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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
...
Is it possible to implement dynamic getters/setters in JavaScript?
...
2013 and 2015 Update (see below for the original answer from 2011):
This changed as of the ES2015 (aka "ES6") specification: JavaScript now has proxies. Proxies let you create objects that are true proxies for (facades on) ot...
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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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
...
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...
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...
Create unique constraint with null columns
... |
edited Feb 21 '19 at 3:06
answered Nov 27 '11 at 21:34
E...
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));...
How do I convert a String object into a Hash object?
... => Object.new}, then its string representation is "{:a=>#<Object:0x7f66b65cf4d0>}", and I can't use eval to turn it back into a hash because #<Object:0x7f66b65cf4d0> isn't valid Ruby syntax.
However, if all that's in the hash is strings, symbols, numbers, and arrays, it should wo...