大约有 4,300 项符合查询结果（耗时：0.0182秒） [XML]
Why does this go into an infinite loop?
...to be the original value of x, as hinted in Colin Cochrane's answer .
For fun, test the following code:
public class Autoincrement {
public static void main(String[] args) {
int x = 0;
System.out.println(x++);
System.out.println(x);
}...
Remove all but numbers from NSString
... is called NSScanner. It's used as follows:
NSString *originalString = @"(123) 123123 abc";
NSMutableString *strippedString = [NSMutableString
stringWithCapacity:originalString.length];
NSScanner *scanner = [NSScanner scannerWithString:originalString];
NSCharacterSet *numbers = [NSCharact...
How can I refresh a page with jQuery?
...
123
To reload a page with jQuery, do:
$.ajax({
url: "",
context: document.body,
succe...
Using Caps Lock as Esc in Mac OS X
...tilities offer unlimited flexibility when remapping the Mac keyboard. Have fun!
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Why is the minimalist, example Haskell quicksort not a “true” quicksort?
Haskell's website introduces a very attractive 5-line quicksort function , as seen below.
11 Answers
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What is the difference between “def” and “val” to define a function
...
Method def even evaluates on call and creates new function every time (new instance of Function1).
def even: Int => Boolean = _ % 2 == 0
even eq even
//Boolean = false
val even: Int => Boolean = _ % 2 == 0
even eq even
//Boolean = true
With def you can get new func...
Best way to alphanumeric check in JavaScript
...amp;& // upper alpha (A-Z)
!(code > 96 && code < 123)) { // lower alpha (a-z)
return false;
}
}
return true;
};
Of course, there may be other considerations, such as readability. A one-line regular expression is definitely prettier to look at. But if you're ...
php $_POST array empty upon form submission
...g didn't have a name attribute, and only in IE.
– jkt123
Jul 25 '17 at 18:13
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Ternary Operator Similar To ?:
...mport Bool._
// yay!
val x = condition ? "yes" | "no"
}
Have fun ;)
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HTTP POST with URL query parameters — good idea or not? [closed]
...Is are RESTful. In fact, most APIs which claim that actually aren't. Also, fun fact, REST isn't HTTP-only either.
– Alec Mev
Jan 2 '17 at 19:38
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