大约有 42,000 项符合查询结果（耗时：0.0379秒） [XML]
How do I detect whether a Python variable is a function?
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934
If this is for Python 2.x or for Python 3.2+, you can also use callable(). It used to be deprec...
How to check whether a variable is a class or not?
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348
Even better: use the inspect.isclass function.
>>> import inspect
>>> class...
Get underlying NSData from UIImage
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answered Jan 7 '11 at 9:13
CarolineCaroline
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List of special characters for SQL LIKE clause
...ons => [0-9] Instead you need to specify each character like this : [0123456789]
– Çağdaş Tekin
Apr 3 '09 at 5:13
3
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os.path.dirname(__file__) returns empty
... Sven MarnachSven Marnach
446k100100 gold badges833833 silver badges753753 bronze badges
3
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How can I create a two dimensional array in JavaScript?
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var items = [
[1, 2],
[3, 4],
[5, 6]
];
console.log(items[0][0]); // 1
console.log(items[0][1]); // 2
console.log(items[1][0]); // 3
console.log(items[1][1]); // 4
console.log(items);
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Unnamed/anonymous namespaces vs. static functions
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339
The C++ Standard reads in section 7.3.1.1 Unnamed namespaces, paragraph 2:
The use of the...
Call by name vs call by value in Scala, clarification needed
...5
frhack
3,77111 gold badge2424 silver badges2121 bronze badges
answered Nov 12 '12 at 1:40
dhgdhg
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Push git commits & tags simultaneously
...eight tag, which would not be pushed, as I mentioned here)
Update April 2013
Since git 1.8.3 (April 22d, 2013), you no longer have to do 2 commands to push branches, and then to push tags:
The new "--follow-tags" option tells "git push" to push relevant annotated tags when pushing branches out.
Yo...
How can I multiply and divide using only bit shifting and adding?
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answered May 5 '10 at 22:31
Andrew ToulouseAndrew Toulouse
1,09311 gold badge99 silver badges1010 bronze badges
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