April 2013

How to use your own domain name for feedburner feed urls

When you create a feed your your wordpress blog you get a url of the form http://feeds.feedburner.com/feedid. You can change feeds.feedburner.com to your own domain. It read more

How to create rss feed for wordpress blog on Google feedburner

When you install wordpress you automatically get feed or rss setup at url /feed/ (or /rss/). It seems to be a good option to continue read more

How to change default system voice for text-to-speech on Mac

Mac lets you convert text to speech and play it. It can be done in many applications (Chrome, Firefox and other browsers, textedit, etc.) by read more

How to convert text to speech on Mac using command line utility say

Mac lets you convert text to speech using command line utility “say”. It also lets to generate an audio file in various formats and voices. read more

AWS EBS and reliability/durability

EBS stands for Elastic Block Store and it provides block level storage volumes for use with Amazon EC2 instances. Amazon EBS volumes are designed to be highly read more

How to upload closed captions for your youtube video

YouTube automatically generates caption for the video a publisher has uploaded on YouTube. But these captions may not be very good depending upon the accent read more

How to create youtube video link from a specific start time

Youtube video link looks something like this: http://www.youtube.com/watch?v=gdXN0DXMd6Y and when you open it in any browser, it starts from the beginning. Youtube also lets you create a read more

How to become Google verified author of your wordpress blog using Google+ profile

[Update: Authorship is no longer supported by google. You may also want to visit Google rich snippet documentation.] Google displays author information in search results read more

Ssh automation on Amazon EC2 Ubuntu Linux

When you create Amazon EC2 instance, you are given a RSA private key to access the instance. On Ubuntu Linux the key is for default read more

How to locally override website domain (or hostname) to IP mapping

When we browse a web site, the browser first do a DNS lookup to find the IP address of the domain name. We can override read more

How to find recursion stack growth direction using C code

In a Linux (or other Operating System) process when a subroutine is called, the memory for local variables comes from stack area of the process. read more

How to set different HTTP Expire Header for multiple images of same type

HTTP expire header can be used to set a expiry time for an image, css or any other content type. The browser does not fetch read more

How to install ViewVC for svn repository on Ubuntu Linux

ViewVC is a browser interface for cvs and subversion version control repositories. If you are using svn then its a great tool to browse your read more

How to migrate your site from one domain to another

Migrating a site from one domain to another can be a daunting task. But if we create a clear plan then it is a manageable task. read more

How to setup ssl (https) for your site on Ubuntu Linux

You may need ssl for your site for multiple reasons. I needed it for facebook apps. So my requirements are not so strict. For building read more

How to create facebook page username for vanity url

Facebook username for vanity url is the name you get for your page which appears after “https://www.facebook.com/”. Having a username for your page makes it easier read more

How to setup svn repository on AWS Ubuntu Linux with apache simple auth

Svn (Subversion) is one of the popular options for maintaining source code versions and revisions on Linux. Here are the steps to install and setup read more

Review of Haxe nme for cross platform mobile games development

Haxe NME is a very powerful open source game and app development platform written in haxe programming language. It can be used for mobile game read more

How to use ssh port forwarding to surf a site from different location

Sometimes we want to access a web site from a different location or ip to see how various things appear on the site. There can read more

How to monitor 404 pages on your site

One of the main activity a webmaster has to perform is to monitor and fix 404 pages (not found pages) on the web sites. When read more

how to prevent a facebook app from posting on your wall

Often we install many facebook apps and later find out that these apps start posting to our wall without asking us. At the time of read more

ApacheBench (ab) – how to load test a web site

ApacheBench (ab) is a very handy webserver benchmarking tool which can be run from command line. It is extremely simple to use. A quick outcome read more

How to create and use color palettes in Inkscape

It is a quick tutorial on using color palettes (or swatches) and later creating our own custom palettes in Inkscape. Inkscape is a vector graphics read more

How to use wordpress facebook plugin comments box with lazy loading

WordPress facebook plugin lets you embed facebook comment box in your posts and pages along with many other features. One biggest benefit of facebook comment box read more

How to use Google custom search with lazy loading approach

If you have Google adsense account then you can use Google custom site search for your website. I’m using it on a wordpress site but read more

How to use w3 total cache for wordpress

W3 total cache by Frederick Townes is probably the best wordpress cache plugin. Setting it up for best outcome can take sometime. But once you get read more

How to and why disable wordpress cron

WordPress crons are different from traditional Linux or Windows crons. Traditional cron runs as independent processes at regular interval. WordPress crons are php hooks which read more

Detect mobile from user agent

How to make best use of Alexa

Alexa is a powerful tool for getting high level insight into any website. It can be used to research websites related to a specific topic read more

How to use dropbox as mini webserver

Dropbox can serve files in the Public Folder (and other folders as well) over http. To view the file over http users don’t need to read more

How to select a domain name for your site

Almost all of us spend a great deal of time deciding what domain to use for our site or venture. Moreover once you pick a read more

Comic strip – Video ads and recursion

How to remove urls from Google index using webmaster tools

Many times you want to remove urls from google index. There can be many reasons for doing that. Some of the reasons are: A page read more

Verify a web site in google search console (webmaster tools)

Google provides extremely useful Search console (webmaster tools) to perform various activities and view stats of your web site. Here are some reasons why you read more

Traceroute outcome from Bangalore to AWS Virginia and California

I recently noticed that my site (http://infoheap.com/) which was hosted on AWS North Virginia data center was very slow. I was accessing it from Airtel read more

How to display text on image

Css position can be used to place a text over an image. This can used to place some text like alpha or beta over a read more

How to use chrome developer tool to edit and debug css

Google Chrome Browser has powerful developer tools to debug css on any web page. It can also be used to quickly make minor changes in read more