大约有 47,000 项符合查询结果(耗时:0.0514秒) [XML]
Regular expression to return text between parenthesis
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258
If your problem is really just this simple, you don't need regex:
s[s.find("(")+1:s.find(")")]
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check if variable is dataframe
...thing else:
if isinstance(x, pd.DataFrame):
... # do something
PEP8 says explicitly that isinstance is the preferred way to check types
No: type(x) is pd.DataFrame
No: type(x) == pd.DataFrame
Yes: isinstance(x, pd.DataFrame)
And don't even think about
if obj.__class__.__name__ = 'Data...
Getting the caller function name inside another function in Python? [duplicate]
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edited Dec 18 '18 at 14:39
Ma0
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ans...
What is the maximum number of characters that nvarchar(MAX) will hold?
...led numbers, you should be able to store
(2 ^ 31 - 1 - 2) / 2 = 1'073'741'822 double-byte characters
1 billion, 73 million, 741 thousand and 822 characters to be precise
in your NVARCHAR(MAX) column (unfortunately, that last half character is wasted...)
Update: as @MartinMulder pointed out: any...
How can I ignore a property when serializing using the DataContractSerializer?
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answered Nov 24 '09 at 18:26
Paul RuanePaul Ruane
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Merge a Branch into Trunk
...the answer of topek, and http://subversion.apache.org/docs/release-notes/1.8.html#auto-reintegrate
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Difference between WebStorm and PHPStorm
...or example: latest stable PhpStorm is v7.1.4 while WebStorm is already on v8.x. But, PhpStorm v8 will be released in approximately 1 month (accordingly to their road map), which means that stable version of PhpStorm will include some of the features that will only be available in WebStorm v9 (quite ...
How to overcome TypeError: unhashable type: 'list'
...eyRocketDonkey
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Deserialize from string instead TextReader
...lizeToString(this object objectInstance) ??
– user278618
Feb 27 '10 at 20:21
You could remove 'this', but then the me...
Base 64 encode and decode example code
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First:
Choose an encoding. UTF-8 is generally a good choice; stick to an encoding which will definitely be valid on both sides. It would be rare to use something other than UTF-8 or UTF-16.
Transmitting end:
Encode the string to bytes (e.g. text.getByt...
