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Archives for February 2013

How to set photos as screensaver on Windows 8

February 11, 2013 By Ravi Shankar 1 Comment

Windows 8 allows user to display photos in the system as screensaver using the option available as part of Windows Personalization.

Step 1: Click the Personalisation option under the Windows 8 settings.

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You can also launch Personalisation window by right clicking on the desktop.

Step 2: In the Personalisation window, click the Screen Saver option available at the bottom of the window.

image

Step 3: In the Screen Saver Settings, set Photo Gallery for the Screen saver drop down.

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If you want to customize the display of Photo Gallery then click the Settings button.

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Using Photos Gallery Screen Saver Settings window, you can specify whether all photos and videos Photo Gallery or photos and videos from specified folder needs to be used. Also options are available to set the theme and and slide show speed for the display of screen saver.

Step 4: After making necessary changes, click the Save button to confirm and save the changes.

Photos as Screen Saver

Windows 8 users can specify Photos from specific folder for Screen Saver instead of Photos Gallery.

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Using the Photos Screen Saver Settings, you can specify the folder containing the pictures and Speed of the Slide Show.

Filed Under: Windows, Windows 8 Tagged With: Personalisation, Photo Gallery, Photos, Screen Saver, Slide Show Speed, Windows 8

‘NSInvalidUnarchiveOperationException’, reason: ‘Could not instantiate class named MKMapView’

February 1, 2013 By Ravi Shankar 2 Comments

Problem :- Xcode project with MapView control displays the error “‘NSInvalidUnarchiveOperationException’, reason: ‘Could not instantiate class named MKMapView'”

Solution :- The ‘Could not instantiate class named MKMapView’ error is displayed when the Xcode project with MapView control on xib does not include the MapKit library as part of the Link Libraries.

Select the Xcode project and navigate to Build Phases.

201302010703.jpg

Click the + sign under Link Binary with Libraries and select MapKit,framework from framework and libraries to add selection window.

201302010704.jpg

201302010705.jpg

Now running the project should not display the NSInvalidUnarchiveOperationException.

201302010709.jpg

Filed Under: Develop, Programming Tagged With: MapKit.framework, MKMapView, Objective C

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