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Drop shadow for PNG image in CSS
...drop-shadow CSS filter for webkit, SVG for Firefox and DirectX filters for Internet Explorer 9-.
One step further is to inline the SVG, eliminating the extra request:
.shadowed {
-webkit-filter: drop-shadow(12px 12px 25px rgba(0,0,0,0.5));
filter: url("data:image/svg+xml;utf8,<svg heig...
Comparison of JSON Parser for Objective-C (JSON Framework, YAJL, TouchJSON, etc)
... updated version here psionides.jogger.pl/2010/12/12/… (spoiler: JSONKit wins).
– Kuba Suder
Dec 19 '10 at 16:22
2
...
Sleep in JavaScript - delay between actions
...ync/await/Promises:
(As of 1/2017, supported on Chrome, but not on Safari, Internet Explorer, Firefox, Node.js)
'use strict';
function sleep(ms) {
return new Promise(res => setTimeout(res, ms));
}
let myAsyncFunc = async function() {
console.log('Sleeping');
await sleep(3000);
cons...
-didSelectRowAtIndexPath: not being called
...d previously wired the delegate via the storyboard .... last one to set it wins.
– Oliver Dungey
Aug 6 '14 at 12:34
1
...
java.lang.NoClassDefFoundError: com/sun/mail/util/MailLogger for JUnit test case for Java mail
...om/sun/mail/util/PropUtil as well as Could not initialize class javax.mail.internet.InternetAddress errors.
– GlenPeterson
Jan 8 '16 at 19:58
1
...
What is the javascript MIME type for the type attribute of a script tag? [duplicate]
...firm that having <script type="application/javascript"> will fail in Internet Explorer.
– John Millikin
Oct 10 '08 at 2:23
...
how to find host name from IP with out login to the host
...hey will not match.
DNS is by far the most common and is used both on the internet (like google.com. A 216.58.218.142) and at home (mDNS/LLMNR), so here's how to perform a reverse DNS lookup: dig -x <address> (nslookup and host are simpler, provide less detail, and may even return different r...
Does :before not work on img elements?
... Chrome 10+
✓ Firefox 11+
✓ Opera 9.8+
✓ Safari
No support
⊗ Internet Explorer 8 / 9
Please test in other browsers
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How to display loading message when an iFrame is loading?
...irly decent (haven't tested it though):
Chrome >= 27
FireFox >= 30
Internet Explorer >= 9
Safari >= 5.1
html:
<iframe class="iframe-placeholder" src=""></iframe>
css:
.iframe-placeholder
{
background: url('data:image/svg+xml;charset=utf-8,<svg xmlns="http://www....
Get the index of the object inside an array, matching a condition
....log(index);
It's supported in Google Chrome, Firefox and Edge. For Internet Explorer, there's a polyfill on the linked page.
Performance note
Function calls are expensive, therefore with really big arrays a simple loop will perform much better than findIndex:
let test = [];
for (le...