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EF Code First “Invalid column name 'Discriminator'” but no inheritance
...as an attribute of the derived class.
Example:
class Person
{
public string Name { get; set; }
}
[NotMapped]
class PersonViewModel : Person
{
public bool UpdateProfile { get; set; }
}
Now, even if you map the Person class to the Person table on the database, a "Discriminator" column wil...
Javascript Shorthand for getElementById
...
To save an extra character you could pollute the String prototype like this:
pollutePrototype(String, '绎', {
configurable: false, // others must fail
get: function() {
return document.getElementById(this);
},
set: function(element) {
eleme...
How to fix: android.app.RemoteServiceException: Bad notification posted from package *: Couldn't cre
...ant to reference R.drawable.my_image, it's safer to save it to bundle as a string( bundle.putString("img", "my_image")and then convert when needed to actual @DrawableRes integer as follows: ctx.resources.getIdentifier(bundle.getString("img"), "drawable", ctx.packageName)
– vano...
jQuery scroll to element
... individual element 100 pixels down
Options:
scrollTarget: A element, string, or number which indicates desired scroll position.
offsetTop: A number that defines additional spacing above scroll target.
duration: A string or number determining how long the animation will run.
easing: A string...
What HTTP status response code should I use if the request is missing a required parameter?
...med xml is an example of bad syntax (calling for a 400). A malformed query string seems analogous to this, so 400 doesn't seem appropriate for a well-formed query-string which is missing a param.
UPDATE @DavidV correctly points out that this spec is for WebDAV, not core HTTP. But some popular non-W...
How to create a drop shadow only on one side of an element?
..."></div>
UPDATE 3
All my previous answers have been using extra markup to get create this effect, which is not necessarily needed. I think this a much cleaner solution... the only trick is playing around with the values to get the right positioning of the shadow as well as the right...
Understand the “Decorator Pattern” with a real world example
...ita();
Console.WriteLine("Plain Margherita: " + pizza.GetPrice().ToString());
ExtraCheeseTopping moreCheese = new ExtraCheeseTopping(pizza);
ExtraCheeseTopping someMoreCheese = new ExtraCheeseTopping(moreCheese);
Console.WriteLine("Plain Margherita with double extra ...
How do I return clean JSON from a WCF Service?
...erson>.
Eliminate the code that you use to serialize the List to a json string - WCF does this for you automatically.
Using your definition for the Person class, this code works for me:
public List<Person> GetPlayers()
{
List<Person> players = new List<Person>();
pla...
String.format() to format double in java
How can I use String.format(format String,X) to format a double like follows???
7 Answers
...
Making a property deserialize but not serialize with json.net
...{ get; set; }
}
enum Fizz { Alpha, Beta, Gamma }
class Bang
{
public string Value { get; set; }
}
And you want to do this:
string json = @"{ ""ObsoleteSetting"" : ""Gamma"" }";
// deserialize
Config config = JsonConvert.DeserializeObject<Config>(json);
// migrate
config.ReplacementS...