大约有 41,300 项符合查询结果（耗时：0.0404秒） [XML]
How can I use Server.MapPath() from global.asax?
...s technique?
– John Bubriski♦
Jun 3 '09 at 15:00
10
Nope. If you fire up Reflector, you'll noti...
What is the difference between parseInt(string) and Number(string) in JavaScript? [duplicate]
...
330
parseInt("123qwe")
returns 123
Number("123qwe")
returns NaN
In other words parseInt() pa...
TypeError: $.ajax(…) is not a function?
...
13 Answers
13
Active
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jQuery selectors on custom data attributes using HTML5
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1030
$("ul[data-group='Companies'] li[data-company='Microsoft']") //Get all elements with data-compa...
CSV file written with Python has blank lines between each row
... because on Windows text mode will translate each \n into \r\n.
In Python 3 the required syntax changed (see documentation links below), so open outfile with the additional parameter newline='' (empty string) instead.
Examples:
# Python 2
with open('/pythonwork/thefile_subset11.csv', 'wb') as out...
adding multiple entries to a HashMap at once in one statement
...Integer>()
{{
put("One", 1);
put("Two", 2);
put("Three", 3);
}};
As a piece of warning, please refer to the thread Efficiency of Java “Double Brace Initialization" for the performance implications that it might have.
...
Check if list contains any of another list
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3 Answers
3
Active
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Determine whether an array contains a value [duplicate]
...t yourself
– RaYell
Jul 25 '09 at 8:36
7
you should use a typed comparison with === to be compati...
Why use the params keyword?
...
With params you can call your method like this:
addTwoEach(1, 2, 3, 4, 5);
Without params, you can’t.
Additionally, you can call the method with an array as a parameter in both cases:
addTwoEach(new int[] { 1, 2, 3, 4, 5 });
That is, params allows you to use a shortcut when calling...
An efficient way to transpose a file in Bash
...,j];
}
print str
}
}' file
output
$ more file
0 1 2
3 4 5
6 7 8
9 10 11
$ ./shell.sh
0 3 6 9
1 4 7 10
2 5 8 11
Performance against Perl solution by Jonathan on a 10000 lines file
$ head -5 file
1 0 1 2
2 3 4 5
3 6 7 8
4 9 10 11
1 0 1 2
$ wc -l < file
10000
$ time per...