大约有 47,000 项符合查询结果(耗时:0.0772秒) [XML]
Why does Python pep-8 strongly recommend spaces over tabs for indentation?
I see on Stack Overflow and PEP 8 that the recommendation is to use spaces only for indentation in Python programs. I can understand the need for consistent indentation and I have felt that pain.
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'await' works, but calling task.Result hangs/deadlocks
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88
You're running into the standard deadlock situation that I describe on my blog and in an MSDN a...
Escape quote in web.config connection string
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OdedOded
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Assign pandas dataframe column dtypes
...= pd.DataFrame({'x': {0: 'a', 1: 'b'}, 'y': {0: '1', 1: '2'}, 'z': {0: '2018-05-01', 1: '2018-05-02'}})
df.dtypes
x object
y object
z object
dtype: object
df
x y z
0 a 1 2018-05-01
1 b 2 2018-05-02
You can apply these to each column you want to convert:
df["y"] = ...
How to validate IP address in Python? [duplicate]
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181
Don't parse it. Just ask.
import socket
try:
socket.inet_aton(addr)
# legal
except s...
Bootstrap 3 breakpoints and media queries
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208
Bootstrap 4 Media Queries
// Extra small devices (portrait phones, less than 576px)
// No media...
int to hex string
...ørholmSebastian Paaske Tørholm
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4
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How to use MySQL DECIMAL?
...sion disclaimer.
– Alex Recarey
Jan 8 '13 at 18:26
1
You said "There is no way to create an "unsi...
How can I install MacVim on OS X?
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reemreem
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Cause CMAKE to generate an error
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187
The message() method has an optional argument for the mode, allowing STATUS, WARNING, AUTHOR_WA...
