大约有 40,000 项符合查询结果（耗时：0.0552秒） [XML]
How to merge YAML arrays?
...hon:3.7.3
stage: test
script:
- *pip_git
- pip install -q -r requirements_test.txt
- python -m unittest discover tests
use the same `*pip_git` on e.g. build image...
where requirements_test.txt contains e.g.
-e git+ssh://git@gitlab.com/example/example.git@v0.2.2#e...
Python JSON serialize a Decimal object
...
The problem was that DecimalEncoder()._iterencode(decimal.Decimal('3.9')).next() returned the correct '3.9', but DecimalEncoder()._iterencode(3.9).next() returned a generator object which would only return '3.899...' when you piled on another .next(). Generator f...
How to select rows from a DataFrame based on column values?
...have multiple values you want to include, put them in a
list (or more generally, any iterable) and use isin:
print(df.loc[df['B'].isin(['one','three'])])
yields
A B C D
0 foo one 0 0
1 bar one 1 2
3 bar three 3 6
6 foo one 6 12
7 foo three 7 14
Note,...
How would I run an async Task method synchronously?
I'm learning about async/await, and ran into a situation where I need to call an async method synchronously. How can I do that?
...
How do you disable the unused variable warnings coming out of gcc in 3rd party code I do not wish to
...ut the stuff you have no control over.
For example, instead of -IC:\\boost_1_52_0, say -isystem C:\\boost_1_52_0.
Hope it helps. Good Luck!
share
|
improve this answer
|
fo...
iOS UIImagePickerController result image orientation after upload
...uite similar to this one) that includes a lengthy discussion of what's actually going on.
– Gallymon
Nov 29 '13 at 4:30
|
show 21 more comme...
java.sql.SQLException: Incorrect string value: '\xF0\x9F\x91\xBD\xF0\x9F…'
...ead:
For a supplementary character, utf8 cannot store the character at all,
while utf8mb4 requires four bytes to store it. Since utf8 cannot store
the character at all, you do not have any supplementary characters in
utf8 columns and you need not worry about converting characters or
losi...
What's the simplest way to subtract a month from a date in Python?
...at what they want can be done just by dt - timedelta(days=dt.day) As originally phrased though it sounded like they wanted to be able to subtract an arbitrary number of months and that is a bit harder.
– Duncan
Sep 19 '19 at 14:27
...
Get the data received in a Flask request
.... In most common cases request.data will be empty because it's used as a fallback:
request.data Contains the incoming request data as string in case it came with a mimetype Flask does not handle.
request.args: the key/value pairs in the URL query string
request.form: the key/value pairs in t...
What's the difference between eval, exec, and compile?
...
The short answer, or TL;DR
Basically, eval is used to evaluate a single dynamically generated Python expression, and exec is used to execute dynamically generated Python code only for its side effects.
eval and exec have these two differences:
eval accep...