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How to get all options of a select using jQuery?
How can I get all the options of a select through jQuery by passing on its ID?
17 Answers
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jQuery: checking if the value of a field is null (empty)
...options for your user whose <option>s will come from some sort of validation.
– Malcolm Salvador
Aug 1 '17 at 3:18
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INSERT … ON DUPLICATE KEY (do nothing)
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Yes, use INSERT ... ON DUPLICATE KEY UPDATE id=id (it won't trigger row update even though id is assigned to itself).
If you don't care about errors (conversion errors, foreign key errors) and autoincrement field exhaustion (it's incremented even if the row is not ins...
Removing Data From ElasticSearch
...asticsearch.
Using cURL
curl -XDELETE localhost:9200/index/type/documentID
e.g.
curl -XDELETE localhost:9200/shop/product/1
You will then receive a reply as to whether this was successful or not. You can delete an entire index or types with an index also, you can delete a type by leaving out...
How can I reverse a NSArray in Objective-C?
...ing category to your code:
@implementation NSMutableArray (Reverse)
- (void)reverse {
if ([self count] <= 1)
return;
NSUInteger i = 0;
NSUInteger j = [self count] - 1;
while (i < j) {
[self exchangeObjectAtIndex:i
withObjectAtIndex:j];
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Padding between ActionBar's home icon and title
... definition, for instance like this in res/style.xml:
<item name="android:actionBarStyle">@style/MyActionBar</item>
<style name="MyActionBar" parent="@android:style/Widget.Holo.Light.ActionBar">
<item name="android:background">#3f51b5</item>
<item n...
Best practice using NSLocalizedString
...ustom code to handle localization, meaning you will have to use it. That said, a little tooling can help, here is how I proceed:
Updating the strings file
genstrings overwrites your string files, discarding all your previous translations.
I wrote update_strings.py to parse the old strings file, ru...
How do you force Visual Studio to regenerate the .designer files for aspx/ascx files?
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This just worked for me too. Not ideal. No idea why the original desginer file stopped updating properly.
– Iain Holder
Oct 29 '08 at 10:16
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jQuery object equality
...t, eg:
var a = $('#foo');
var b = a;
...then you can check their unique IDs. Every time you create a new jQuery object it gets an id.
if ($.data(a) == $.data(b)) {
// the same object!
}
Though, the same could be achieved with a simple a === b, the above might at least show the next develop...
angular ng-repeat in reverse
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This filter can be customized to fit your needs as seen fit. I have provided other examples in the demonstration. Some options include checking that the variable is an array before performing the reverse, or making it more lenient to allow the reversal of more things such as strings.
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