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Solving “The ObjectContext instance has been disposed and can no longer be used for operations that
...our entity and overrides navigation properties to allow lazy-loading. E.g. if you have this entity:
public class MemberLoan
{
public string LoandProviderCode { get; set; }
public virtual Membership Membership { get; set; }
}
Entity Framework will return proxy inherited from this entity and ...
View a list of recent documents in Vim
...bro ol" is an abbreviation of ":browse oldfiles"
– Mr_Chimp
Sep 22 '11 at 16:04
28
To open one of...
Creating range in JavaScript - strange syntax
...appens when you try to access a non-existent property? You get undefined.
Now we can lift our heads a little, and see why functions like arr.map don't walk over these properties. If arr[3] was merely undefined, and the key existed, all these array functions would just go over it like any other valu...
MsDeploy is returning 403 forbidden
...
If you go into IIS,
Click on the server node in the "Connections" list,
Double click "Management Service" then you are taken to a screen which has an "Enable remote connections" check box.
This checkbox (and the rest of the s...
How do I get a background location update every n minutes in my iOS application?
...inate.latitude), @(mostRecentLocation.coordinate.longitude));
NSDate *now = [NSDate date];
NSTimeInterval interval = self.lastTimestamp ? [now timeIntervalSinceDate:self.lastTimestamp] : 0;
if (!self.lastTimestamp || interval >= 5 * 60)
{
self.lastTimestamp = now;
...
Interface type check with Typescript
...ou want without the instanceof keyword as you can write custom type guards now:
interface A{
member:string;
}
function instanceOfA(object: any): object is A {
return 'member' in object;
}
var a:any={member:"foobar"};
if (instanceOfA(a)) {
alert(a.member);
}
Lots of Members
If you ...
How to remove padding around buttons in Android?
...s.
<android.support.design.button.MaterialButton
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:insetTop="0dp"
android:insetBottom="0dp"
android:text="@string/view_video"
android:textColor="@color/white"/>
...
How to fix the datetime2 out-of-range conversion error using DbContext and SetInitializer?
...ime.MinValue (or equivalenly, default(DateTime)) is used to indicate an unknown value.
This simple extension method can help handle such situations:
public static class DbDateHelper
{
/// <summary>
/// Replaces any date before 01.01.1753 with a Nullable of
/// DateTime with a v...
How to parse freeform street/postal address out of text, and into components
..., though each country enforces or defines ownership a little differently. Knowing this is important, since it usually forbids reverse-engineering the address database. You have to be careful how to acquire, store, and use the data.
Google Maps is a common go-to for quick address fixes, but the TOS i...
Role-based access control (RBAC) vs. Claims-based access control (CBAC) in ASP.NET MVC
...Marketing")]
public ActionResult CreateCustomer()
{
return View();
}
Now, you realized that, some of the marketing people must not be able to create Customer, but it is not possible to assign a different role for those people who are in Marketing. So, you are forced to allow all marketing peop...