AWS Instance Automated AMI Creation & Deletion System

UPDATE: 14 JUN 2017 – In step 5 below, please do select 5 minutes timeout for the script. We did have a few issues for users who had a lot of instances taking over the standard 2 minutes for the script to run. Just a quick blog post to link our new Github script on automated […]

How to setup your own private, secure, free* VPN on the Amazon AWS Cloud in 10 minutes

UPDATE: 1st May 2018, new L2TP system is used which is more reliable. YAML configuration is used going forward instead of JSON. You can read more about it on our webdigi github page. NOTICE: 2nd June 2017, we had comments from a few users that some new AWS accounts take a few hours before the account […]

Takeaways from the Parse Developer Day Conference 2013

Parse is an app development platform for the cloud that held its first developer’s conference on September 2013 in San Francisco, California. Parse had recently been bought by Facebook, and so far promises to be a major contender in the app development arena.

If you wanted to attend the conference but missed it, you can still get the key points and see some of the presentations. 23 people presented, most of them from Parse with one from Stripe and two from Microsoft.

A single kill switch for 90% of the top ten websites

There are hundreds of domain name registrars you can choose to register your website domain name with. EG: Gandi, Namecheap, Godaddy to name a few popular ones. However, we recently had a couple of clients who use markmonitor as their domain name registrar. Looking around on markmonitor website and searching through the whois records revealed […]

Using a mobile device to control a game on your browser

Accelerometer support is available in Mobile Safari and all new android devices. This enables the browser to sense movement, speed and direction with Javascript on mobile & tablet devices. If we push the movement data from the mobile device instantly through a nodejs server to a browser, then we can control a game on the browser. This is […]

Retain leading zero in CSV

Most web applications at some point will have some sort of an export data feature to get data out of the database in some csv or excel format. CSV is probably the simplest to generate on the fly from PHP and other server side scripting languages. However, I had a particular issue where leading zeros […]

Run PHP on the Google App Engine

Google launched their Google App Engine (GAE) a year ago. The free hosting in App Engine is allocated 500 MB of persistent storage and enough CPU and bandwidth for about 5 million page views a month. Also, if you really want more you can see pricing plans. GAE will support Java going forward. Unfortunately PHP support on the […]

Avoid Javascript blocking content download on your website during page load

Around 80% of the end-user response time is spent on the front-end. A fair share of this time is spent on downloading components of the page like scripts, Flash, stylesheets, images etc.  Javascript takes majority of the loading time of a webpage because scripts block parallel downloading and rendering in the page. Even if you do not have […]

Reddit vs Digg – A collaborative test for users.

I recently decided to run a test to see how well users can collaborate using social bookmarking sites like reddit & digg. This was assuming that users will collaborate and can accomplish something together! How the test works 1) Each visitor to the site will be given any ONE random letter of a phrase (one per […]

Google store does not use google checkout instead uses Worldpay

The Official Google Store which sells a range of Google labelled products doesn’t use Google Checkout for credit card processing but instead uses Worldpay. Google Store uses Oscommerce (popular open source PHP ecommece store management program) and free open source plugins are available to integrate google checkout with oscommece in minutes (eg: I wonder why […]