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Overloaded method selection based on the parameter's real type
...e. More
generally, to force the compiler to select a specific overloading, cast actual parameters to the declared types of the formal parameters.
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java: HashMap not working
...s aren't retained at runtime. They are just "syntactic sugar" for explicit casting to save you doing this:
Integer i = (Integer)myMap.get("foo");
To give you an example, this code is perfectly legal:
Map<String, Integer> myMap = new HashMap<String, Integer>();
Map<Integer, String&...
How to pass a single object[] to a params object[]
...
A simple typecast will ensure the compiler knows what you mean in this case.
Foo((object)new object[]{ (object)"1", (object)"2" }));
As an array is a subtype of object, this all works out. Bit of an odd solution though, I'll agree.
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Check whether a value is a number in JavaScript or jQuery [duplicate]
...this is probably what you need.
isFinite(val)
Returns true if val, when cast to a String, is a number and it is not equal to +/- Infinity
/^\d+$/.test(val)
Returns true if val, when cast to a String, has only digits (probably not what you need).
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Using isKindOfClass with Swift
...nted out in @Kevin's answer, the correct way would be to use optional type cast operator as?. You can read more about it on the section Optional Chaining sub section Downcasting.
Edit 2
As pointed on the other answer by user @KPM, using the is operator is the right way to do it.
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Type definition in object literal in TypeScript
... The DRY (Don't Repeat Yourself) option by @Rick Love with the cast operator seems mucho neater. Just commenting, not downvoting...
– spechter
Nov 17 '17 at 0:43
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Concatenate multiple result rows of one column into one, group by another column [duplicate]
...ase.
string_agg() expects data type text as input. Other types need to be cast explicitly (actor::text) - unless an implicit cast to text is defined - which is the case for all other character types (varchar, character, "char"), and some other types.
As isapir commented, you can add an ORDER BY c...
How do I make the return type of a method generic?
...e]);
}
Option 2: When you don't want to use fancy methods of conversion - Cast the value to object and then to generic type.
public static T ConfigSetting<T>(string settingName)
{
return (T)(object)ConfigurationManager.AppSettings[settingName];
}
Note - This will throw an error if t...
Change default primary key in Eloquent
...d to make sure you set public $incrementing = false otherwise laravel will cast the field to an Integer, giving 0
class User extends Model {
protected $primaryKey = 'my_string_key';
public $incrementing = false;
}
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RESTful Authentication via Spring
...(user/pass combo) with each request is not desirable. Per REST guidelines (and internal business requirements), the server must remain stateless. The API will be consumed by another server in a mashup-style approach.
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