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How can I check if a background image is loaded?
...ion along with it's event listener:
Short version:
const imageUrl = "https://www.google.com/images/branding/googlelogo/1x/googlelogo_color_272x92dp.png";
let bgElement = document.querySelector("body");
let preloaderImg = document.createElement("img");
preloaderImg.src = imageUrl;
preload...
How can I limit possible inputs in a HTML5 “number” element?
...pt>
// This is an old version, for a more recent version look at
// https://jsfiddle.net/DRSDavidSoft/zb4ft1qq/2/
function maxLengthCheck(object)
{
if (object.value.length > object.maxLength)
object.value = object.value.slice(0, object.maxLength)
}
</script>
Update...
get all keys set in memcached
... (it's Redis, but very similar approach)
Check other available commands at https://memcached.org/wiki
Check out the protocol.txt docs file.
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Check whether HTML element has scrollbars
..., padding and width. Client width includes padding and width. Please see:
https://developer.mozilla.org/en/DOM/element.offsetWidth (second image)
https://developer.mozilla.org/en/DOM/element.clientWidth (second image)
You need to check:
Whether or not the element has overflow set to auto/scroll ...
Facebook share button and custom text [closed]
... method: 'feed',
name: 'Facebook Dialogs',
link: 'https://developers.facebook.com/docs/dialogs/',
picture: 'http://fbrell.com/f8.jpg',
caption: 'Reference Documentation',
description: 'Dialogs provide a simple, consistent interface for app...
REST authentication and exposing the API key
... source. Instead, a regular browser can only load it using <script src="https://our-api.com/get-csrf-token.js?apiKey=abc123"> (or a dynamic equivalent), and will then run the code. Of course, your server should not support Cross-Origin Resource Sharing nor JSONP for the generated JavaScript.
A...
Symfony2 : How to get form validation errors after binding the request to the form
...y 2.5 / 3.0:
$string = (string) $form->getErrors(true, false);
Docs:
https://github.com/symfony/symfony/blob/master/UPGRADE-2.5.md#form
https://github.com/symfony/symfony/blob/master/UPGRADE-3.0.md#form (at the bottom: The method Form::getErrorsAsString() was removed)
...
How to efficiently compare two unordered lists (not sets) in Python?
...
https://docs.python.org/3.5/library/unittest.html#unittest.TestCase.assertCountEqual
assertCountEqual(first, second, msg=None)
Test that sequence first contains the same elements as second, regardless of their order. When t...
AngularJS access parent scope from child controller
...ope.pc.cities;
vm.parentCities = vm.cities;
}
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.20/angular.min.js"></script>
<div ng-app ng-controller="ParentCtrl as pc">
<div ng-controller="ChildCtrl as cc">
<pre>{{cc.parentCities |...
UIWebView open links in Safari
...
any idea how to do this ONLY with URLS that have https:// http:// or mailto:? using swift? Question here needs a swift answer! stackoverflow.com/questions/2532453/…
– Jed Grant
Jun 2 '15 at 16:31
...