大约有 10,000 项符合查询结果(耗时:0.0170秒) [XML]

https://stackoverflow.com/ques... 

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...
https://stackoverflow.com/ques... 

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. ...
https://stackoverflow.com/ques... 

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 share | improve this answer | ...
https://stackoverflow.com/ques... 

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...
https://stackoverflow.com/ques... 

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...
https://stackoverflow.com/ques... 

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...
https://stackoverflow.com/ques... 

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 ...
https://stackoverflow.com/ques... 

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. ...
https://stackoverflow.com/ques... 

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 share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

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()); share ...