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Unable to set data attribute using jQuery Data() API
...ata- attributes are pulled in the first time the data property is accessed and then are no longer accessed or mutated (all data values are then stored internally in jQuery)
This was also covered on Why don't changes to jQuery $.fn.data() update the corresponding html 5 data-* attributes?
The demo...
Is there a difference between foreach and map?
...n a particular language, but is there a difference between a map operation and a foreach operation? Or are they simply different names for the same thing?
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How do I split a string on a delimiter in Bash?
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You can set the internal field separator (IFS) variable, and then let it parse into an array. When this happens in a command, then the assignment to IFS only takes place to that single command's environment (to read ). It then parses the input according to the IFS variable value in...
Dokan虚拟磁盘开发实战 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...我使用了以下代码来实现：
if not DokanFileInfo.IsDirectory and (CreationDisposition in [CREATE_NEW, OPEN_ALWAYS, CREATE_ALWAYS]) then begin
MySetFileDate(DokanFileInfo, DateTimeToFileDate(Now)); //Cleanup里会判断FileDate来决定是否保存到远程目录
end;
5.WriteFile: ...
Why doesn't java.util.Set have get(int index)?
... itself. Two of the three commonly used implementations of List (ArrayList and Vector) are random-access, but that does not make random access a property of Lists.
– Michael Myers♦
Aug 5 '12 at 4:29
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PostgreSQL naming conventions
...sitively when not quoted (it actually folds them to lowercase internally), and case sensitively when quoted; many people are not aware of this idiosyncrasy. Using always lowercase you are safe. Anyway, it's acceptable to use camelCase or PascalCase (or UPPER_CASE), as long as you are consistent: eit...
Why is unsigned integer overflow defined behavior but signed integer overflow isn't?
Unsigned integer overflow is well defined by both the C and C++ standards. For example, the C99 standard ( §6.2.5/9 ) states
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Testing whether a value is odd or even
I decided to create simple isEven and isOdd function with a very simple algorithm:
22 Answers
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Benchmarking (python vs. c++ using BLAS) and (numpy)
I would like to write a program that makes extensive use of BLAS and LAPACK linear algebra functionalities. Since performance is an issue I did some benchmarking and would like know, if the approach I took is legitimate.
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What exceptions should be thrown for invalid or unexpected parameters in .NET?
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I like to use: ArgumentException, ArgumentNullException, and ArgumentOutOfRangeException.
ArgumentException – Something is wrong with the argument.
ArgumentNullException – Argument is null.
ArgumentOutOfRangeException – I don’t use this one much, but a common use is index...