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The object cannot be deleted because it was not found in the ObjectStateManager
I am getting this error "The object cannot be deleted because it was not found in the ObjectStateManager."
10 Answers
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In what areas might the use of F# be more appropriate than C#? [closed]
...testing and reading/understanding the code. It eradicates a whole class of errors that previous systems were prone to.
Exploratory programming Working with script files and the REPL (F# Interactive) allowed me to explore the solution space more effectively before committing to an implementation tha...
When should I use nil and NULL in Objective-C?
...l null]];
[check addObject:nil];
On the second line, we will not get any error, because it is perfectly fair to insert a NSNull object into a collection type object. On the third line, we will get "object cannot be nil" error. Because nil is not an object.
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How to select unique records by SQL
...work, you can't select * after the distinct like that (you will get a 1064 error - Error in your SQL syntax)
– tim.baker
May 31 '17 at 8:47
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Include constant in string without concatenating
... an array that returns true when passed to is_callable would cause a fatal error when used inside a string:
class Arr
{
public static function get( $array, $key, $default = null )
{
return is_array( $array ) && array_key_exists( $key, $array )
? $array[$key]
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LLVM C++ IDE for Windows
...r, since it still uses a separate parser for C++, it doesn't catch as many errors as the compiler does.
Netbeans for java is integrated in with the compiler, so it gives errors and warnings as you type, as well as syntactically correct code completion. So, netbeans will very likely in the future in...
Jar Mismatch Found 2 versions of android-support-v4.jar in the dependency list
...created a new Android project and am trying to use the Library but get the error below:
14 Answers
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Source unreachable when using the NuGet Package Manager Console
... was trying to install an older version of jQuery, but it kept raising the error: "The source at nuget.org [nuget.org/api/v2/]". I don't know how to fix it though.
– Loudenvier
Jul 1 '15 at 17:17
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Are there disadvantages to using a generic varchar(255) for all text-based fields?
... strings from entering the RDBMS and causing buffer overruns or exceptions/errors later when retrieving and parsing values from the database that are longer (more bytes) than expected.
For example, if you have a field that accepts two-character strings for country abbreviations then you have no con...
Using ViewPagerIndicator library with Android Studio and Gradle
...dded the said dependency but it fails to resolve it on gradle build. Exact error: Failed to resolve: fr.avianey.com.viewpagerindicator:library:2.4.1 Any reason why?
– rockydgeekgod
Jun 7 '15 at 21:25
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