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How to enable cross-origin resource sharing (CORS) in the express.js framework on node.js
...ss.errorHandler());
});
app.listen(8888);
console.log('express running at http://localhost:%d', 8888);
You could, of course, package the function up into a module so you can do something like
// cors.js
module.exports = function() {
return function(req, res, next) {
res.header("Access-Con...
Making a triangle shape using xml definitions?
...<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android" >
<item>
<rotate
android:fromDegrees="45"
android:toDegrees="45"
android:pivotX="-40%"
android:pivotY="87%" &...
Is it valid to define functions in JSON results?
...
No.
JSON is purely meant to be a data description language. As noted on http://www.json.org, it is a "lightweight data-interchange format." - not a programming language.
Per http://en.wikipedia.org/wiki/JSON, the "basic types" supported are:
Number (integer, real, or floating
point)
String (d...
Python debugging tips [closed]
...
http://pypi.python.org/pypi/pudb, a full-screen, console-based Python debugger.
Its goal is to provide all the niceties of modern GUI-based debuggers in a more lightweight and keyboard-friendly package. PuDB allows you to...
Nginx与Lua - 更多技术 - 清泛网 - 专注C/C++及内核技术
...的，但是出于效率的考虑，推荐安装LuaJIT。
shell> wget http://luajit.org/download/LuaJIT-<VERSION>.tar.gz
shell> tar zxvf LuaJIT-<VERSION>.tar.gz
shell> cd LuaJIT-<VERSION>
shell> make
shell> make install
因为安装在缺省路径，所以LuaJIT对应的lib，include均在/u...
Twitter Bootstrap vs jQuery UI? [closed]
...tarter templates into one great starter project. Check out the details at http://html5boilerplate.com/ and http://www.initializr.com/ Or to get started right away, go to http://www.initializr.com/, click the "Bootstrap 2" button, and click "Download It". This will give you all the js and css you ...
When should I use GET or POST method? What's the difference between them?
...
It's not a matter of security. The HTTP protocol defines GET-type requests as being idempotent, while POSTs may have side effects. In plain English, that means that GET is used for viewing something, without changing it, while POST is used for changing somethi...
JavaScript URL Decode function
...
Here's what I used:
In JavaScript:
var url = "http://www.mynewsfeed.com/articles/index.php?id=17";
var encoded_url = encodeURIComponent(url);
var decoded_url = decodeURIComponent(encoded_url);
In PHP:
$url = "http://www.mynewsfeed.com/articles/index.php?id=17";
$enco...
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
...