大约有 47,000 项符合查询结果（耗时：0.0455秒） [XML]
Detect If Browser Tab Has Focus
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onblur|.blur/onfocus|.focus "duplicate" calls
window losing focus through selection of alternate app, like word
This tends to be undesirable simply because, if you have a bank page open, and it's onblur event tells it to mask the page, then if you open calculator, you can't see the page anymore!
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Shortcuts in Objective-C to concatenate NSStrings
...%@", three, two, one]; technique seems the most elegant. It should be the selected answer.
– ekillaby
Feb 21 '14 at 19:39
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Adjust UIButton font size to width
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That looks to me it as the same as using Xcode IB selecting label and seting it to Autoshrink minimum font scale to 0.01
– Leo Dabus
Dec 4 '14 at 0:30
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jQuery event to trigger action when a div is made visible
...ns) {
alert('Attributes changed!');
});
var target = document.querySelector('#testdiv');
observer.observe(target, {
attributes: true
});
});
<div id="testdiv" style="display:none;">hidden</div>
<button id="show">Show hidden div</button>
<script type="tex...
How to prevent line-break in a column of a table cell (not a single cell)?
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You can apply this rule along with the nth child selector css-tricks.com/how-nth-child-works
– Zach Lysobey
Mar 14 '12 at 14:33
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How to debug PDO database queries?
...gt;setAttribute( PDO::ATTR_ERRMODE, PDO::ERRMODE_WARNING );
$db->query('SELECT *******');
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IEnumerable to string [duplicate]
...urer sequence, rather than a cast. Something like Enumerable.Range(65, 26).Select(i => (char)i);, this should avoid the chance for an optimized shortcut.
– Jodrell
Oct 28 '13 at 9:39
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S3 - Access-Control-Allow-Origin Header
...ence from Amazon about that. Pretty much, just go to your bucket, and then select "Properties" from the tabs on the right, open "Permissions tab and then, click on "Edit CORS Configuration".
Originally, I had < AllowedOrigin> set to *. Just change that asterisk to your URL, be sure to include ...
Error TF30063: You are not authorized to access … \DefaultCollection
...didn't work for me. I brought up the "Team Explorer" tab, clicked on the "Select Team Project" and it let me enter my new password.
– stephenbayer
Jun 30 '15 at 17:22
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Using querySelectorAll to retrieve direct children
..., your code could become:
let myDiv = getElementById("myDiv");
myDiv.querySelectorAll(":scope > .foo");
Note that in some cases you can also skip .querySelectorAll and use other good old-fashioned DOM API features. For example, instead of myDiv.querySelectorAll(":scope > *") you could just...