Technology Pearls

When you purchase a new Windows Phone device, after staring it when you Long Press the Windows Logo key, a message is popped up saying  Speech is off until your new language pack is installed . The required language pack for the speech service to recognize and read out the content  is not yet installed. There are some steps which you can follow to get rid of this error. Tap on the Windows Logo button and swipe right to access apps. Click on  settings. Click on   Speech. Click on  Speech Language  and a list of languages appears . Click on a language you want to install. A window will appear telling the details of language. Click on yes. Give your phone a restart.

When adding a reference of dll in Visual Studio, an error may occur on Windows 8: A reference to a higher version or incompatible assembly cannot be added to the project This is most probably due to unsafe downloaded content or the file being blocked by Windows.  You can get rid of it by simply right clicking the dll and click on properties, then click the unblock button. then click Ok. After doing this you can again add reference and this time you will not face any error. 

What is the best way to go about creating a program that would change the desktop wallpaper?  Here is a simple code in C# which let you change the desktop wallpaper programatically. 1. Create a Windows Form project using Visual Studio. 2. Paste this Code in Form1 class. 3. Change imageFileName variable by giving the path of your image file which you want to put as wallpaper. 4. Run the program. 5. Wohoo. Desktop Wallpaper Changed :)

To configure PTCL wifi router is not as such tricky but sometimes we feel it tough to configure it ourself. Here is simple step by step tutorial to configure the router in much better way. Step1:  Open web browser and type 192.168.1.1 and hit Enter Step2: Click on  Advanced setup  on the left side of setup page.  Step3: Click all the check boxes under the remove column and click on remove. Then click on Add button. Step4: Enter  0  in VPI and 103 in  VCI  and hit check on enable quality of service. Hit Next Step5: Click PPP over ethernet (PPPoE) , and select the encapsulation mode to  LLC/SNAP-BRIDGING. Hit Next Step6: Enter PTCL username and password. The username is commonly your PTCL landline number(without area code)/ mobile number on which you have your DSL connection. The Password for this however is ptcl . Type 1492 in MTU . Check other checkboxes as i...

When I was learning MVVM pattern, I tried to search many sites and blogs and found most of them explained the pattern in a complex manner. After some research, I digged down the very basic steps in MVVM pattern, and here I am trying to write an MVVM tutorial for  absolute beginners . Sample Application Address Book MVVM Example What is MVVM MVVM is a three-layer architectural pattern •Mostly used in Windows 8, WPF and Silverlight applications. •Used to separate presentation logic from business logic. MVVM makes it easier •For the developer and the front-ender to work on the same project. •Change the presentation layer at any point. •Extend the project with less difficulties. •Testing components • The View knows the ViewModel but the ViewModel does not know the View • You can very easily replace the View without affecting the ViewModel . • This is very useful in Developer/Designer teams where the Developer improves the ViewModel and the Designer ...