大约有 46,000 项符合查询结果（耗时：0.0263秒） [XML]
$(window).width() not the same as media query
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If you don't have to support IE9 you can just use window.matchMedia() (MDN documentation).
function checkPosition() {
if (window.matchMedia('(max-width: 767px)').matches) {
//...
} else {
//...
}
}
window.matchMedia is fully consistent with the...
How to sleep for five seconds in a batch file/cmd [duplicate]
Windows's Snipping tool can capture the screen, but sometimes I want to capture the screen after five seconds, such as taking an image being displayed by the webcam. (Run the script and smile at the camera, for example.)
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Difference between \n and \r?
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in old Mac systems (pre-OS X), \r was the code for end-of-line instead
in Windows (and many old OSs), the code for end of line is 2 characters, \r\n, in this order
as a (surprising;-) consequence (harking back to OSs much older than Windows), \r\n is the standard line-termination for text formats o...
Best way to detect when a user leaves a web page?
...ving the page if your page is dirty (i.e. if user has entered some data):
window.addEventListener('beforeunload', function(e) {
var myPageIsDirty = ...; //you implement this logic...
if(myPageIsDirty) {
//following two lines will cause the browser to ask the user if they
//want to leave...
Why are my PowerShell scripts not running?
... You have to run Powershell with administrator privileges, at least under Windows 8!
– ComFreek
Aug 24 '12 at 11:48
1
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Access is denied when attaching a database
...hat took care of all the weirdness in my case.
SQL SRV EXPRESS 2008 R2. Windows 7
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How to terminate the script in JavaScript?
...;
if (typeof status === 'string') {
alert(status);
}
window.addEventListener('error', function (e) {e.preventDefault();e.stopPropagation();}, false);
var handlers = [
'copy', 'cut', 'paste',
'beforeunload', 'blur', 'change', 'click', 'contextmenu', 'dblclic...
How can I update window.location.hash without jumping the document?
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The problem is you are setting the window.location.hash to an element's ID attribute. It is the expected behavior for the browser to jump to that element, regardless of whether you "preventDefault()" or not.
One way to get around this is to prefix the hash wi...
How to unset a JavaScript variable?
I have a global variable in JavaScript (actually a window property, but I don't think it matters) which was already populated by a previous script but I don't want another script that will run later to see its value or that it was even defined.
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Connect different Windows User in SQL Server Management Studio (2005 or later)
... there a way in SQL Server Management Studio 2005 (or later) to change the Windows Authentication user (as you could in SQL Server 2000 and older)?
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