大约有 45,465 项符合查询结果（耗时：0.0380秒） [XML]
Run javascript function when user finishes typing instead of on key up?
...ajax request when the user has finished typing in a text box. I don't want it to run the function on every time the user types a letter because that would result in A LOT of ajax requests, however I don't want them to have to hit the enter button either.
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What's the difference between ContentControl and ContentPresenter?
...control templates to display content.
ContentControl, when used directly (it's supposed to be used as a base class), has a control template that uses ContentPresenter to display it's content.
My rules of thumb (not applicable in every case, use your judgment):
Inside ControlTemplate use ContentP...
Catch Ctrl-C in C
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With a signal handler.
Here is a simple example flipping a bool used in main():
#include <signal.h>
static volatile int keepRunning = 1;
void intHandler(int dummy) {
keepRunning = 0;
}
// ...
int main(void) {
...
Why does DEBUG=False setting make my django Static Files Access fail?
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With debug turned off Django won't handle static files for you any more - your production web server (Apache or something) should take care of that.
s...
Prevent any form of page refresh using jQuery/Javascript
...on() {
return "Dude, are you sure you want to leave? Think of the kittens!";
}
</script>
The user will be prompted with the message, and given an option to stay on the page or continue on their way. This is becoming more common. Stack Overflow does this if you try to navigate awa...
How to use Git properly with Xcode?
... been an iphone developer for a while, and I have recently been including git in my workflow. I have used git settings found on http://shanesbrain.net/2008/7/9/using-xcode-with-git for my workflow so far.
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how to remove X-Powered-By in ExpressJS [duplicate]
I want to remove X-Powered-By for Security,Save Bandwidth in ExpressJS(node.js). how to do it?
it could be filter(app.use) ?
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Auto margins don't center image in page
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add display:block; and it'll work. Images are inline by default
To clarify, the default width for a block element is auto, which of course fills the entire available width of the containing element.
By setting the margin to auto, the browser assi...
How to get an array of unique values from an array containing duplicates in JavaScript? [duplicate]
...
Edited
ES6 solution:
[...new Set(a)];
Alternative:
Array.from(new Set(a));
Old response. O(n^2) (do not use it with large arrays!)
var arrayUnique = function(a) {
return a.reduce(function(p, c) {
if (p.index...
Automatic post-registration user authentication
...lding a business app from the ground up in Symfony 2, and I've run into a bit of a snag with the user registration flow: after the user creates an account, they should be automatically logged in with those credentials, instead of being immediately forced to provide their credentials again.
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