I would like to check whether an object (e.g. someObject) is assignable (cast-able) to a variable of another type (e.g. SpecifiedType). In Java, I can write: someObject instanceof SpecifiedType...
I have a small table and a certain field contains the type “character varying“. I’m trying to change it to “Integer” but it gives an error that casting is...
I want to be better about knowing when I should cast. What are the implicit type conversion rules in C++ when adding, multiplying, etc. For example, int + float...
Upcasting is allowed in Java, however downcasting gives a compile error. The compile error can be removed by adding a cast but would anyway break at the runtime. In...
I am trying to convert my string formatted value to date type with format dd/MM/yyyy. this.Text="22/11/2009"; DateTime date = DateTime.Parse(this.Text); What is the problem ? It has a second...
I want to convert a Float to an Int in Swift. Basic casting like this does not work because these types are not primitives, unlike floats and ints in...
I know you can convert a String to an number with read: Prelude> read "3" :: Int 3 Prelude> read "3" :: Double 3.0 But how do you grab...
Which is the the best way (if there is one) to cast from number to string in Typescript? var page_number:number = 3; window.location.hash = page_number; In this case the...
I keep finding both on here and Google people having troubles going from long to int and not the other way around. Yet I’m sure I’m not the only...
How can I cast an Object to an int in java? 19 Answers 19