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Best way to detect when a user leaves a web page?
...lientY < 0)) {
//window.localStorage.clear();
//alert("Y coords: " + window.event.clientY)
}
};
In my example, I am clearing local storage and alerting the user with the mouses y coords, only when the browser is closed, this will be ignored on all page loads from...
How to get JSON from URL in JavaScript?
...leswithkeys&callback',
function(err, data) {
if (err !== null) {
alert('Something went wrong: ' + err);
} else {
alert('Your query count: ' + data.query.count);
}
});
Note that data is an object, so you can access its attributes without having to parse it.
...
How do I use $rootScope in Angular to store variables?
...m root scope somehow
//use var b
$scope.value = $rootScope.test;
alert($scope.value);
// var b = $rootScope.test;
// alert(b);
});
DEMO
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What APIs are used to draw over other apps (like Facebook's Chat Heads)?
...ne:
Allows an application to open windows using the type
TYPE_SYSTEM_ALERT, shown on top of all other applications.
Very few applications should use this permission; these windows are intended
for system-level interaction with the user.
Constant Value: "android.permission.SYSTEM_ALER...
Launch an app from within another (iPhone)
...pplication] openURL:[NSURL URLWithString:customURL]];
}
else
{
UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"URL error"
message:[NSString stringWithFormat:@"No custom URL defined for %@", customURL]
delegate:self cance...
POST JSON fails with 415 Unsupported media type, Spring 3 mvc
... },
success: function(data) {
if (data.status == 'OK')
alert('Person has been added');
else
alert('Failed adding person: ' + data.status + ', ' + data.errorMessage);
}
and the controller signature looks like this:
@RequestMapping(value = "/saveUserDetails.do", me...
Which keycode for escape key with jQuery
...cument).keypress(function(e) { y=e.keyCode?e.keyCode:e.which;}); When I alert(y), it alerts 27 in IE and FF. Are you sure there's not something else wrong with your code?
– Salty
Jul 21 '09 at 15:51
...
What does the C++ standard state the size of int, long type to be?
...inition, sizeof(char) is 1, notwithstanding the test in the Perl configure script.
Note that there were machines (Crays) where CHAR_BIT was much larger than 8. That meant, IIRC, that sizeof(int) was also 1, because both char and int were 32-bit.
...
How can I round a number in JavaScript? .toFixed() returns a string?
...
var someNumber = 123.456;
someNumber = parseFloat(someNumber.toFixed(2));
alert(typeof(someNumber));
//alerts number
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Why does Javascript getYear() return 108?
... stick with the old behavior
This outputs 99 in all browsers:
javascript:alert(new Date(917823600000).getYear());
This outputs 108 in FF/WebKit, and 2008 in Opera/IE:
javascript:alert(new Date().getYear());
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