大约有 9,000 项符合查询结果（耗时：0.0226秒） [XML]
Python how to write to a binary file?
... bytearray(newFileBytes)
newFile.write(newFileByteArray)
If you're using Python 3.x, you can use bytes instead (and probably ought to, as it signals your intention better). But in Python 2.x, that won't work, because bytes is just an alias for str. As usual, showing with the interactive interprete...
Using Python's os.path, how do I go up one directory?
...
@OriolNieto Yes, as of version Python 3.4+ you can use pathlib.Path.parents[levels_up-1]. See this question for more solutions
– jwalton
Apr 4 '19 at 15:22
...
How can I analyze Python code to identify problematic areas?
... the docs, I don't think you can use the command line. You have to use the Python API.
– Dave Halter
Apr 8 '15 at 9:37
add a comment
|
...
How do I check if a string is valid JSON in Python?
In Python, is there a way to check if a string is valid JSON before trying to parse it?
4 Answers
...
Python: Select subset from list based on index set
...Edit: The first option is equivalent to itertools.compress available since Python 2.7/3.1. See @Gary Kerr's answer.
property_asel = list(itertools.compress(property_a, good_objects))
share
|
impro...
Print a list in reverse order with range()?
How can you produce the following list with range() in Python?
19 Answers
19
...
How to copy a file to a remote server in Python using SCP or SSH?
I have a text file on my local machine that is generated by a daily Python script run in cron.
14 Answers
...
Writing a dict to txt file and reading it back?
...ve to it that is safer. This is called literal_eval and you get it from a Python module called ast.
import ast
def reading(self):
s = open('deed.txt', 'r').read()
self.whip = ast.literal_eval(s)
ast.literal_eval() will only evaluate strings that turn into the basic Python types, so ther...
How can I reverse a list in Python?
How can I do the following in Python?
35 Answers
35
...
Converting a list to a set changes element order
...rship tests and preservation of insertion order, you can use the keys of a Python dictionary, which starting from Python 3.7 is guaranteed to preserve the insertion order:
>>> a = dict.fromkeys([1, 2, 20, 6, 210])
>>> b = dict.fromkeys([6, 20, 1])
>>> dict.fromkeys(x for ...