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What are the differences in die() and exit() in PHP?
...ection. exit() doesn't close the connection.
die():
<?php
header('HTTP/1.1 304 Not Modified');
die();
?>
exit():
<?php
header('HTTP/1.1 304 Not Modified');
exit();
?>
Results:
exit():
HTTP/1.1 304 Not Modified
Connection: Keep-Alive
Keep-Alive: timeout=5, max...
How to convert a PNG image to a SVG? [closed]
...
There is a website where you can upload your image, and see the result.
http://vectormagic.com/home
But if you want to download your svg-image, you need to register.
(If you register, you get 2 images for free)
share
...
How do I auto-reload a Chrome extension I'm developing?
...npacked extensions using the extension's toolbar button or by browsing to "http://reload.extensions"
If you've ever developed a Chrome extension, you might have wanted to
automate the process of reloading your unpacked extension without the
need of going through the extensions page.
"E...
How to retrieve Request Payload
...rstand the situation correctly, you are just passing json data through the http body, instead of application/x-www-form-urlencoded data.
You can fetch this data with this snippet:
$request_body = file_get_contents('php://input');
If you are passing json, then you can do:
$data = json_decode($re...
What is an 'endpoint' in Flask?
...ses the above view. The user enters the following URL into their browser:
http://www.example.org/greeting/Mark
The job of Flask is to take this URL, figure out what the user wants to do, and pass it on to one of your many python functions for handling. It takes the path:
/greeting/Mark
...and ...
Expand div to max width when float:left is set
...
Hope I've understood you correctly, take a look at this: http://jsfiddle.net/EAEKc/
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<title>Content with Menu</title>
<style>
.content .left {
flo...
CSS: transition opacity on mouse-out?
...:hover {
zoom: 1;
filter: alpha(opacity=50);
opacity: 0.5;
}
Demo: http://jsfiddle.net/7uR8z/6/
If you don't want the transition to affect the mouse-over event, but only mouse-out, you can turn transitions off for the :hover state :
.item:hover {
-webkit-transition: none;
-moz-transiti...
What is a MIME type?
...pplication/pdf handler."
You'll most commonly find them in the headers of HTTP messages (to describe the content that an HTTP server is responding with or the formatting of the data that is being POSTed in a request) and in email headers (to describe the message format and attachments).
...
How to upload, display and save images using node.js and express [closed]
...relative to where your script is located, you can serve it this way:
const http = require("http");
const path = require("path");
const fs = require("fs");
const express = require("express");
const app = express();
const httpServer = http.createServer(app);
const PORT = process.env.PORT || 3000;
...
CSS: Set a background color which is 50% of the width of the window
... width: 50%;
height: 100%;
background-color: pink;
}
Example: http://jsfiddle.net/PLfLW/1704/
The solution uses an extra fixed div that fills half the screen. Since it's fixed, it will remain in position even when your users scroll. You may have to fiddle with some z-indexes later, to ...