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How do I stop Entity Framework from trying to save/insert child objects?
...nything. It will also not delete anything from your database.
Option 2)
Set the child objects as detached from the context using the following code
context.Entry(yourObject).State = EntityState.Detached
Note that you can not detach a List/Collection. You will have to loop over your list and ...
Converting a Uniform Distribution to a Normal Distribution
... the polar form of the Box-Muller transformation.
/*
* Returns member of set with a given mean and standard deviation
* mean: mean
* standard deviation: std_dev
*/
function createMemberInNormalDistribution(mean,std_dev){
return mean + (gaussRandom()*std_dev);
}
/*
* Returns random number...
TypeLoadException says 'no implementation', but it is implemented
...In this case, DummyItem implements an interface from another assembly. The SetShort method was recently added to both the interface and the DummyItem - but the assembly containing DummyItem was rebuilt referencing the previous version of the interface assembly. So the SetShort method is effectively ...
How do I change an HTML selected option using JavaScript?
...
Also you can get value through select options without setting the class like var id = document.getElementById('personlist').value. I used in different answer, thanks anyway!
– Alper
Feb 6 '19 at 8:52
...
Passing Objects By Reference or Value in C#
...
}
//Class to test
public class Person{
public string FirstName {get; set;}
public string LastName {get; set;}
public string printName(){
return $"First name: {FirstName} Last name:{LastName}";
}
}
public static void WontUpdate(Person p)
{
//New instance does jack...
...
What is the difference between gravity and layout_gravity in Android?
I know we can set the following values to the android:gravity and android:layout_gravity properties:
20 Answers
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Isn't “package private” member access synonymous with the default (no-modifier) access?
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor
How to get the client IP address in PHP [duplicate]
...owever, they can be behind a proxy server in which case the proxy may have set the $_SERVER['HTTP_X_FORWARDED_FOR'], but this value is easily spoofed. For example, it can be set by someone without a proxy, or the IP can be an internal IP from the LAN behind the proxy.
This means that if you are goi...
How to have stored properties in Swift, the same way I had on Objective-C?
...dObject(index, Unmanaged.passUnretained(self).toOpaque()) as! T? }
set { objc_setAssociatedObject(index, Unmanaged.passUnretained(self).toOpaque(), newValue, policy) }
}
}
Provided that you can "add" a property to objective-c class in a more readable manner:
extension SomeType {
...
Why does std::getline() skip input after a formatted extraction?
...presents the boundary between sequences of input. This particular overload sets the delimiter to the newline character input.widen('\n') by default since one was not supplied.
Now, these are a few of the conditions whereby std::getline() terminates input:
If the stream has extracted the maximum amo...