大约有 5,685 项符合查询结果（耗时：0.0416秒） [XML]
How to initialize a dict with keys from a list and empty value in Python?
...
This is the cleanest, most Pythonic way in Python3 IMO
– Bede Constantinides
Apr 21 '15 at 9:33
5
...
How to retrieve inserted id after inserting row in SQLite using Python?
How to retrieve inserted id after inserting row in SQLite using Python? I have table like this:
2 Answers
...
Why does python use 'else' after for and while loops?
...
It's a strange construct even to seasoned Python coders. When used in conjunction with for-loops it basically means "find some item in the iterable, else if none was found do ...". As in:
found_obj = None
for obj in objects:
if obj.key == search_key:
fou...
Clear variable in python
Is there a way to clear the value of a variable in python?
7 Answers
7
...
How to log source file name and line number in Python
Is it possible to decorate/extend the python standard logging system, so that when a logging method is invoked it also logs the file and the line number where it was invoked or maybe the method that invoked it?
...
Elegant setup of Python logging in Django
I have yet to find a way of setting up Python logging with Django that I'm happy with. My requirements are fairly simple:
4...
Convert base-2 binary number string to int
...y number:
>>> int('11111111', 2)
255
Here is documentation for python2, and for python3.
share
|
improve this answer
|
follow
|
...
Is the list of Python reserved words and builtins available in a library?
Is the list of Python reserved words and builtins available in a library? I want to do something like:
1 Answer
...
How can I check if a string represents an int, without using try/except?
...lse
It's going to be WAY more code to exactly cover all the strings that Python considers integers. I say just be pythonic on this one.
share
|
improve this answer
|
follo...
Is there a builtin identity function in python?
... it to take multiple arguments. That's fine, but then you hit a problem as Python functions don't return multiple results, so you have to find a way of cramming all of those arguments into one return value.
The usual way of returning "multiple values" in Python is to return a tuple of the values - ...