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Auto start node.js server on boot
...gh a Windows Service.
There's this super easy module that installs a node script as a windows service, it's called node-windows (npm, github, documentation). I've used before and worked like a charm.
var Service = require('node-windows').Service;
// Create a new service object
var svc = new Servi...
What is the meaning of polyfills in HTML5?
...
A polyfill is a browser fallback, made in JavaScript, that allows functionality you expect to work in modern browsers to work in older browsers, e.g., to support canvas (an HTML5 feature) in older browsers.
It's sort of an HTML5 technique, since it is used in conjunctio...
Slide right to left?
...C/942/
Use it with easing ;)
http://jsfiddle.net/XNnHC/1591/
Extra JavaScript codes removed.
Class names & some CSS codes changed
Added feature to find if is expanded or collapsed
Changed whether use easing effect or not
Changed animation speed
http://jsfiddle.net/XNnHC/1808/
...
How do I sort unicode strings alphabetically in Python?
... set up than PyICU which relies on an external C library.
I uploaded the script to github as the original was down at the time of this writing and I had to resort to web caches to get it:
https://github.com/href/Python-Unicode-Collation-Algorithm
I successfully used this script to sanely sort Ge...
How to change the opacity (alpha, transparency) of an element in a canvas element after it has been
...ve handy:
<!DOCTYPE HTML>
<html>
<head>
<script>
var canvas;
var context;
var ga = 0.0;
var timerId = 0;
function init()
{
canvas = document.getElementById("myCanvas");
...
MongoDb query condition on comparing 2 fields
...can use a $where. Just be aware it will be fairly slow (has to execute Javascript code on every record) so combine with indexed queries if you can.
db.T.find( { $where: function() { return this.Grade1 > this.Grade2 } } );
or more compact:
db.T.find( { $where : "this.Grade1 > this.Grade2" } );...
Convert decimal to hexadecimal in UNIX shell script
In a UNIX shell script, what can I use to convert decimal numbers into hexadecimal? I thought od would do the trick, but it's not realizing I'm feeding it ASCII representations of numbers.
...
Difference between `npm start` & `node app.js`, when starting app?
...
From the man page, npm start:
runs a package's "start" script, if one was provided.
If no version is specified, then it starts the "active" version.
Admittedly, that description is completely unhelpful, and that's all it says. At least it's more documented than socket.io.
An...
Return value in a Bash function
I am working with a bash script and I want to execute a function to print a return value:
9 Answers
...
How do I empty an array in JavaScript?
...o 0. Some have argued that this may not work in all implementations of JavaScript, but it turns out that this is not the case. It also works when using "strict mode" in ECMAScript 5 because the length property of an array is a read/write property.
Method 3 (as suggested by Anthony)
A.splice(0,A.le...