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How to parse JSON in Scala using standard Scala classes?
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This is a solution based on extractors which will do the class cast:
class CC[T] { def unapply(a:Any):Option[T] = Some(a.asInstanceOf[T]) }
object M extends CC[Map[String, Any]]
object L extends CC[List[Any]]
object S extends CC[String]
object D extends CC[Double]
object B extends CC[B...
Returning anonymous type in C#
... article:
using System;
static class GrottyHacks
{
internal static T Cast<T>(object target, T example)
{
return (T) target;
}
}
class CheesecakeFactory
{
static object CreateCheesecake()
{
return new { Fruit="Strawberry", Topping="Chocolate" };
}
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Why covariance and contravariance do not support value type
... collection of three elements, each being a reference to a string. You can cast this to a collection of objects:
IEnumerable<object> objects = (IEnumerable<object>) strings;
Basically it is the same representation except now the references are object references:
[0] : object referen...
Convert stdClass object to array in PHP
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i know its too late , but why you not use type casting ... (array) $obj
– chhameed
Aug 30 '16 at 7:55
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Increment value in mysql update query
...ot going offtopic on my first post, but I'd like to expand a little on the casting of integer to string as some respondents appear to have it wrong.
Because the expression in this query uses an arithmetic operator (the plus symbol +), MySQL will convert any strings in the expression to numbers.
T...
How do we count rows using older versions of Hibernate (~2009)?
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For me this gave "java.lang.ClassCastException: java.lang.Long cannot be cast to java.lang.Integer" but casting to a Long instead works...
– rogerdpack
Sep 17 '13 at 20:17
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How to properly match varargs in Mockito
...ith any var arg types (e.g. String ..., Integer ..., etc.), do an explicit casting. For example, if you have doSomething(Integer number, String ... args) you can do the mock/stub code with something like when(mock).doSomething(eq(1), (String) anyVarargs()). That should take care of the compilation e...
What is the meaning of id?
...o retain and release.
The compiler is totally happy for you to implicitly cast any object to id, and for you to cast id to any object. This is unlike any other implicit casting in Objective-C, and is the basis for most container types in Cocoa.
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Call removeView() on the child's parent first
...ollChildLayout);
Use the child element to get a reference to the parent. Cast the parent to a ViewGroup so that you get access to the removeView method and use that.
Thanks to @Dongshengcn for the solution
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Convert INT to VARCHAR SQL
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You can use CAST function:
SELECT CAST(your_column_name AS varchar(10)) FROM your_table_name
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