大约有 800 项符合查询结果（耗时：0.0160秒） [XML]
React.js: Identifying different inputs with one onChange handler
...is.setState({ [e.target.name]: e.target.value });
– XåpplI'-I0llwlg'I -
Oct 28 '15 at 7:17
2
Us...
Which comment style should I use in batch files?
...n7SP1 with 100000 comment lines).
For a normal usage it's not important (58µs versus 360µs per comment line)
Comments with ::
A :: always executes a line end caret.
:: This is also a comment^
echo This line is also a comment
Labels and also the comment label :: have a special logic in parenth...
Copy file or directories recursively in Python
...ed Feb 15 '17 at 11:56
Jean-François Corbett
33.6k2525 gold badges124124 silver badges172172 bronze badges
answered Jan 3 '10 at 12:35
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What's the point of 'const' in the Haskell Prelude?
...d Sep 14 '11 at 9:25
Jonas DuregårdJonas Duregård
93744 silver badges88 bronze badges
...
Fast permutation -> number -> permutation mapping algorithms
...rithm to permute a list according to a specific index sequence. It's an O(n²) algorithm, unfortunately.
int n = 5;
int[] sequence = new int[] { 1, 2, 0, 1, 0 };
char[] list = new char[] { 'a', 'b', 'c', 'd', 'e' };
char[] permuted = new char[n];
bool[] set = new bool[n];
for (int i = 0; i < n;...
What does the ??!??! operator do in C?
...if (x || y) { a[i] = '\0'; } looking like if (x öö y) ä aÄiÅ = 'Ö0'; å in the wrong charset.
– Ilmari Karonen
Oct 20 '11 at 13:36
9
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Remove non-utf8 characters from string
... }
}
return $NewStr;
}
How it works:
echo remove_bs('Hello õhowå åare youÆ?'); // Hello how are you?
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Get just the filename from a path in a Bash script [duplicate]
How would I get just the filename without the extension and no path?
6 Answers
6
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How to implement a unique index on two columns in rails
...t different syntax for specifying the columns.
– François Beausoleil
Nov 8 '10 at 13:30
14
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How to check if string input is a number? [duplicate]
...igit is an unsafe test that recognises characters like unicode power-of-2, ² , as a digit that can not be converted to integers.
– Dave Rove
Jul 16 at 11:45
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