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Create singleton using GCD's dispatch_once in Objective-C
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This is a perfectly acceptable and thread-safe way to create an instance of your class. It may not technically be a "singleton" (in that there can only ever be 1 of these objects), but as long as you only use the [Foo sharedFoo] method to access the objec...
jQuery change input text value
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this is by far and away the best thing on the internet: futurecolors.ru/jquery
– Jason
Apr 18 '11 at 21:53
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How to load a UIView using a nib file created with Interface Builder
...ccess to later. --MyView
2) in the UIViewController that you want to load and handle the nib, create an IBOutlet property that will hold the loaded nib's view, for instance
in MyViewController (a UIViewController subclass)
@property (nonatomic, retain) IBOutlet UIView *myViewFromNib;
(dont ...
Counting the number of option tags in a select tag in jQuery
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You can use either length property and length is better on performance than size.
$('#input1 option').length;
OR you can use size function like (removed in jQuery v3)
$('#input1 option').size();
$(document).ready(function(){
console.log($('#input1 op...
How to get innerHTML of DOMNode?
...of the element, without having to use saveHTML that will output html, head and body tags.
– CONvid19
May 18 '16 at 14:53
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How to move an iFrame in the DOM without losing its state?
...s related to the bounty by @djechlin
A lot of search on the w3/dom specs and didn't find anything final that specifically says that iframe should be reloaded while moving in the DOM tree, however I did find lots of references and comments in the webkit's trac/bugzilla/microsoft regarding different...
Maven2 property that indicates the parent directory
...roject.parent.basedir}</main.basedir>
</properties>
In the grandchildren:
<properties>
<main.basedir>${project.parent.parent.basedir}</main.basedir>
</properties>
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Javascript checkbox onChange
I have a checkbox in a form and I'd like it to work according to following scenario:
10 Answers
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How to keep onItemSelected from firing off on a newly instantiated Spinner?
...ple boolean flag would allow you to detect the rogue first selection event and ignore it.
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how to implement a long click listener on a listview
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The XML for each item in the list (should you use a custom XML) must have android:longClickable="true" as well (or you can use the convenience method lv.setLongClickable(true);). This way you can have a list with only some items responding to longclick.
Hope this will help you.
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