Mutability

Part I: Learn the concept of mutability and immutability before diving into OnPush ChangeDetection. — The first concept I think every beginner must know before diving into OnPush ChangeDetection would be mutability and immutability. To understand why these concepts are important prior to understanding how OnPush works in Angular, let me give you a brief idea about OnPush vs Default Change Detection Strategy.

This is the third class of our javascript series. If you have not read the previous blogs kindly check them out first. In this class, we are going to take a closure look at what we had studied in our previous classes and the main motive of this blog is…

The basics of Python Objects In Python, “everything is an object”. We’ve probably heard that a couple of times. What does this mean? What even is an object? In short, an object is “an instance of a class”; objects contain data (usually called attributes) and functions that apply to them specifically and not to objects…

Understanding the Differences and When to Use Each In Java, the String class is implemented as an object that has an internal char array. As arrays are immutable, meaning they cannot be expanded or changed, Strings are also immutable. …

If you know something about Python, is that everything is an object, and must important, is that they can be either mutable or immutable. Python is a great programming language, and when you embark on learning more about how everything works in it, it amaze you. ID definition Since everything…

Ruby assigns almost always variables by reference. The exceptions are: Immediate values are not passed by reference but are passed by value: nil, true, false, Fixnums, Symbols, and some Floats. What does mean assign by reference? When you assign one variable to another both are pointing to the same object in memory. Let’s go to demonstrate…

In this article I’ll try and attempt to explain what’s the deal with memory reference in Javascript through an example exercise, which I think can better demonstrate how it’s understanding can be really helpful in our day to day. I’ve taken this exercise from CodeSignal, and its solution, while not…

Variable reference and mutability of Ruby Objects can be quite difficult concepts to understand. While working with students in study sessions in Launch School, I have seen many of them having the same “holes” in their understanding of these topics. The problem below should test your knowledge of these concepts…

Web3 is a complex and ever-changing world, with frequent new additions to space and how they interact with one another. However, some aspects are here to stay for the long run because of how impactful and influential they have become. …