Linq select many from list and keep id
This example applies to if you want to select the id from class A and all flatten list elements from “ListB”: public class A { int Id {get; set;} List ListB {get; set;} } var _listItems = (from x in…
Local IIS failed to map the path ‘/’
Got an exception of System.InvalidOperationException: “Failed to map the path ‘/’” when starting the site on a local IIS. System.Web.HttpRuntime.HostingInit(HostingEnvironmentFlags hostingFlags, PolicyLevel policyLevel, Exception appDomainCreationException) +556 [HttpException (0x80004005): Det gick inte att mappa sökvägen /.] System.Web.HttpRuntime.FirstRequestInit(HttpContext context) +579 System.Web.HttpRuntime.EnsureFirstRequestInit(HttpContext context)…
Windows shortcut show desktop
In order to create a shortcut that shows the desktop you can create a shortcut in the quick launch section. Here is how: 1. Open the quick launch folder. 2. Create a new text file. 3. Copy and paste the…
File not found & dexDebug failed
Had some problem to build a Cordova app in VS. Tried updating java, Android SDK etc..but still same problem (java.lang file not found and dexDebug failed). Finally I found out that you can’t have a Cordova project inside a path…
Virtual event – Connect 2015
Interesting upcoming virtual event “Connect 2015” @ nov 18’th by Microsoft. Microsoft Connect 2015 Look most forward for the subject at day 2 “Building apps with .NET – ASP.NET & .NET Core”.
Call stored procedure via DBContext
Tried to call a SP via Entity framework (DBContext) but got a exception that parameter is not supplied. My call looked like: context.Database.ExecuteSqlCommand(“NameOfSP”, new SqlParameter(“@param1”, 1), new SqlParameter(“@param2”, DateTime.Now), new SqlParameter(“@param3”, “test”)); The right call should look like: context.Database.ExecuteSqlCommand(“NameOfSP @p1,…
Font in Windows 10 (Chrome)
I’ve upgraded to Windows 10 for about a month ago. After the update the Arial font seems really strange in some Windows forms and browsers. I.e in Chrome it looks like this: This problem isn’t existing in Firefox so…
Background image opacity with hover CSS
Create a menu option with background image with only css. On hover change opacity for the background image. Without affecting the text color. .mainMenu .option { width: 374px; height: 248px; display: inline-block; border: 1px solid #d0d0d0; vertical-align: top; margin: 2px…
Android SDK Manager on update access denied
Got message access denied when trying to get new updates in Android SDK Manager. Solution was to navigate to the android-sdk folder (default on my computer was C:\Program Files\Android\android-sdk) right click on “SDK Manager.exe” and choose Run as Administrator and…
Can’t receive phone calls (Samsung Galaxy S6)
A friend has tried to call me couple of times but has come to the voice mail every time. SMS didn’t work either. Called the operator but no luck there. Has also tried to restart the phone a couple of…
Html changes are not updating
Did a silly mistake when I updated a MVC website the other day. I did some css and html changes but that didn’t seem to be updated when I hit F5 in the browser. It only become updated when I…
..because it has no known mapping to the value layer.
Unable to process the type ‘ClassName[]’, because it has no known mapping to the value layer. Problem shows when trying to assign a null value to a IEnumerable<> , like: var test = context.Where(x => x == 1) .Select(x =>…