大约有 40,000 项符合查询结果（耗时：0.0467秒） [XML]
Is module __file__ attribute absolute or relative?
...a file. The __file__ attribute is not present for C modules that are statically linked into the interpreter; for extension modules loaded dynamically from a shared library, it is the pathname of the shared library file.
From the mailing list thread linked by @kindall in a comment to the question:
...
ToList()— does it create a new list?
...
answered May 5 '10 at 14:32
LukeHLukeH
233k5050 gold badges338338 silver badges395395 bronze badges
...
How can a LEFT OUTER JOIN return more records than exist in the left table?
I have a very basic LEFT OUTER JOIN to return all results from the left table and some additional information from a much bigger table. The left table contains 4935 records yet when I LEFT OUTER JOIN it to an additional table the record count is significantly larger.
...
date format yyyy-MM-ddTHH:mm:ssZ
...1123 (HTTP date, the "u" formatter) isn't meant to give time zone offsets. All times are intended to be GMT/UTC.
share
|
improve this answer
|
follow
|
...
Why does my 'git branch' have no master?
...
32
I created my repo with git init and the master branch was not created. With Github, the branch is created automatically, but not with Bitbu...
Flask-SQLalchemy update a row's information
...e many objects to be updated.
If you want to give add_user permission to all the admins,
rows_changed = User.query.filter_by(role='admin').update(dict(permission='add_user'))
db.session.commit()
Notice that filter_by takes keyword arguments (use only one =) as opposed to filter which takes an e...
Runnable with a parameter?
...ble that accepts a parameter" although I know that such runnable doesn't really exist.
7 Answers
...
Apply a function to every row of a matrix or a data frame
...
answered May 29 '17 at 15:32
PrathamPratham
10911 silver badge77 bronze badges
...
SQLAlchemy IN clause
...w about
session.query(MyUserClass).filter(MyUserClass.id.in_((123,456))).all()
edit: Without the ORM, it would be
session.execute(
select(
[MyUserTable.c.id, MyUserTable.c.name],
MyUserTable.c.id.in_((123, 456))
)
).fetchall()
select() takes two parameters, the first...
How to get client's IP address using JavaScript?
...that can return JSON (along with jQuery to make things simpler). Below are all the free active IP lookup services I could find and the information they return. If you know of any more, then please add a comment and I'll update this answer.
Cloudflare
Try it: https://www.cloudflare.com/cdn-cgi/trace...