This sample shows how an AJAX browser application can receive asynchronous data notifications from a WCF service exposed using the HTTP polling duplex protocol that shipped in Microsoft Silverlight 3. The sample code contains a reusable, standalone JavaScript library (sl3duplex.js) which implements the client side of the polling duplex protocol. The full source code and Visual [...]

A potentially dangerous Request.Path value was detected from the client (?). Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.Web.HttpException: A potentially dangerous Request.Path value was detected from the client (?). Source [...] ...

There are many users reporting that Google Chrome doesn’t work with Microsoft latest operating system Windows 7 64 bit version. Here is solution to make Google Chrome Work on Windows 7 64 bit. Run Google Chrome on Windows 7 64 bit Version 1. Right Click on Google Chrome Icon 2. Add -in-process-plugins  after chrome.exe in Target field. It should look like this, 3. [...]

This is the most fundamental modules in many devices you already use today: the button.  It’s universally understood by users and easy to program.  There are currently two button modules available for Gadgeteer, one from GHI Electronics and one from Sytech.  Each offers a little something extra: an LED you can use as a status indicator or to [...]

When creating a Facebook application for Windows Phone, pretty much since the implementation of authentication, such as OAuth, is convenient to use the SDK. Public places, Http://  Previous versions are not compatible with Windows Phone 7.0, download the complete source code, open the solution file in VS for WP7, I had time to rebuild the OS version [...]

Microsoft’s SQL Server team yesterday(28 Nov 2011) announced the availability of a preview release of the SQL Server ODBC Driver for Linux, which allows native developers to access Microsoft SQL Server from Linux operating systems. For customers with native applications on multi-platform, the existing, reliable and enterprise-class ODBC for Windows driver (a.k.a. SQL Server Native [...]

To celebrate the launch on the new  Nokia WP7 the finish phone giant brought the Canadian techno music producer Deadmau5 (pronounced “dead mouse”), to the bank of the River Thames in London’s West End where they converted the 120-metre Millbank Tower into a huge 4d Music extravaganza. You can see some of the action in [...]

Learn to programme in C# over the course of 24 episodes, Bob Tabor will teach you the fundamentals of C# programming. Learn the skills and concepts applicable to video games, mobile environments, and client applications. The following tutorials and videos walk you through getting the tools, writing code, debugging features, customizations and much more! Each [...]

Cambridge University demonstrate inkjet-printed graphene electronics Inks augmented with graphene polymer to overcome traditional shortcomings of printed electronics. Students at the University of Cambridge have managed to overcome the typical issues with inkjet-printed electronics by augmenting the polymers with graphene, the “wonder-material of the moment”, reports the MIT-published Technology Review. Traditional inkjet printed electronics, including digital [...] ...

The future of technology in education means many things to many different people. eBooks, natural user interfaces, touch screens, gaming in education and the consumerisation of IT are all themes that are voiced when the topic comes up for debate. A hot topic, for sure!

Microsoft HoloDesk 3D: The Latest In Desktops The 3D rendered scene is then displayed through a half silvered mirror and this allows people to reach under the mirror and interact with the projected 3D objects in various ways. Did I lose you at the Holodesk point? If so, then take a hop, skip and jump [...]

Let’s say someone has posted a picture from Facebook on another site such as using the Facebook URL (hotlinking.) Here is how you find the profile where that picture came from: 1. Find the URL of the image. If you don’t know how, right click on the image -> View Image 2. Open a new [...]

I recently got an Android mobile development project and was really interested in writing the application. After downloading the Android SDK as well as the 32-bit Java SDK I got it all installed and running the sample apps with Eclipse and browsed around the code. Firstly, I wasn’t really too keen on getting into another development environment. Secondly, I really didn’t want to do [...] ...

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