While playing with some examples of Windows 8 Apps, I wanted to test some code that would take a picture from my webcam. I was aware that this use of resources needs to be present in application manifest and eventually, I will see the request to allow the use of the device.However, I encounter this message, that there are no sufficient permissions for ......

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The article: New Data Sheds Light on Shifting Cybercriminal Tactics on Microsoft Security Blog has some useful advice for the users who are preoccupied to increase their security on the internet. While it is useful to read the entire article to get an understanding of how these attacks are happening, I will repeat here their advice: ......

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If you are using the XtraGrid control from DevExpress, you might bump into the 'Red Cross' issue. As one can see on their support website, this problem it is often encountered. Basically, it has to do with making updates for grid data sources, on another thread other than the UI thread. Most of the solutions and examples that are suggested as a response ......

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The DevExpress controls library contains a nice popup container control that can be attached to other UI items. The popup container will show up when the user clicks on UI parent and it will automatically close if the user is focusing on another control. However, there might be situations is necessary to show the same popup container when the user clicks ......

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Although GC is doing most of the job in reclaiming the memory from unneeded objects in .NET, there are still situations when this is not happening. Event handlers that are not properly disposed keep a strong reference to the objects and by this prevent the GC to free the memory. I've seen recently that WinDbg can be very handy in investigating such ......

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Here is a nice solution for dynamically composing expression predicates: 

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http://www.linqpad.net/WhyLINQBeatsSQL.aspx

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Here are some links that can help you start working with POCO entities in EF 4.0: ADO.NET Team blog: - Working with POCO objects: http://blogs.msdn.com/adone... - Proxy objects for POCO entities: http://blogs.msdn.com/adone... MSDN Library: ......

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