Why to prefer Windows.Storage over Isolated Storage in Windows Phone 8 apps: Thread safety.
Debugging Windows Phone apps and error “A specified communication resource (port) is already in use by another application.”
You can easily pass data between pages in a Windows Phone app with the help of Application.Resources.
How to fix Windows Phone Error “3100 An error has occurred”.
Windows Phone 7 has a anonymous user ID property called ANID. Windows Phone 8 replaced that with ANID2. This post shows how you can convert ANID to ANID2 in C#, using your publisher ID.
The post details an in-app purchase implementation for Windows Phone 7, using PayPal as the payment mechanism.
When using page transitions in a Windows Phone app, you may notice some flashing when navigating from a page to page. Here”s a way to fix it.
The regional settings continue to misbehave in Windows 8.1 apps written with XAML.