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Origin is not allowed by Access-Control-Allow-Origin
... need to enable CORS on the server (localhost:8080). Check out this site: http://enable-cors.org/
All you need to do is add an HTTP header to the server:
Access-Control-Allow-Origin: http://localhost:3000
Or, for simplicity:
Access-Control-Allow-Origin: *
Thought don't use "*" if your server...
What is an example of the simplest possible Socket.io example?
...id='messages'></ul>
</body>
</html>
app.js
var http = require('http'),
fs = require('fs'),
// NEVER use a Sync function except at start-up!
index = fs.readFileSync(__dirname + '/index.html');
// Send index.html to all requests
var app = http.createServer(func...
Hex representation of a color with alpha channel?
...
It looks like there is no hex alpha format: http://www.w3.org/TR/css3-color/
Anyway, if you use a CSS preprocessor like SASS then you can pass an hex to rgba:
background:
rgba(#000, 0.5);
And the preprocessor just converts the hex code to rgb automatically.
...
How to check file MIME type with javascript before upload?
...);
}
function getRemoteFileHeader(url, callback) {
var xhr = new XMLHttpRequest();
// Bypass CORS for this demo - naughty, Drakes
xhr.open('GET', '//cors-anywhere.herokuapp.com/' + url);
xhr.responseType = "blob";
xhr.onload = function() {
callback(url, xhr.response);
};
...
How to hide the title bar for an Activity in XML with existing custom theme
...st). In that file place the following code:
<resources xmlns:android="http://schemas.android.com/apk/res/android">
<style name="Theme.Default" parent="@android:style/Theme"></style>
<style name="Theme.NoTitle" parent="@android:style/Theme.NoTitleBar"></style>
...
Padding or margin value in pixels as integer using jQuery
...
You should be able to use CSS (http://docs.jquery.com/CSS/css#name). You may have to be more specific such as "padding-left" or "margin-top".
Example:
CSS
a, a:link, a:hover, a:visited, a:active {color:black;margin-top:10px;text-decoration: none;}
JS
...
Debugging JavaScript in IE7
...t:var firebug=document.createElement('script');firebug.setAttribute('src','http://getfirebug.com/releases/lite/1.2/firebug-lite-compressed.js');document.body.appendChild(firebug);(function(){if(window.firebug.version){firebug.init();}else{setTimeout(arguments.callee);}})();void(firebug);
See http:...
What is the performance of Objects/Arrays in JavaScript? (specifically for Google V8)
...ic links to recent changes to array manipulation may come in handy here:
http://code.google.com/p/v8/source/detail?r=10024
http://code.google.com/p/v8/source/detail?r=9849
http://code.google.com/p/v8/source/detail?r=9747
As a bit of extra, here's Array Pop and Array Push directly from V8's sourc...
Download large file in python with requests
...ften far bigger, and is expected to be different in every iteration.
See https://requests.readthedocs.io/en/latest/user/advanced/#body-content-workflow and https://requests.readthedocs.io/en/latest/api/#requests.Response.iter_content for further reference.
...
jQuery’s .bind() vs. .on()
...unction (types, data, fn) {
return this.on(types, null, data, fn);
}
http://james.padolsey.com/jquery/#v=1.7.2&fn=$.fn.bind
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