
...
Is there a list of Pytz Timezones?
... to know what are all the possible values for the timezone argument in the Python library pytz. How to do it?
7 Answers
...
How can I randomize the lines in a file using standard tools on Red Hat Linux?
...
A one-liner for python:
python -c "import random, sys; lines = open(sys.argv[1]).readlines(); random.shuffle(lines); print ''.join(lines)," myFile
And for printing just a single random line:
python -c "import random, sys; print random.ch...
How to get a function name as a string?
In Python, how do I get a function name as a string, without calling the function?
12 Answers
...
django syncdb and an updated model
...e recently updated my model, added a BooleanField to it however when I do python manage.py syncdb , it doesn't add the new field to the database for the model. How can I fix this ?
...
Why does `a == b or c or d` always evaluate to True?
...
In many cases, Python looks and behaves like natural English, but this is one case where that abstraction fails. People can use context clues to determine that "Jon" and "Inbar" are objects joined to the verb "equals", but the Python interp...
How to list imported modules?
...
If you want to do this from outside the script:
Python 2
from modulefinder import ModuleFinder
finder = ModuleFinder()
finder.run_script("myscript.py")
for name, mod in finder.modules.iteritems():
print name
Python 3
from modulefinder import ModuleFinder
finder = M...