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How do I trigger the success callback on a model.save()?
...is correctly posted to the server which handles the save, but the success callback is not fired. Do I need to send something back from the server ?
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How can I count occurrences with groupBy?
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TWiStErRob
36.9k2020 gold badges141141 silver badges215215 bronze badges
answered Aug 22 '14 at 6:55
Jon SkeetJon Skeet
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How do I hide a menu item in the actionbar?
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Get a MenuItem pointing to such item, call setVisible on it to adjust its visibility and then call invalidateOptionsMenu() on your activity so the ActionBar menu is adjusted accordingly.
Update: A MenuItem is not a regular view that's part of your layout. Its som...
Javascript: formatting a rounded number to N decimals
...9999998.toFixed(4) correctly returns 1.0245.
– Matt Ball
Mar 13 '12 at 14:40
3
@MarkTomlin: Then ...
Can I install/update WordPress plugins without providing FTP access?
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answered Apr 13 '11 at 13:25
stereoscottstereoscott
12.7k44 gold badges3030 silver badges3333 bronze badges
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PHP: How to remove specific element from an array?
...tiple items with the same value, you can use array_keys to get the keys to all items:
foreach (array_keys($array, 'strawberry') as $key) {
unset($array[$key]);
}
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Overriding a JavaScript function while referencing the original
...tioned in the comments, be sure to include the () at the end. You want to call the outer function and store the result (one of the two inner functions) in a, not store the outer function itself in a.
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Moment js date time comparison
...hen use:
moment(theStringToParse).utc()
Or perhaps you don't need it at all. Just because the input value is in UTC, doesn't mean you have to work in UTC throughout your function.
You seem to be getting the "now" instance by moment(new Date()). You can instead just use moment().
Updated
Bas...
PHP PDO: charset, set names?
...s is probably the most elegant way to do it.
Right in the PDO constructor call, but avoiding the buggy charset option (as mentioned above):
$connect = new PDO(
"mysql:host=$host;dbname=$db",
$user,
$pass,
array(
PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
PDO::MYSQL_ATTR_INIT...
How to detect if URL has changed after hash in JavaScript
...hange event on window.
In some old browsers, you need a timer that continually checks location.hash. If you're using jQuery, there is a plugin that does exactly that.
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