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How to access the content of an iframe with jQuery?
...f the iframe content is from the same domain, prior to trying to access it and getting an error?
– Kamafeather
Aug 5 '16 at 9:18
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NSUserDefaults removeObjectForKey vs. setObject:nil
...m not positive.
To completely remove a value for a key use UserDefaults.standard.removeObject(forKey: "YourDefault")
I tested with the following code:
UserDefaults.standard.set(["a", "b", "c"], forKey: "MyDefaults")
print("Test A: My saved defaults \(UserDefaults.standard.object(forKey: "MyDefaul...
Is SecureRandom thread safe?
Is SecureRandom thread safe? That is, after initializing it, can access to the next random number be relied on to be thread safe? Examining the source code seems to show that it is, and this bug report seems to indicate that its lack of documentation as thread safe is a javadoc issue. Has anyone...
jQuery append() vs appendChild()
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The main difference is that appendChild is a DOM method and append is a jQuery method. The second one uses the first as you can see on jQuery source code
append: function() {
return this.domManip(arguments, true, function( elem ) {
if ( this.nodeType === 1 || this.nod...
vertical alignment of text element in SVG
...but it was off screen, so I used a CSS rule "alignment-baseline: hanging", and it did exactly what I was looking for, text at highest point in the SVG container, without a single pixel being offscreen.
– R. Hill
Apr 12 '13 at 15:06
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Overflow to left instead of right
...e number as the user types it. The text inside the div is aligned to right and incoming characters are added to right as the text grows to left.
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How to detect page zoom level in all modern browsers?
I need this because some of my calculations are pixel-based and they may fluctuate when zoomed.
28 Answers
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How to detect Adblock on my website?
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My solution is not specific to a certain ad network and is very lightweight. I've been running it in production for a few years. AdBlock blocks all URLs containing the word "ads" or "prebid". So this is what I did:
I added a small js file to my webroot with the name prebid-ads...
How to find a parent with a known class in jQuery?
... Very helpful. I always use to do $(this).parent().parent().parent() and i knew there was a better solution.
– Wang'l Pakhrin
Dec 8 '17 at 16:45
add a comment
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jQuery equivalent of getting the context of a Canvas
... ensure you don't try calling the canvas element before it's fully created and registered to the DOM.
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