大约有 37,000 项符合查询结果（耗时：0.0569秒） [XML]
how does Array.prototype.slice.call() work?
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880
+50
What happ...
How to get a variable name as a string in PHP?
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edited Nov 1 '08 at 1:11
answered Nov 1 '08 at 0:42
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jQuery - setting the selected value of a select control via its text description
...1/jquery.min.js"></script>
<select>
<option value="0">One</option>
<option value="1">Two</option>
</select>
jQuery versions below 1.6 and greater than or equal to 1.4
var text1 = 'Two';
$("select option").filter(function() {
//ma...
How to check if a file exists in the Documents directory in Swift?
...archPathForDirectoriesInDomains(.documentDirectory, .userDomainMask, true)[0] as String
let url = NSURL(fileURLWithPath: path)
if let pathComponent = url.appendingPathComponent("nameOfFileHere") {
let filePath = pathComponent.path
let fileManager = FileManager.default
...
How do I parse a URL query parameters, in Javascript? [duplicate]
...).forEach(function(part) {
var item = part.split("=");
result[item[0]] = decodeURIComponent(item[1]);
});
return result;
}
actually it's not that simple, see the peer-review in the comments, especially:
hash based routing (@cmfolio)
array parameters (@user2368055)
proper use of decod...
django-debug-toolbar not showing up
...t won't load unless it's True.
If it's still not working, try adding '127.0.0.1' to INTERNAL_IPS as well.
UPDATE
This is a last-ditch-effort move, you shouldn't have to do this, but it will clearly show if there's merely some configuration issue or whether there's some larger issue.
Add the foll...
Resize HTML5 canvas to fit window
...indow.innerHeight;
//...drawing code...
}
CSS
html, body {
width: 100%;
height: 100%;
margin: 0;
}
Hasn't had any large negative performance impact for me, so far.
share
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improve this...
What is the “continue” keyword and how does it work in Java?
... placeholder in order to make an empty loop body more clear.
for (count = 0; foo.moreData(); count++)
continue;
The same statement without a label also exists in C and C++. The equivalent in Perl is next.
This type of control flow is not recommended, but if you so choose you can also use cont...
Show loading image while $.ajax is performed
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answered Jan 13 '11 at 20:14
Zack BloomZack Bloom
7,83922 gold badges1616 silver badges2626 bronze badges
...
Representing null in JSON
...ar json1 = '{}';
var json2 = '{"myCount": null}';
var json3 = '{"myCount": 0}';
var json4 = '{"myString": ""}';
var json5 = '{"myString": "null"}';
var json6 = '{"myArray": []}';
console.log(JSON.parse(json1)); // {}
console.log(JSON.parse(json2)); // {myCount: null}
console.log(JSON.parse(json3));...