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Requests — how to tell if you're getting a 404
...status_code attribute:
if r.status_code == 404:
# A 404 was issued.
Demo:
>>> import requests
>>> r = requests.get('http://httpbin.org/status/404')
>>> r.status_code
404
If you want requests to raise an exception for error codes (4xx or 5xx), call r.raise_for_sta...
Preloading CSS Images
...l(img1.png) url(img2.png) url(img3.gif) url(img4.jpg); // load images
}
Demo
it's better to use a sprite image to reduce http requests...(if there are many relatively small sized images) and make sure the images are hosted where HTTP2 is used.
...
Is there a way to break a list into columns?
...created a library which does that - https://github.com/yairEO/listBreaker
Demo page
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Split string based on regex
...gest
l = re.compile("(?<!^)\s+(?=[A-Z])(?!.\s)").split(s)
Check this demo.
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How to allow only numeric (0-9) in HTML inputbox using jQuery?
...lue); // Allow digits only, using a RegExp
});
});
See the JSFiddle demo for more input filter examples. Also note that you still must do server side validation!
Pure JavaScript (without jQuery)
jQuery isn't actually needed for this, you can do the same thing with pure JavaScript as well. S...
How to disable anchor “jump” when loading a page?
... work? I'm not sure if I understand the question correctly - do you have a demo page? You could try:
if (location.hash) {
setTimeout(function() {
window.scrollTo(0, 0);
}, 1);
}
Edit: tested and works in Firefox, IE & Chrome on Windows.
Edit 2: move setTimeout() inside if block, prop...
How to get client's IP address using JavaScript?
....textContent = ip;
ul.appendChild(li);
}
findIP(addIP);
<h1> Demo retrieving Client IP using WebRTC </h1>
what is happening here is, we are creating a dummy peer connection, and for the remote peer to contact us, we generally exchange ice candidates with each other. And re...
Get the current URL with JavaScript?
...o an anchor (#), while window.location.href does. I've put together a live demo here: jsfiddle.net/PxgKy I didn't test any other versions of Firefox. No issues using document.URL were found in Chrome 20 and IE9.
– Telmo Marques
Jul 7 '12 at 16:26
...
How to debug Angular JavaScript Code
...f Chrome and it does not work.)
Here is the the link for a description and demo:
Introduction of Angular JS Batarang
Download Chrome plugin from here: Chrome plugin for debugging AngularJS
You can also use ng-inspect for debugging angular.
2. Firefox
For Firefox with the help of Firebug you can debu...
Css pseudo classes input:not(disabled)not:[type=“submit”]:focus
...m to have mixed up/missing colons and parentheses on the :not() selector.
Demo: http://jsfiddle.net/HSKPx/
One thing to note: I may be wrong, but I don't think disabled inputs can normally receive focus, so that part may be redundant.
Alternatively, use :enabled
input:enabled:not([type="submit"]...