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How to dynamically create CSS class in JavaScript and apply?
...L = '.cssClass { color: #F00; }';
document.getElementsByTagName('head')[0].appendChild(style);
document.getElementById('someElementId').className = 'cssClass';
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When to favor ng-if vs. ng-show/ng-hide?
...Elements that are not in the DOM have less performance impact and your web app might appear to be faster when using ng-if compared to ng-show/ng-hide. In my experience, the difference is negligible. Animations are possible when using both ng-show/ng-hide and ng-if, with examples for both in the Angu...
Debugging Scala code with simple-build-tool (sbt) and IntelliJ
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For ordinary debugging in IntelliJ, you can use an Application run/debug configuration in the usual way, regardless of whether you're using sbt to compile your code.
To connect to your application running in Jetty, you'll need to create a Remote debug configuration. When yo...
Split list into multiple lists with fixed number of elements
... splitInner(Nil, xs, n).reverse
}
}
object ListSplitterTest extends App {
val res = ListSplitter.split(List(1,2,3,4,5,6,7), 2)
println(res)
}
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How would I create a UIAlertView in Swift?
...ass ViewController: UIViewController {
@IBAction func showAlertButtonTapped(_ sender: UIButton) {
// create the alert
let alert = UIAlertController(title: "My Title", message: "This is my message.", preferredStyle: UIAlertController.Style.alert)
// add an action (butto...
PHP: How to generate a random, unique, alphanumeric string for use in a secret link?
...uations where the quality of your randomness can affect the security of an application. In particular, rand() and uniqid() are not cryptographically secure random number generators. See Scott's answer for a secure alternative.
If you do not need it to be absolutely unique over time:
md5(uniqid(ra...
Android RatingBar change star colors [closed]
...Create your own LayerDrawable XML resources for the RatingBar, pointing to appropriate images to use for the bar. The original styles will point you to the existing resources that you can compare with. Then, adjust your style to use your own LayerDrawable resources, rather than built-in ones.
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Find mouse position relative to element
I want to make a little painting app using canvas. So I need to find the mouse's position on the canvas.
23 Answers
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How to uninstall Python 2.7 on a Mac OS X 10.6.4?
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Do not attempt to remove any Apple-supplied system Python which are in /System/Library and /usr/bin, as this may break your whole operating system.
NOTE: The steps listed below do not affect the Apple-supplied system Python 2.7; they only remove a thi...
Difference between shadowing and overriding in C#?
...'s usability really seems questionable! Is there any 'serious' open-source app using this?
– Jox
Dec 29 '08 at 15:49
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