Data Type - Reference Type

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A reference type is a lightweighted pointer where there’s not much that can be done with them except pass them around.

When a reference is passed to a function, the function receives a copy of the reference, so any changes the called function makes to the underlying data structure will be visible through the function caller too.

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Data Type - Pointer (Locator)

A pointer is the address location at which a value is stored. The pointer is a value that refers directly to (or “points to”) another value stored elsewhere in the computer memory using its address....
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Go - Reference Type

Reference type in go , , , ,
Java Conceptuel Diagram
Java - Reference Data Type

Reference types in Java. Reference types all inherit from Object (the java.lang.Object class) Classes, enums, arrays, and interfaces Examples of reference types include: java.lang.String,...
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Javascript - This

this is a variable that has a reference value to the scope (namespace) this printThisobjthisobj Generally, this is the local scope but it may be changed. You can set this : in the call of a function...
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Php - Variable

This page gather information variable management in PHP. The _ underscore is just a cosmetic syntax to set the public/private/protected properties. E.g. private = array() or public = array()...
What is a React Ref?

A ref is a state object that holds a value in its current property for the entire lifetime of the component. It's used to hold information that isn’t used for rendering. Unlike with state, updating...

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