How to declare a Fixed length Array in TypeScript

At the risk of demonstrating my lack of knowledge surrounding TypeScript types – I have the following question. When you make a type declaration for an array like this… position: Array<number>; …it will let you make an array with arbitrary length. However, if you want an array containing numbers with a specific length i.e. 3 … Read more

In Objective-C, what is the equivalent of Java’s “instanceof” keyword?

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 A related question is finding whether the runtime type of an object is equal to a another type. In Java, I can write: someObject.getClass().equals(SpecifiedType.class) How can … Read more

C# string reference type?

I know that “string” in C# is a reference type. This is on MSDN. However, this code doesn’t work as it should then: class Test { public static void Main() { string test = “before passing”; Console.WriteLine(test); TestI(test); Console.WriteLine(test); } public static void TestI(string test) { test = “after passing”; } } The output should … Read more

Where in memory are my variables stored in C?

By considering that the memory is divided into four segments: data, heap, stack, and code, where do global variables, static variables, constant data types, local variables (defined and declared in functions), variables (in main function), pointers, and dynamically allocated space (using malloc and calloc) get stored in memory? I think they would be allocated as … Read more