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What is the JavaScript version of sleep()?
...ion was asked, JavaScript has evolved significantly. All other answers are now obsolete or overly complicated. Here is the current best practice:
function sleep(ms) {
return new Promise(resolve => setTimeout(resolve, ms));
}
async function demo() {
console.log('Taking a break...');...
XAMPP, Apache - Error: Apache shutdown unexpectedly
...PP, and when I try to start my Apache server in the XAMPP Control Panel, I now get the following errors:
50 Answers
...
jQuery AJAX file upload PHP
... display response from the PHP script, if any
}
});
});
And now for the server-side script, using PHP in this case.
upload.php: a PHP script that runs on the server and directs the file to the uploads directory:
<?php
if ( 0 < $_FILES['file']['error'] ) {
echo 'Er...
jQuery hasClass() - check for more than one class
...
Just now noticed that I have 4 id="hello" elements there. Fixed version in order to make validators happy: jsbin.com/uqoku/2/edit
– Matchu
Feb 6 '10 at 22:38
...
Use of .apply() with 'new' operator. Is this possible?
...or even
// return new (Cls.bind.apply(Cls, arguments));
// if you know that Cls.bind has not been overwritten
}
It can be used as follows:
var s = newCall(Something, a, b, c);
or even directly:
var s = new (Function.prototype.bind.call(Something, null, a, b, c));
var s = new (Function.pro...
How to save picture to iPhone photo library?
...
You will now need to add 'Privacy - Photo Library Additions Usage Description' as of iOS 11 to save photos the users album.
– horsejockey
Nov 1 '17 at 15:26
...
WebSocket with SSL
... So, what's the solution? I've a WS server running over http now I bought an SSL and browser no more allow me to connect with WS. I turned WS to WSS:// and now its not connecting with WebSocket
– muaaz
Jan 1 '16 at 6:30
...
How do I test if a variable is a number in Bash?
... such contexts, you don't need to shopt extglob... that's a good thing to know!
– gniourf_gniourf
Feb 13 '15 at 19:49
...
Convert a string representation of a hex dump to a byte array using Java?
... to add argument checking via assert or exceptions if the argument is not known to be safe.
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C++ where to initialize static const
... stricly speaking the above example is correct if there is no other code. Now I do appreciate your comment (+1), I'm still learning things myself! So I'll try and clarify that point in the answer, please let me know if it's better...
– squelart
Apr 9 '10 at 12...