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ASP.NET MVC - Attaching an entity of type 'MODELNAME' failed because another entity of the same type
In a nutshell the exception is thrown during POSTing wrapper model and changing the state of one entry to 'Modified'. Before changing the state, the state is set to 'Detached' but calling Attach() does throw the same error. I'm using EF6.
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custom listview adapter getView method being called multiple times, and in no coherent order
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The behavior between 2.3 and 4.x era ListView has changed significantly. The take away is, as ListView is designed, your cells/list_items need to be pure views and they need to be optimized for drawing quickly. According to the Google I/O talk on Lis...
Trigger 404 in Spring-MVC controller?
...er
public class SomeController {
@RequestMapping.....
public void handleCall() {
if (isFound()) {
// whatever
}
else {
throw new ResourceNotFoundException();
}
}
}
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The name 'model' does not exist in current context in MVC3
...;host> line.
Well, I found myself experiencing the same thing you did, and after a bit further research, I found out what the problem is!
You need to include the default MVC3 web.config for the Views folder. MVC3 has two: one in the root for your application, and one for the views folder. Thi...
UITableView didSelectRowAtIndexPath: not being called on first tap
...issue:
first tap in row -> no effect, no selection, never
second tap and following -> correct selection behavior, always
In my case, my error was checking Show Selection on Touch in Interface Builder. You can uncheck it in IB here:
Hope that helps someone
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android.content.res.Resources$NotFoundException: String resource ID #0x0
I'm developing an Android app which reads data from MySQL database and I faced this error. I have this XML layout:
7 Answer...
Java: Get first item from a collection
... That does the same thing, it just checks if it is a list first, and gets by index if it is. It also has some code to try to fail faster on an actual Collection (that is if the index is too large it tries to figure that out without iterating through the whole thing and throwing the excepti...
Unable to copy file - access to the path is denied
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I solved this problem by deleting the contentious files from bin folder and rebuilding the project.
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HTML entity for the middle dot
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On a side note, the standard list-style: disc (and text-security: disc used for password fields), seems to be the Bullet • •.
– Shaun Cockerill
Sep 5 '18 at 3:31
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Lists: Count vs Count() [duplicate]
... Internally though, LINQ checks if your IEnumerable implements ICollection and if it does it uses the Count property. So at the end of the day, there's no difference which one you use for a List.
To prove my point further, here's the code from Reflector for Enumerable.Count()
public static int Cou...