Aaron Wardle
Mobile & Web Software Developer
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Monthly: October, 2009

Calc VAT Mentioned in IT Pro Online

admin October 14, 2009 iPhone App Talk 2 Comments

This morning we discovered that IT Pro has mentioned Calc VAT in their news section Top 5 Android, Blackberry and iPhone apps.

This is great news for Calc VAT and we are looking forward to many other new online sources to link back to us and review us as a top business application for the iPhone.

iPhone SDK Hello World Tutorial

admin October 4, 2009 Tutorials No Comments

This morning I have uploaded my very first screen cast tutorial to YouTube which shows you how to create a basic iPhone Hello World application.

You will have to excuse my croaky voice and long pauses a couple of times during the video, during the tutorial I will be showing you how to:

  • Add IBOutlet to your view controller header class
  • Create an IBAction to receive a button click event
  • Output to the screen the result of what was typed in the UITextField
  • How to make sure the UITextField closes when the done button is clicked.

We even have some compilation errors during the build which I show how to correct.

Watch this Video in HD on YouTube

So there you have it my very first video, these will improve over time if you have any comments or suggestions of what you would like to see in the future just let me know.

IIS6 Preventing Content Leeching

admin October 3, 2009 Website Talk No Comments

Today I was looking through one of my websites raw log files and noticed that a couple of websites are using my site images directly on their website.

Content linking adds unnecessary traffic to your website and you never get the full credit from the visitor looking at the images, in particular the site where I have all these images is a site which earns me a small amount of money from AdSense adverts and sales of my Colouring Book application.

Luckily on the One Smart Host servers we utilise ISAPI Rewrite V3 so blocking this type of content linking is very easy.

I simply added the following to my websites .htaccess file

RewriteEngine on

RewriteCond %{HTTP:Host}#%{HTTP:Referer} ^([^#]+)#(?!http://\1).+
RewriteRule .*\.(?:gif|jpg|png) /blocked.png [NC]

This basically only allows images to be served up from my domain www.kidscd.co.uk and if a content link is detected from another domain they are directed to the blocked.png which I have uploaded.

Have a look at the site which is linking directly to my images if you scroll half way down you should see this:

Content Linking Blocked Image

This image will now be displayed to any sites which content link directly to my images on www.kidscd.co.uk

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