ASP.NET MVC - Attaching an entity of type 'MODELNAME' failed because another entity of the

ASP.NET MVC - Attaching an entity of type 'MODELNAME' failed because another entity of the

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.Pl

Duplicate ID, tag null, or parent id with another fragment for com.google.android.gms.maps.MapFragme

Duplicate ID, tag null, or parent id with another fragment for com.google.android.gms.maps.MapFragme

I have an application with three tabs.Each tab has its own layout .xml file. The main.xml has its own map fragment. It's the one that shows up when the application first launches.Everything works fine except for when I change between tabs.

How to split a string, but also keep the delimiters?

How to split a string, but also keep the delimiters?

I have a multiline string which is delimited by a set of different delimiters:(Text1)(DelimiterA)(Text2)(DelimiterC)(Text3)(DelimiterB)(Text4)I can split this string into its parts, using String.split, but it seems that I can't get the actu

Why is using a wild card with a Java import statement bad?

Why is using a wild card with a Java import statement bad?

It is much more convenient and cleaner to use a single statement likeimport java.awt.*;than to import a bunch of individual classesimport java.awt.Panel;import java.awt.Graphics;import java.awt.Canvas;...What is wrong with using a wildcard

Simple way to transpose columns and rows in Sql?

Simple way to transpose columns and rows in Sql?

How do I simply switch columns with rows in SQL?Is there any simple command to transpose?ie turn this result: Paul | John | Tim | EricRed 1 5 1 3Green 8 4 3 5Blue 2 2 9

Exception Breakpoint in Xcode

Exception Breakpoint in Xcode

How to add Exception Breakpoint in Xcode?int main(int argc, char *argv[]) { NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init]; int retVal = UIApplicationMain(argc, argv, nil, @"AppController"); [pool release]; return r

Regex Pattern to Match, Excluding when… / Except between

Regex Pattern to Match, Excluding when… / Except between

--Edit-- The current answers have some useful ideas but I want something more complete that I can 100% understand and reuse; that's why I set a bounty. Also ideas that work everywhere are better for me than not standard syntax like \KThis q

What is the best algorithm for an overridden System.Object.GetHashCode?

What is the best algorithm for an overridden System.Object.GetHashCode?

In .NET System.Object.GetHashCode method is used in a lot of places, throughout the .NET base class libraries. Especially when finding items in a collection fast or to determine equality. Is there a standard algorithm/ best practice on how

Javascript infamous Loop issue? [duplicate]

Javascript infamous Loop issue? [duplicate]

This question already has an answer here: JavaScript closure inside loops – simple practical example 35 answers I've got the following code snippet. fu

Syntax error due to using a reserved word as a table or column name in MySQL

Syntax error due to using a reserved word as a table or column name in MySQL

I'm trying to execute a simple MySQL query as below:INSERT INTO user_details (username, location, key)VALUES ('Tim', 'Florida', 42)But I'm getting the following error: You have an error in your SQL syntax; check the manual that corresponds

Configuration `locale` variable is deprecated - Android

Configuration `locale` variable is deprecated - Android

I use this code to set the default language manually in multiple languages app:public static void setLanguage(Context context, String languageCode){ Locale locale = new Locale(languageCode); Locale.setDefault(locale); Configuration

Visual Studio Go to Definition (F12) opens Object Browser instead of Code View

Visual Studio Go to Definition (F12) opens Object Browser instead of Code View

I'm running VS2005, and when I right click on an object and select Go to Definition it brings me to the object browser instead of the actual code.Is there some settings that I can change to fix this? Note: it works properly for C# solution

What changed in the driver signature requirements for Windows 8?

What changed in the driver signature requirements for Windows 8?

I've got a passthrough NDIS intermediate driver, consisting of two .inf files (one standard and one miniport) and a .sys file. Because of the Windows7 driver signing requirements, I had to get a code-signing certificate and sign the .sys fi

Is there any available API to represent various units of item like KG, Litre, Metre, KM, etc

Is there any available API to represent various units of item like KG, Litre, Metre, KM, etc

In my project, somewhere I have to work with a unitOfIssue of Items. Now, various items of course can have different units of representation. So, I was searching for some API or some way, to elegantly handle this situation.Is there any avai

Custom html helpers in MVC 4

Custom html helpers in MVC 4

I created the helper classnamespace SEM.API.Helpers{ public static class Navigation { public static string BuildSomething(this HtmlHelper helper) { return "empty"; } }}And added the namespace to webc

Media Queries: check min-height and min-width?

Media Queries: check min-height and min-width?

I am trying to change CSS on my page based on the min-height and min-width of the browser, so I am using this:@media (min-height: 500px), (min-width: 580px) { /* CSS stuff */}But for some reason, this doesn't work. I can check for min-he

HTML: Making a link lead to the anchor centered in the middle of the page

HTML: Making a link lead to the anchor centered in the middle of the page

I have a link to an anchor on my html page. When the link is clicked it causes the page to scroll to the anchor so that the anchor is at the very top of the visible part of the page. How can I make the page scroll so that the anchor will be

data.table - does setkey(…) create an index or physically reorder the rows in a data table?

data.table - does setkey(…) create an index or physically reorder the rows in a data table?

This (very basic) question is the result of an exchange here. The documentation for setkey() states: setkey() sorts a data.table and marks it as sorted. The sorted columns are the key. The key can be any columns in any order. The columns

Alternative to setAlpha in api level 8

Alternative to setAlpha in api level 8

I am working on an app, which can run on Froyo as well as JellyBean. I have a class that extends PageTransformer as below:import android.support.v4.view.ViewPager.PageTransformer;import android.view.View;public class ZoomOutPageTransformer

Unknown module(s) in QT: svg

Unknown module(s) in QT: svg

Added QT += svg and I tried just QT += svg and greaterThan(QT_MAJOR_VERSION, 4): QT += svg to the .pro solution file and ran qmake from inside the QtCreator and got this error: error: Unknown module(s) in QT: svgAny ideas? 1:You are lac

How to add string objects to NSMutableArray

How to add string objects to NSMutableArray

I have an NSMutableArray named randomSelection:NSMutableArray *randomSelection;I am then trying to add strings to this array if certain criteria are met:[randomSelection addObject:@"string1"];I am then trying to output the string, to determ

How do I perform a case-sensitive search using LIKE?

How do I perform a case-sensitive search using LIKE?

I'm trying to find records that contain a string of 6 or more alpha-numeric characters in uppercase. Some examples:PENDING 3RDPARTY CODE27I'm using the following statement:SELECT DetailsFROM MyTableWHERE Details LIKE '%[0-9A-Z][0-9A-Z][0

Can I use a Windows .Net app with Docker?

Can I use a Windows .Net app with Docker?

I'm a little confused by all the chat about Docker, and how it fits into the virtualisation world. So here's a straight question: can I package up a .Net application (that normally runs on Windows 7 etc) to run in a Docker container, and th

“Input line is too long” error in BAT File

“Input line is too long” error in BAT File

I am having a problem executing a bat file. After some time running I get the "input line is too long" error.The structure of the bat file is simple. There is a main bat file that calls 10 other bat files that are responsible for updating d

Client Side Validations and Rails4

Client Side Validations and Rails4

I integrated client side validations with rails4 using the new branches available using the following gemsgem 'simple_form', '~> 3.0.0.rc'gem 'client_side_validations', github: "bcardarella/client_side_validations", :branch => "4-0-beta"gem