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Python 3: UnboundLocalError: local variable referenced before assignment [duplicate]
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Jakob BowyerJakob Bowyer
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How to keep keys/values in same order as declared?
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13 Answers
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Ternary operator is twice as slow as an if-else block?
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376
To answer this question, we'll examine the assembly code produced by the X86 and X64 JITs for ...
How do I write JSON data to a file?
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2137
You forgot the actual JSON part - data is a dictionary and not yet JSON-encoded. Write it like ...
How to handle anchor hash linking in AngularJS
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377
You're looking for $anchorScroll().
Here's the (crappy) documentation.
And here's the source...
Array extension to remove object by value
... self.removeAtIndex(index)
}
}
}
Example:
var ar = [1, 2, 3, 2]
ar.removeObject(2)
print(ar) // [1, 3, 2]
Update for Swift 2 / Xcode 7 beta 2: As Airspeed Velocity noticed
in the comments, it is now actually possible to write a method on a generic type that is more restrictive on...
Java exception not caught?
... block that also throws an exception:
} finally {
throw new Exception("3");
}
Exception("2") will be discarded and only Exception("3") will be propagated.
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How to check if a string in Python is in ASCII?
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answered Oct 13 '08 at 0:30
Alexander KojevnikovAlexander Kojevnikov
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20个命令行工具监控 Linux 系统性能 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ive si so bi bo in cs us sy id wa st
1 0 0 810420 97380 70628 0 0 115 4 89 79 1 6 90 3 0
3. lsof — 打开文件列表
lsof 命令对于很多 Linux/Unix 系统都可以使用，主要以列表的形式显示打开的文件和进程。
打开的文件...
How to pip install a package with min and max version range?
...hich should never be installed (theoretical api: pip install package<0.3 ).
3 Answers
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